{"id":122608,"date":"2026-10-28T10:00:00","date_gmt":"2026-10-28T09:00:00","guid":{"rendered":"https:\/\/aixia.se\/liquid-cooling-and-energy-requirements-for-2026-the-data-center-hall-meets-ai-density\/"},"modified":"2026-10-28T10:00:35","modified_gmt":"2026-10-28T09:00:35","slug":"liquid-cooling-and-energy-requirements-for-2026-the-data-center-hall-meets-ai-density","status":"publish","type":"post","link":"https:\/\/aixia.se\/en\/liquid-cooling-and-energy-requirements-for-2026-the-data-center-hall-meets-ai-density\/","title":{"rendered":"Liquid Cooling and Energy Requirements for 2026: The Data Center Hall Meets AI Density"},"content":{"rendered":"<style>.aixia-post{color:#1f2933;font-size:17px;line-height:1.7}\n.aixia-post .lead{font-size:19px;line-height:1.65;color:#334155}\n.aixia-post h2{font-size:21px!important;line-height:1.3!important;margin:36px 0 12px!important;font-weight:650!important;letter-spacing:-.2px;color:#0f172a}\n.aixia-post h2:before{content:\"\";display:block;width:34px;height:3px;border-radius:2px;background:#0b5fff;margin-bottom:12px}\n.aixia-post p{margin:0 0 16px}\n.aixia-post .cta{background:#f0f6ff;border:1px solid #dbe7ff;border-left:4px solid #0b5fff;border-radius:10px;padding:16px 20px;margin:28px 0}\n.aixia-post .cta p{margin:0}\n.aixia-post ul,.aixia-post ol{padding-left:22px;margin:0 0 16px}\n.aixia-post li