{"id":13048,"date":"2026-08-07T21:15:09","date_gmt":"2026-08-07T18:15:09","guid":{"rendered":"https:\/\/gtmteknoloji.com\/b2b\/sivi-sogutma-cozumleri\/"},"modified":"2026-08-07T21:25:41","modified_gmt":"2026-08-07T18:25:41","slug":"sivi-sogutma-cozumleri","status":"publish","type":"page","link":"https:\/\/gtmteknoloji.com\/b2b\/sivi-sogutma-cozumleri\/","title":{"rendered":"S\u0131v\u0131 So\u011futma \u00c7\u00f6z\u00fcmleri"},"content":{"rendered":"
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\u00c7\u00f6z\u00fcm \u00b7 Veri Merkezi Termal Y\u00f6netimi<\/div>\n

Hava so\u011futma duvara toslad\u0131<\/em>. S\u0131v\u0131 so\u011futma nas\u0131l kurulur?<\/h1>\n

Tek bir GPU art\u0131k 1.400 W \u00e7ekiyor, tek bir raf 120 kW’a \u00e7\u0131k\u0131yor. Bu noktada so\u011futma bir konfor tercihi de\u011fil, projenin fizik s\u0131n\u0131r\u0131. Bu sayfada s\u0131v\u0131 so\u011futma teknolojilerini yan yana koyuyor, \u00e7evrimin nas\u0131l kuruldu\u011funu \u015femayla anlat\u0131yor, ekonomiyi a\u00e7\u0131k form\u00fclle hesapl\u0131yor ve marka ba\u011f\u0131ms\u0131z ekonomik ba\u015flang\u0131\u00e7 yollar\u0131n\u0131 s\u0131ral\u0131yoruz.<\/p>\n

Projenizi konu\u015fal\u0131m<\/a> S\u0131v\u0131 so\u011futmal\u0131 sunucular<\/a> <\/div>\n<\/p><\/div>\n<\/header>\n
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%40<\/b>Veri merkezi geneli g\u00fc\u00e7 tasarrufu*<\/span><\/div>\n
%98<\/b>Sistem \u0131s\u0131s\u0131n\u0131n yakalanma oran\u0131*<\/span><\/div>\n
250 kW<\/b>Raf i\u00e7i CDU so\u011futma kapasitesi*<\/span><\/div>\n
~50 dB<\/b>K\u00fct\u00fcphane sessizli\u011finde veri merkezi*<\/span><\/div>\n
3.500\u00d7<\/b>Suyun havaya g\u00f6re hacimsel \u0131s\u0131 kapasitesi<\/span><\/div>\n<\/p><\/div>\n
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Neden \u015fimdi? \u00c7\u00fcnk\u00fc TDP e\u011frisi k\u0131r\u0131ld\u0131<\/h2>\n

Sorun yava\u015f yava\u015f gelmedi; birka\u00e7 \u00fcr\u00fcn neslinde katland\u0131. Hava so\u011futman\u0131n pratik tavan\u0131, iyi koridor ayr\u0131m\u0131 ve y\u00fcksek statik bas\u0131n\u00e7l\u0131 fanlarla bile raf ba\u015f\u0131na yakla\u015f\u0131k 40-50 kW<\/strong> civar\u0131ndad\u0131r. A\u015fa\u011f\u0131daki t\u0131rman\u0131\u015fa bak\u0131nca s\u0131n\u0131r\u0131n nerede a\u015f\u0131ld\u0131\u011f\u0131 a\u00e7\u0131k\u00e7a g\u00f6r\u00fcl\u00fcyor.<\/p>\n

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400W<\/b>NVIDIA A100 SXM<\/span>2020 \u2014 hava so\u011futma rahat<\/i><\/div>\n
700W<\/b>NVIDIA H100 SXM<\/span>2022 \u2014 hava so\u011futma zorlan\u0131yor<\/i><\/div>\n
1.000W<\/b>NVIDIA B200 SXM<\/span>2024 \u2014 pratikte s\u0131v\u0131<\/i><\/div>\n
1.400W<\/b>NVIDIA B300<\/span>2025 \u2014 s\u0131v\u0131 zorunlu<\/i><\/div>\n
~120 kW<\/b>GB200 NVL72 (raf)<\/span>Tek rafta bir kasaba<\/i><\/div>\n<\/div>\n

Fan\u0131n gizli maliyeti<\/h3>\n

Fan g\u00fc\u00e7 t\u00fcketimi devir say\u0131s\u0131n\u0131n k\u00fcp\u00fcyle<\/strong> artar \u2014 havay\u0131 iki kat h\u0131zl\u0131 \u00fcflemek yakla\u015f\u0131k sekiz kat g\u00fc\u00e7 ister. Y\u00fcksek yo\u011funluklu hava so\u011futmal\u0131 bir sunucuda fanlar BT y\u00fck\u00fcn\u00fcn %10-15’ini yiyebilir. Yani raf\u0131 so\u011futmak i\u00e7in harcad\u0131\u011f\u0131n\u0131z elektrik, so\u011futman\u0131z gereken \u0131s\u0131y\u0131 da b\u00fcy\u00fct\u00fcr. S\u0131v\u0131 so\u011futma bu d\u00f6ng\u00fcy\u00fc k\u0131rar: \u0131s\u0131, \u00fcretildi\u011fi y\u00fczeyden do\u011frudan al\u0131n\u0131r.<\/p>\n

Fiziksel gerek\u00e7e basit: su, birim hacim ba\u015f\u0131na havan\u0131n yakla\u015f\u0131k 3.500 kat\u0131<\/strong> \u0131s\u0131 ta\u015f\u0131r. Ayn\u0131 \u0131s\u0131y\u0131 ta\u015f\u0131mak i\u00e7in gereken hacim d\u00fc\u015ft\u00fck\u00e7e, onu hareket ettirmek i\u00e7in gereken enerji de d\u00fc\u015fer.<\/p>\n<\/p><\/div>\n<\/section>\n

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Teknoloji se\u00e7enekleri: hangisi sizin i\u00e7in?<\/h2>\n

“S\u0131v\u0131 so\u011futma” tek bir \u015fey de\u011fil. A\u015fa\u011f\u0131daki be\u015f yakla\u015f\u0131m farkl\u0131 yo\u011funluk, b\u00fct\u00e7e ve risk profillerine hitap eder. Tablo marka ba\u011f\u0131ms\u0131zd\u0131r; de\u011ferler sekt\u00f6rde yayg\u0131n \u00fcr\u00fcnlerin tipik aral\u0131klar\u0131d\u0131r.<\/p>\n

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Yakla\u015f\u0131m<\/th>\nRaf ba\u015f\u0131na<\/th>\nIs\u0131 yakalama<\/th>\nKurulum<\/th>\nMevcut filoyla uyum<\/th>\nNe zaman se\u00e7ilir?<\/th>\n<\/tr>\n<\/thead>\n
Arka kap\u0131 \u0131s\u0131 e\u015fanj\u00f6r\u00fc (RDHx)<\/strong><\/td>\n30 \u2013 120 kW<\/td>\n%100 (raf \u00e7\u0131k\u0131\u015f\u0131)<\/td>\nKolay<\/span><\/td>\nVar \u2014 sunucuya dokunulmaz<\/td>\nMevcut hava so\u011futmal\u0131 filoyu koruyup raf\u0131n \u0131s\u0131s\u0131n\u0131 salona vermemek. En h\u0131zl\u0131 ve en d\u00fc\u015f\u00fck riskli giri\u015f yolu.<\/td>\n<\/tr>\n
Do\u011frudan \u00e7ipe (D2C), tek fazl\u0131<\/strong><\/td>\n40 \u2013 250 kW<\/td>\n%70 \u2013 98<\/td>\nOrta<\/span><\/td>\nK\u0131smen \u2014 s\u0131v\u0131 so\u011futmal\u0131 sunucu gerekir<\/td>\nY\u00fcksek yo\u011funluklu GPU\/HPC raflar\u0131. Bug\u00fcn\u00fcn fiili standard\u0131; en olgun ekosistem ve en geni\u015f \u00fcr\u00fcn yelpazesi burada.<\/td>\n<\/tr>\n
L2A yan kabin (sidecar CDU)<\/strong><\/td>\n50 \u2013 500 kW<\/td>\n%70 \u2013 98 (\u00e7evrime), sonra havaya<\/td>\nKolay<\/span><\/td>\nVar \u2014 tesis suyu gerektirmez<\/td>\nTesis su altyap\u0131s\u0131 olmayan mevcut veri merkezinde D2C sunucu \u00e7al\u0131\u015ft\u0131rmak. Is\u0131y\u0131 yine salona verir; salon kapasitesi yetiyorsa m\u00fckemmel k\u00f6pr\u00fc \u00e7\u00f6z\u00fcm.<\/td>\n<\/tr>\n
Tek fazl\u0131 dald\u0131rma (immersion)<\/strong><\/td>\n50 \u2013 200 kW<\/td>\n~%100<\/td>\nOrta<\/span><\/td>\nYok \u2014 kasa ve bak\u0131m d\u00fczeni de\u011fi\u015fir<\/td>\n\u00c7ok y\u00fcksek yo\u011funluk ve sessizlik. Servis, garanti ve s\u0131v\u0131 maliyeti planlamaya dahil edilmeli.<\/td>\n<\/tr>\n
\u00c7ift fazl\u0131 (2-phase D2C \/ dald\u0131rma)<\/strong><\/td>\n100 kW+<\/td>\n~%100<\/td>\nKarma\u015f\u0131k<\/span><\/td>\nYok<\/td>\nEn y\u00fcksek \u0131s\u0131 ak\u0131s\u0131. Ak\u0131\u015fkan maliyeti, PFAS kaynakl\u0131 d\u00fczenleme riski ve s\u0131n\u0131rl\u0131 tedarik\u00e7i say\u0131s\u0131 nedeniyle bug\u00fcn ni\u015f kal\u0131yor.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Is\u0131 yakalama oran\u0131, sunucunun toplam \u0131s\u0131s\u0131n\u0131n ne kadar\u0131n\u0131n s\u0131v\u0131ya aktar\u0131ld\u0131\u011f\u0131n\u0131 g\u00f6sterir. Kalan k\u0131s\u0131m havaya gider ve salon so\u011futmas\u0131yla al\u0131nmal\u0131d\u0131r \u2014 arka kap\u0131 e\u015fanj\u00f6r\u00fc tam da bu art\u0131k \u0131s\u0131y\u0131 yakalamak i\u00e7in kullan\u0131l\u0131r.<\/p>\n<\/p><\/div>\n<\/section>\n

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\u00c7evrim nas\u0131l kurulur?<\/h2>\n

S\u0131v\u0131 so\u011futmay\u0131 anlaman\u0131n en kolay yolu, \u0131s\u0131n\u0131n \u00e7ipten d\u0131\u015f ortama kadar izledi\u011fi yolu takip etmek. \u0130ki ayr\u0131 su \u00e7evrimi vard\u0131r ve bunlar\u0131 CDU<\/strong> (so\u011futucu da\u011f\u0131t\u0131m \u00fcnitesi) birbirinden ay\u0131r\u0131r \u2014 bu ayr\u0131m, sistemin hem g\u00fcvenli\u011fi hem de tedarik\u00e7i ba\u011f\u0131ms\u0131zl\u0131\u011f\u0131 a\u00e7\u0131s\u0131ndan kritiktir.<\/p>\n

<\/marker> <\/marker> <\/marker> <\/defs> TES\u0130S TARAFI (B\u0130R\u0130NC\u0130L)<\/text> CDU<\/text> TEKNOLOJ\u0130 TARAFI (\u0130K\u0130NC\u0130L)<\/text> Kuru so\u011futucu<\/text> veya so\u011futma kulesi<\/text> Tesis suyu<\/text> pompa + boru<\/text> E\u015fanj\u00f6r<\/text> yedekli pompa<\/text> filtre + sens\u00f6r<\/text> Manifold (CDM)<\/text> raf da\u011f\u0131t\u0131m\u0131<\/text> H\u0131zl\u0131 ay\u0131r\u0131c\u0131<\/text> UQD \u2014 sunucu giri\u015fi<\/text> So\u011fuk plaka<\/text> GPU \u00b7 CPU \u00b7 VRM<\/text> DIMM \u00b7 PCIe anahtar\u0131<\/text> So\u011fuk gidi\u015f \u2014 tipik 40-45 \u00b0C<\/text> S\u0131cak d\u00f6n\u00fc\u015f<\/text> \u00c7evrim mimarisi \u2014 \u0131s\u0131 \u00e7ipten d\u0131\u015f ortama nas\u0131l ta\u015f\u0131n\u0131r?<\/text> CDU iki \u00e7evrimi birbirinden ay\u0131r\u0131r: sunucular tesis suyunun kirlili\u011fine, bas\u0131nc\u0131na ve kimyas\u0131na maruz kalmaz.<\/text> <\/svg><\/div>\n
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Neden iki ayr\u0131 \u00e7evrim?<\/b><\/p>\n

Tesis suyu; kire\u00e7, partik\u00fcl ve de\u011fi\u015fken bas\u0131n\u00e7 ta\u015f\u0131r. CDU’daki e\u015fanj\u00f6r sayesinde sunucular yaln\u0131zca temiz, filtrelenmi\u015f ve kimyas\u0131 kontrol edilen ikincil ak\u0131\u015fkanla temas eder. Bir sorun \u00e7\u0131kt\u0131\u011f\u0131nda etkisi tek rafta kal\u0131r.<\/p>\n<\/div>\n

L2L mi, L2A m\u0131?<\/b><\/p>\n

S\u0131v\u0131-s\u0131v\u0131 (L2L) CDU \u0131s\u0131y\u0131 tesis suyuna verir; en verimli \u00e7\u00f6z\u00fcmd\u00fcr ama su altyap\u0131s\u0131 ister. S\u0131v\u0131-havadan (L2A) CDU ise \u0131s\u0131y\u0131 salon havas\u0131na verir \u2014 altyap\u0131 yat\u0131r\u0131m\u0131 gerektirmez, mevcut veri merkezine bug\u00fcn girer.<\/p>\n<\/div>\n

Debi nas\u0131l hesaplan\u0131r?<\/b><\/p>\n

Is\u0131 ta\u015f\u0131ma denklemi Q = \u1e41 \u00b7 cp<\/sub> \u00b7 \u0394T. 100 kW’l\u0131k bir raf, 10 \u00b0C s\u0131cakl\u0131k fark\u0131yla yakla\u015f\u0131k 143 L\/dk<\/strong> debi ister. \u0394T’yi b\u00fcy\u00fctmek debiyi ve pompa g\u00fcc\u00fcn\u00fc d\u00fc\u015f\u00fcr\u00fcr; bu y\u00fczden s\u0131cak su \u00e7al\u0131\u015fmas\u0131 hem verim hem tesisat a\u00e7\u0131s\u0131ndan avantajl\u0131d\u0131r.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/section>\n

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Ekonomi: tasarruf tam olarak nereden geliyor?<\/h2>\n

S\u0131v\u0131 so\u011futman\u0131n getirisi \u00fc\u00e7 kalemde toplan\u0131r: mekanik so\u011futman\u0131n (\u00e7iller) devreden \u00e7\u0131kmas\u0131, sunucu fan t\u00fcketiminin d\u00fc\u015fmesi ve raf yo\u011funlu\u011funun artmas\u0131yla kazan\u0131lan alan. En b\u00fcy\u00fc\u011f\u00fc ilkidir.<\/p>\n

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1,5 \u2192 1,15<\/b>Tipik PUE iyile\u015fmesi
(hava so\u011futmal\u0131 \u2192 s\u0131v\u0131 so\u011futmal\u0131)<\/span><\/div>\n
~300.000<\/b>kWh\/y\u0131l tasarruf
100 kW BT y\u00fck\u00fc ba\u015f\u0131na<\/span><\/div>\n
%10-15 \u2192 %2-5<\/b>Fanlar\u0131n BT y\u00fck\u00fc i\u00e7indeki pay\u0131<\/span><\/div>\n<\/p><\/div>\n
Hesab\u0131 kendi tesisinizde do\u011frulay\u0131n \u2014 tek sat\u0131r: Y\u0131ll\u0131k tasarruf (kWh) = BT y\u00fck\u00fc (kW) \u00d7 (PUE_hava \u2212 PUE_s\u0131v\u0131) \u00d7 8.760<\/code> \u00d6rnek: 100 \u00d7 (1,50 \u2212 1,15) \u00d7 8.760 \u2248 306.600 kWh\/y\u0131l. Kendi elektrik birim fiyat\u0131n\u0131zla \u00e7arp\u0131n; buna sunucu fan tasarrufu ve alan kazanc\u0131 hen\u00fcz dahil de\u011fil.<\/div>\n

As\u0131l k\u0131r\u0131lma: \u00e7illersiz \u00e7al\u0131\u015fmak<\/h3>\n

\u00c7ipler 60-70 \u00b0C’de sorunsuz \u00e7al\u0131\u015ft\u0131\u011f\u0131 i\u00e7in \u00e7evrime 45 \u00b0C’de su vermek yeterlidir. Bu s\u0131cakl\u0131kta suyu so\u011futmak i\u00e7in kompres\u00f6rl\u00fc bir so\u011futma grubuna gerek kalmaz \u2014 kuru so\u011futucu veya so\u011futma kulesi i\u015fi g\u00f6r\u00fcr. T\u00fcrkiye ikliminde bu, y\u0131l\u0131n \u00e7ok b\u00fcy\u00fck b\u00f6l\u00fcm\u00fcnde serbest so\u011futma<\/strong> demektir. Mekanik so\u011futmay\u0131 tamamen devreden \u00e7\u0131karabilen bir tesiste elektrik faturas\u0131ndaki fark, s\u0131v\u0131 so\u011futma yat\u0131r\u0131m\u0131n\u0131n kendisini finanse eder.<\/p>\n

Y\u0131ld\u0131zl\u0131 (*) veriler Supermicro’nun DLC-2 \u00e7\u00f6z\u00fcm\u00fc i\u00e7in yay\u0131mlad\u0131\u011f\u0131 kendi tahminleridir. Di\u011fer de\u011ferler sekt\u00f6rde yayg\u0131n kabul g\u00f6ren aral\u0131klar ve yukar\u0131daki a\u00e7\u0131k form\u00fcle dayan\u0131r; kendi tesisinizin \u00f6l\u00e7\u00fcmleriyle do\u011frulanmal\u0131d\u0131r.<\/p>\n<\/p><\/div>\n<\/section>\n

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Marka ba\u011f\u0131ms\u0131z, ekonomik ba\u015flang\u0131\u00e7 yollar\u0131<\/h2>\n

S\u0131v\u0131 so\u011futmaya ge\u00e7mek i\u00e7in veri merkezinizi ba\u015ftan kurman\u0131z gerekmiyor. A\u015fa\u011f\u0131dakiler, hangi \u00fcreticiyle \u00e7al\u0131\u015f\u0131rsan\u0131z \u00e7al\u0131\u015f\u0131n ge\u00e7erli olan ve yat\u0131r\u0131m\u0131 kademelendiren yakla\u015f\u0131mlard\u0131r.<\/p>\n

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En ucuz giri\u015f<\/span>\u00d6nce arka kap\u0131<\/b><\/p>\n

Sunucuya hi\u00e7 dokunmadan raf\u0131n \u0131s\u0131s\u0131n\u0131 tesis suyuna aktar\u0131rs\u0131n\u0131z. Mevcut hava so\u011futmal\u0131 sunucular\u0131n\u0131z aynen kal\u0131r, garanti tart\u0131\u015fmas\u0131 \u00e7\u0131kmaz. Raf ba\u015f\u0131na 30-60 kW’a kadar bu tek ba\u015f\u0131na yeterlidir ve yat\u0131r\u0131m\u0131n b\u00fcy\u00fck k\u0131sm\u0131 ileride D2C’ye ge\u00e7seniz de kullan\u0131lmaya devam eder.<\/p>\n<\/div>\n

Altyap\u0131 yat\u0131r\u0131m\u0131 s\u0131f\u0131r<\/span>Tesis suyunuz yoksa L2A<\/b><\/p>\n

Yan kabin tipi s\u0131v\u0131-havadan (L2A) CDU, s\u0131v\u0131 \u00e7evrimini raf\u0131n yan\u0131nda kurar ve \u0131s\u0131y\u0131 yine salona verir. Boru tesisat\u0131, \u00e7iller ba\u011flant\u0131s\u0131, kule gerekmez. Salonunuzun so\u011futma kapasitesi yetiyorsa D2C sunucuyu bug\u00fcn devreye al\u0131p tesis suyunu sonraki y\u0131la b\u0131rakabilirsiniz.<\/p>\n<\/div>\n

Yeni \u00e7iller almay\u0131n<\/span>Mevcut so\u011futma grubunu kullan\u0131n<\/b><\/p>\n

Zaten bir so\u011futma suyu tesisat\u0131n\u0131z varsa, s\u0131v\u0131-s\u0131v\u0131 (L2L) CDU ile do\u011frudan ba\u011flan\u0131rs\u0131n\u0131z. CDU birincil (tesis) ve ikincil (teknoloji) \u00e7evrimi ay\u0131rd\u0131\u011f\u0131 i\u00e7in sunucular tesis suyunun kirlili\u011fine ve bas\u0131nc\u0131na maruz kalmaz \u2014 yeni bir so\u011futma grubu almadan ba\u015flars\u0131n\u0131z.<\/p>\n<\/div>\n

Tedarik\u00e7i kilidine girmeyin<\/span>Standart ak\u0131\u015fkan, standart rakor<\/b><\/p>\n

\u0130kincil \u00e7evrimde fiili standart %25 propilen glikol (PG25)<\/strong> kar\u0131\u015f\u0131m\u0131d\u0131r: ucuz, toksik de\u011fil, her yerden bulunur. Rakorlarda OCP’nin UQD\/UQDB evrensel h\u0131zl\u0131 ay\u0131r\u0131c\u0131 spesifikasyonunu isteyin. Bu ikisi, ileride farkl\u0131 \u00fcreticinin sunucusunu ayn\u0131 \u00e7evrime alman\u0131z\u0131 sa\u011flar.<\/p>\n<\/div>\n

Her raf\u0131 s\u0131v\u0131ya \u00e7evirmeyin<\/span>Hibrit gidin<\/b><\/p>\n

S\u0131v\u0131 so\u011futman\u0131n getirisi g\u00fc\u00e7 yo\u011funlu\u011fuyla do\u011fru orant\u0131l\u0131. GPU raflar\u0131n\u0131 s\u0131v\u0131ya al\u0131p depolama, a\u011f ve genel ama\u00e7l\u0131 sunucular\u0131 havada b\u0131rakmak \u00e7o\u011fu kurulumda en iyi maliyet\/fayda dengesini verir. Arka kap\u0131 e\u015fanj\u00f6rleri zaten ikisini ayn\u0131 salonda bar\u0131nd\u0131rman\u0131z\u0131 sa\u011flar.<\/p>\n<\/div>\n

En b\u00fcy\u00fck i\u015fletme tasarrufu<\/span>S\u0131cak su ile \u00e7illersiz \u00e7al\u0131\u015f\u0131n<\/b><\/p>\n

\u00c7evrim giri\u015f suyunu 40-45 \u00b0C’de \u00e7al\u0131\u015ft\u0131rabilirseniz mekanik so\u011futmaya (\u00e7iller\/kompres\u00f6r) \u00e7o\u011fu zaman hi\u00e7 ihtiya\u00e7 kalmaz; kuru so\u011futucu (dry cooler) veya so\u011futma kulesi yeter. T\u00fcrkiye ikliminde bu, y\u0131l\u0131n b\u00fcy\u00fck b\u00f6l\u00fcm\u00fcnde serbest so\u011futma demektir \u2014 yat\u0131r\u0131m\u0131n kendini amorti etti\u011fi as\u0131l kalem buras\u0131d\u0131r.<\/p>\n<\/div>\n<\/div><\/div>\n<\/section>\n

\n
\n

Karar tablosu: raf yo\u011funlu\u011funuza g\u00f6re<\/h2>\n

Tek soruyla ba\u015flay\u0131n: hedef raf ba\u015f\u0131na ka\u00e7 kW? Cevap, teknoloji se\u00e7iminizi b\u00fcy\u00fck \u00f6l\u00e7\u00fcde belirler.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Raf yo\u011funlu\u011fu<\/th>\n\u00d6nerilen yakla\u015f\u0131m<\/th>\nNot<\/th>\n<\/tr>\n<\/thead>\n
5 \u2013 15 kW<\/td>\nKlasik hava so\u011futma + s\u0131cak\/so\u011fuk koridor ayr\u0131m\u0131<\/strong><\/td>\nS\u0131v\u0131ya ge\u00e7menin ekonomik gerek\u00e7esi yok.<\/td>\n<\/tr>\n
15 \u2013 30 kW<\/td>\nKoridor kapatma; gerekirse arka kap\u0131 e\u015fanj\u00f6r\u00fc<\/strong><\/td>\nPasif RDHx \u00e7o\u011fu zaman yeterli, yat\u0131r\u0131m k\u00fc\u00e7\u00fck.<\/td>\n<\/tr>\n
30 \u2013 60 kW<\/td>\nAktif arka kap\u0131 e\u015fanj\u00f6r\u00fc veya<\/em> D2C + L2A yan kabin<\/strong><\/td>\nK\u0131r\u0131lma noktas\u0131 buras\u0131. Sunucu filonuz yenilenecekse do\u011frudan D2C’ye ge\u00e7in.<\/td>\n<\/tr>\n
60 \u2013 130 kW<\/td>\nD2C + raf i\u00e7i CDU (tercihen s\u0131cak su, 40-45 \u00b0C)<\/strong><\/td>\nGPU e\u011fitim raflar\u0131 bu bantta. Tesis suyu planlamas\u0131 \u015fart.<\/td>\n<\/tr>\n
130 kW +<\/td>\nD2C + s\u0131ra i\u00e7i (in-row) CDU, raf-\u00f6l\u00e7ekli entegrasyon<\/strong><\/td>\nGB200\/GB300 s\u0131n\u0131f\u0131. Elektrik ve su altyap\u0131s\u0131 projenin ana k\u0131s\u0131t\u0131 olur.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n<\/section>\n
\n
\n

Devreye al\u0131rken en s\u0131k yap\u0131lan alt\u0131 hata<\/h2>\n

S\u0131v\u0131 so\u011futmada projeler genellikle termal hesap y\u00fcz\u00fcnden de\u011fil, i\u015fletme detaylar\u0131 y\u00fcz\u00fcnden aksar. Teklif al\u0131rken bu alt\u0131 maddeyi \u015fartnameye yazd\u0131r\u0131n.<\/p>\n

\n
1<\/i><\/p>\n
S\u0131z\u0131nt\u0131 alg\u0131lamay\u0131 sonraya b\u0131rakmak<\/b><\/p>\n

Kabloya duyarl\u0131 (rope) s\u0131z\u0131nt\u0131 sens\u00f6r\u00fc, CDU alarm\u0131 ve otomatik kapatma senaryosunu ilk g\u00fcnden kurgulay\u0131n. Modern D2C sistemleri negatif bas\u0131n\u00e7la \u00e7al\u0131\u015fabilir; s\u0131z\u0131nt\u0131 oldu\u011funda s\u0131v\u0131 d\u0131\u015far\u0131 akmak yerine i\u00e7eri hava \u00e7eker. Teklif al\u0131rken bunu a\u00e7\u0131k\u00e7a sorun.<\/p>\n<\/div>\n<\/div>\n

2<\/i><\/p>\n
Malzeme uyumsuzlu\u011fu ve galvanik korozyon<\/b><\/p>\n

Bak\u0131r so\u011fuk plaka + al\u00fcminyum bir bile\u015fen + yanl\u0131\u015f ak\u0131\u015fkan = birka\u00e7 ay i\u00e7inde delinme. \u00c7evrimdeki t\u00fcm \u0131slak y\u00fczeylerin malzeme listesini isteyin ve ak\u0131\u015fkan\u0131 \u00fcreticinin onaylad\u0131\u011f\u0131 form\u00fclasyonla s\u0131n\u0131rlay\u0131n. Musluk suyu veya saf su asla kullanmay\u0131n.<\/p>\n<\/div>\n<\/div>\n

3<\/i><\/p>\n
Filtrasyon ve su kimyas\u0131n\u0131 ihmal etmek<\/b><\/p>\n

\u0130kincil \u00e7evrimde partik\u00fcl filtresi ve d\u00fczenli ak\u0131\u015fkan analizi \u015fart. Biyofilm ve tortu mikro kanallar\u0131 t\u0131kar; belirti performans d\u00fc\u015f\u00fc\u015f\u00fc de\u011fil, ani termal throttling olarak gelir. Y\u0131ll\u0131k bak\u0131m plan\u0131na yaz\u0131n.<\/p>\n<\/div>\n<\/div>\n

4<\/i><\/p>\n
CDU’yu tek noktadan ar\u0131za yapmak<\/b><\/p>\n

Raf\u0131n t\u00fcm so\u011futmas\u0131 CDU’dan ge\u00e7iyor. Yedekli pompa ve yedekli g\u00fc\u00e7 kayna\u011f\u0131 (N+1) olmayan bir CDU, 8 GPU sunucusunu tek seferde durdurabilir. Pompan\u0131n sahada, raf \u00e7al\u0131\u015f\u0131rken de\u011fi\u015ftirilebilir oldu\u011funu do\u011frulay\u0131n.<\/p>\n<\/div>\n<\/div>\n

5<\/i><\/p>\n
Is\u0131 y\u00fck\u00fcn\u00fc yaln\u0131zca \u00e7ipten ibaret saymak<\/b><\/p>\n

D2C tipik olarak \u0131s\u0131n\u0131n %70-80’ini al\u0131r; DIMM, VRM, g\u00fc\u00e7 kayna\u011f\u0131 ve a\u011f kartlar\u0131 havada kal\u0131r. Raf\u0131n salona verdi\u011fi art\u0131k \u0131s\u0131y\u0131 hesaba katmazsan\u0131z salon klimas\u0131n\u0131 yetersiz boyutland\u0131r\u0131rs\u0131n\u0131z. Kapsam\u0131 geni\u015fletilmi\u015f (DIMM\/VRM\/PSU dahil) so\u011fuk plaka setleri bu oran\u0131 %98’e \u00e7\u0131karabilir.<\/p>\n<\/div>\n<\/div>\n

6<\/i><\/p>\n
Servis ekibini e\u011fitmeden devreye almak<\/b><\/p>\n

H\u0131zl\u0131 ay\u0131r\u0131c\u0131y\u0131 yanl\u0131\u015f s\u00f6kmek, tepsiyi s\u0131v\u0131 ba\u011fl\u0131yken \u00e7ekmek veya dolum prosed\u00fcr\u00fcn\u00fc atlamak en s\u0131k g\u00f6r\u00fclen saha hatalar\u0131d\u0131r. Devreye alma (commissioning) ve operat\u00f6r e\u011fitimini s\u00f6zle\u015fmeye dahil ettirin.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/section>\n

\n
\n

Supermicro DLC-2 taraf\u0131nda ne var?<\/h2>\n

GTM Teknoloji’nin distrib\u00fct\u00f6r\u00fc oldu\u011fu Supermicro, \u00e7evrimin tamam\u0131n\u0131 tek elden veriyor: so\u011fuk plaka, manifold (CDM), hortum seti, raf i\u00e7i ve s\u0131ra i\u00e7i CDU, arka kap\u0131 e\u015fanj\u00f6r\u00fc, ak\u0131\u015fkan ve raf-\u00f6l\u00e7ekli entegrasyon. Bu, uyumluluk ve tek muhatap a\u00e7\u0131s\u0131ndan projeyi belirgin bi\u00e7imde kolayla\u015ft\u0131r\u0131yor.<\/p>\n

\n
Geni\u015fletilmi\u015f so\u011fuk plaka<\/b><\/p>\n

Yaln\u0131zca CPU ve GPU de\u011fil; DIMM, VRM, PCIe anahtar\u0131 ve g\u00fc\u00e7 kayna\u011f\u0131 da so\u011fuk plakayla kapsan\u0131yor. Is\u0131 yakalama oran\u0131n\u0131 %98<\/strong>‘e \u00e7\u0131karan fark burada \u2014 salona kalan art\u0131k \u0131s\u0131 en aza iniyor.<\/p>\n<\/div>\n

Raf i\u00e7i CDU \u2014 250 kW<\/b><\/p>\n

Yedekli pompa ve yedekli g\u00fc\u00e7 kayna\u011f\u0131yla, 45 \u00b0C s\u0131cak su \u00e7al\u0131\u015fmas\u0131n\u0131 destekliyor. \u00c7illerin devreden \u00e7\u0131kmas\u0131 ve PUE d\u00fc\u015f\u00fc\u015f\u00fc do\u011frudan bu \u00e7al\u0131\u015fma noktas\u0131ndan geliyor.<\/p>\n<\/div>\n

Arka kap\u0131 e\u015fanj\u00f6r\u00fc \u2014 120 kW<\/b><\/p>\n

Evrensel raf uyumlulu\u011fu ve h\u0131zl\u0131 montaj. Mevcut hava so\u011futmal\u0131 filonuzla ba\u015flamak veya D2C sonras\u0131 art\u0131k \u0131s\u0131y\u0131 toplamak i\u00e7in en pratik bile\u015fen.<\/p>\n<\/div>\n

L2A yan kabin \u2014 500 kW<\/b><\/p>\n

Tesis suyu olmayan salonlarda s\u0131v\u0131 so\u011futmal\u0131 raf \u00e7al\u0131\u015ft\u0131rman\u0131n yolu. De\u011fi\u015fken h\u0131zl\u0131 pompalar ve merkez\u00ee y\u00f6netim ile geliyor.<\/p>\n<\/div>\n

S\u0131ra i\u00e7i CDU \u2014 1,8 MW<\/b><\/p>\n

\u00c7ok rafl\u0131 AI k\u00fcmeleri i\u00e7in. Raf-\u00f6l\u00e7ekli entegrasyon, test ve devreye alma Supermicro taraf\u0131nda yap\u0131l\u0131p sahaya \u00e7al\u0131\u015f\u0131r h\u00e2lde geliyor.<\/p>\n<\/div>\n

PG bazl\u0131 sentetik ak\u0131\u015fkan<\/b><\/p>\n

Termal kararl\u0131l\u0131k, geni\u015f malzeme uyumlulu\u011fu, korozyon korumas\u0131 ve anti-bakteriyel katk\u0131. \u00c7evrim kimyas\u0131n\u0131 do\u011fru kurmak, uzun \u00f6mr\u00fcn en ucuz sigortas\u0131d\u0131r.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/section>\n

\n
\n

Katalogdaki s\u0131v\u0131 so\u011futmal\u0131 sistemler<\/h2>\n

Hepsi 4U, 8-GPU ve fabrika \u00e7\u0131k\u0131\u015f\u0131 s\u0131v\u0131 so\u011futmal\u0131 (LCC\/ALC). Raf \u00f6l\u00e7e\u011finde entegrasyon, CDU ve manifold se\u00e7imini birlikte yap\u0131yoruz.<\/p>\n

SYS-422GS-NB3RT-LCC<\/span>4U \u00b7 NVIDIA HGX B300 8-GPU \u00b7 Intel Xeon<\/span><\/a>AS-4126GS-NB3RT-LCC<\/span>4U \u00b7 NVIDIA HGX B300 8-GPU \u00b7 AMD EPYC<\/span><\/a>SYS-422GA-NBRT-LCC<\/span>4U \u00b7 NVIDIA HGX B200 8-GPU \u00b7 Xeon 6900<\/span><\/a>AS-4126GS-NBR-LCC<\/span>4U \u00b7 NVIDIA HGX B200 8-GPU \u00b7 AMD EPYC<\/span><\/a>SYS-421GE-NBRT-LCC<\/span>4U \u00b7 NVIDIA HGX B200 8-GPU \u00b7 Xeon Gen5\/Gen4<\/span><\/a>SYS-421GE-TNHR2-LCC<\/span>4U \u00b7 NVIDIA HGX H100\/H200 8-GPU \u00b7 Intel<\/span><\/a>AS-4125GS-TNHR2-LCC<\/span>4U \u00b7 NVIDIA HGX H100\/H200 8-GPU \u00b7 AMD EPYC<\/span><\/a>AS-4126GS-NMR-LCC<\/span>4U \u00b7 AMD Instinct MI355X 8-GPU<\/span><\/a>AS-4125GS-TNMR2-LCC<\/span>4U \u00b7 AMD Instinct MI300X 8-GPU<\/span><\/a><\/div>\n

Masa\u00fcst\u00fc taraf\u0131nda s\u0131v\u0131 so\u011futmal\u0131 bir se\u00e7enek de var: Super AI Station ARS-511GD-NB-LCC<\/a> \u2014 NVIDIA GB300 Grace Blackwell Ultra ile, priz seviyesinde \u00e7al\u0131\u015fan bir geli\u015ftirme istasyonu. T\u00fcm liste: S\u0131v\u0131 so\u011futmal\u0131 GPU sunucular\u0131<\/a> \u00b7 NVIDIA HGX B300\/B200\/H200 \u00e7\u00f6z\u00fcm sayfas\u0131<\/a><\/p>\n<\/p><\/div>\n<\/section>\n

\n
\n

Ger\u00e7ek kurulumlardan<\/h2>\n
\n
xAI Colossus \u2014 100.000 GPU<\/b><\/p>\n

Memphis’teki AI s\u00fcperbilgisayar\u0131, raf ba\u015f\u0131na 64 NVIDIA H100 ve raf alt\u0131nda CDU ile 122 g\u00fcnde kuruldu. Is\u0131 y\u00f6netimi tasar\u0131m\u0131n\u0131 ve 400GbE a\u011f mimarisini ayr\u0131nt\u0131l\u0131 inceledik. Yaz\u0131y\u0131 okuyun \u2192<\/a><\/p>\n<\/div>\n

FlexTwin \u2014 2U’da d\u00f6rt d\u00fc\u011f\u00fcm<\/b><\/p>\n

Soket ba\u015f\u0131na 500 W’a kadar i\u015flemci, standart s\u0131v\u0131 so\u011futma ve 48U rafta 160 sokete kadar \u00f6l\u00e7eklenen HPC mimarisi. \u00c7\u00f6z\u00fcm \u00f6zetini okuyun \u2192<\/a><\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/section>\n

\n
\n

S\u0131k Sorulan Sorular<\/h2>\n
\n
\nS\u0131v\u0131 so\u011futmaya ger\u00e7ekten ihtiyac\u0131m var m\u0131?<\/summary>\n
Belirleyici olan raf ba\u015f\u0131na g\u00fc\u00e7 yo\u011funlu\u011funuz. 15 kW\/raf alt\u0131nda hava so\u011futma hem yeterli hem daha ekonomiktir. 30-60 kW band\u0131 k\u0131r\u0131lma noktas\u0131d\u0131r: burada arka kap\u0131 e\u015fanj\u00f6r\u00fc ya da do\u011frudan \u00e7ipe so\u011futma devreye girer. 60 kW \u00fczerinde s\u0131v\u0131 art\u0131k tercih de\u011fil, fiziksel zorunluluktur \u2014 modern 8-GPU sunucular tek ba\u015f\u0131na 10 kW’\u0131 a\u015f\u0131yor.<\/div>\n<\/details>\n
\nMevcut hava so\u011futmal\u0131 veri merkezimde s\u0131v\u0131 so\u011futmal\u0131 sunucu \u00e7al\u0131\u015ft\u0131rabilir miyim?<\/summary>\n
Evet. S\u0131v\u0131-havadan (L2A) yan kabin CDU, s\u0131v\u0131 \u00e7evrimini raf\u0131n yan\u0131nda kurar ve toplad\u0131\u011f\u0131 \u0131s\u0131y\u0131 yine salon havas\u0131na verir. Tesis suyu, boru tesisat\u0131 veya yeni \u00e7iller gerekmez. Tek ko\u015ful salonun o \u0131s\u0131y\u0131 kald\u0131rabilmesidir. Bu, D2C sunucuya bug\u00fcn ge\u00e7ip su altyap\u0131s\u0131n\u0131 sonraki yat\u0131r\u0131m d\u00f6nemine b\u0131rakman\u0131n en pratik yoludur.<\/div>\n<\/details>\n
\nS\u0131z\u0131nt\u0131 riski ne kadar ger\u00e7ek?<\/summary>\n
Do\u011fru kurgulanm\u0131\u015f bir sistemde d\u00fc\u015f\u00fck, ama s\u0131f\u0131r de\u011fil \u2014 bu y\u00fczden tasar\u0131mda de\u011fil, varsay\u0131mda<\/em> hata yapmay\u0131n. \u0130steyece\u011finiz \u00fc\u00e7 \u015fey: kabloya duyarl\u0131 s\u0131z\u0131nt\u0131 sens\u00f6r\u00fc ve CDU alarm\u0131, kuru ba\u011flant\u0131 yapan h\u0131zl\u0131 ay\u0131r\u0131c\u0131lar (damlatmayan tip), ve m\u00fcmk\u00fcnse negatif bas\u0131n\u00e7l\u0131 \u00e7evrim \u2014 s\u0131z\u0131nt\u0131 an\u0131nda s\u0131v\u0131 d\u0131\u015far\u0131 akmak yerine sisteme hava \u00e7ekilir. Ayr\u0131ca \u00e7evrimde su de\u011fil, korozyon \u00f6nleyicili PG bazl\u0131 ak\u0131\u015fkan bulunur.<\/div>\n<\/details>\n
\nS\u0131cak su ile so\u011futma ne demek, neden bu kadar \u00f6nemli?<\/summary>\n
\u00c7ipler 60-70 \u00b0C’de rahat\u00e7a \u00e7al\u0131\u015f\u0131r; dolay\u0131s\u0131yla \u00e7evrime 45 \u00b0C’de su vermek yeterlidir. Bu s\u0131cakl\u0131kta suyu so\u011futmak i\u00e7in kompres\u00f6rl\u00fc \u00e7iller gerekmez \u2014 kuru so\u011futucu veya so\u011futma kulesi yeter. Mekanik so\u011futmay\u0131 devreden \u00e7\u0131karmak, s\u0131v\u0131 so\u011futman\u0131n en b\u00fcy\u00fck i\u015fletme tasarrufudur; T\u00fcrkiye ikliminde y\u0131l\u0131n \u00e7ok b\u00fcy\u00fck b\u00f6l\u00fcm\u00fcnde serbest so\u011futma yap\u0131labilir. Supermicro bu \u00e7al\u0131\u015fma noktas\u0131 i\u00e7in %40’a varan su tasarrufu bildiriyor.<\/div>\n<\/details>\n
\nTek bir \u00fcreticiye ba\u011f\u0131ml\u0131 kal\u0131r m\u0131y\u0131m?<\/summary>\n
Do\u011fru s\u00f6zle\u015fmeyle hay\u0131r. \u0130ki teknik detay\u0131 \u015fartnameye yaz\u0131n: ikincil \u00e7evrim ak\u0131\u015fkan\u0131 olarak standart PG25<\/strong> (%25 propilen glikol) ve rakorlarda OCP UQD\/UQDB<\/strong> evrensel h\u0131zl\u0131 ay\u0131r\u0131c\u0131. Bunlar sa\u011fland\u0131\u011f\u0131nda farkl\u0131 \u00fcreticilerin sunucular\u0131n\u0131 ayn\u0131 CDU ve manifold altyap\u0131s\u0131nda \u00e7al\u0131\u015ft\u0131rabilirsiniz. So\u011fuk plaka taraf\u0131nda da CoolIT, Motivair, Boyd, Asetek gibi ba\u011f\u0131ms\u0131z tedarik\u00e7iler bulunuyor.<\/div>\n<\/details>\n
\nYat\u0131r\u0131m kendini ne kadar s\u00fcrede amorti eder?<\/summary>\n
Belirleyici olan raf yo\u011funlu\u011fu, elektrik birim fiyat\u0131n\u0131z ve mekanik so\u011futmadan kurtulup kurtulamad\u0131\u011f\u0131n\u0131z. 100 kW’l\u0131k bir BT y\u00fck\u00fcnde PUE’yi 1,5’ten 1,15’e indirmek y\u0131lda yakla\u015f\u0131k 300.000 kWh<\/strong> tasarruf demektir; kendi tarifenizle \u00e7arp\u0131p do\u011frudan g\u00f6rebilirsiniz. Buna sunucu fan t\u00fcketimindeki d\u00fc\u015f\u00fc\u015f, artan raf yo\u011funlu\u011fu sayesinde kazan\u0131lan alan ve azalan g\u00fcr\u00fclt\u00fc eklenir. Y\u00fcksek yo\u011funluklu kurulumlarda geri d\u00f6n\u00fc\u015f tipik olarak 2-4 y\u0131l band\u0131ndad\u0131r.<\/div>\n<\/details>\n
\nGTM Teknoloji bu i\u015fin neresinde?<\/summary>\n
2009’dan bu yana Supermicro’nun T\u00fcrkiye distrib\u00fct\u00f6r\u00fc ve NVIDIA NPN i\u015f orta\u011f\u0131y\u0131z. S\u0131v\u0131 so\u011futmal\u0131 sunucu, CDU, manifold ve arka kap\u0131 e\u015fanj\u00f6r\u00fcn\u00fc tek projede boyutland\u0131r\u0131yor; mevcut salonunuzun \u0131s\u0131 ve elektrik b\u00fct\u00e7esine g\u00f6re hava\/s\u0131v\u0131 kar\u0131\u015f\u0131m\u0131n\u0131 birlikte planl\u0131yoruz. Ba\u015flang\u0131\u00e7 i\u00e7in ihtiyac\u0131m\u0131z olan tek \u015fey hedef raf yo\u011funlu\u011funuz ve salonunuzun mevcut so\u011futma kapasitesi \u2014 satis@gtmteknoloji.com<\/a>.<\/div>\n<\/details>\n<\/div><\/div>\n<\/section>\n
\n
\n

Salonunuza uygun so\u011futmay\u0131 birlikte se\u00e7elim<\/h2>\n

Hedef raf yo\u011funlu\u011funuzu ve salonunuzun mevcut so\u011futma kapasitesini payla\u015f\u0131n; hava, arka kap\u0131, L2A ve D2C se\u00e7eneklerini sizin say\u0131lar\u0131n\u0131zla kar\u015f\u0131la\u015ft\u0131ral\u0131m. GTM Teknoloji 2009’dan bu yana Supermicro’nun T\u00fcrkiye distrib\u00fct\u00f6r\u00fc ve NVIDIA NPN i\u015f orta\u011f\u0131d\u0131r.<\/p>\n

Teklif al\u0131n<\/a> GPU sunucular\u0131n\u0131 inceleyin<\/a> <\/div>\n<\/section><\/div>\n","protected":false},"excerpt":{"rendered":"

Veri merkezinde s\u0131v\u0131 so\u011futma: teknoloji kar\u015f\u0131la\u015ft\u0131rmas\u0131, \u00e7evrim mimarisi, PUE ve kWh hesab\u0131, marka ba\u011f\u0131ms\u0131z ekonomik ba\u015flang\u0131\u00e7 yollar\u0131 ve devreye alma tuzaklar\u0131.<\/p>\n","protected":false},"author":0,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"page-builder","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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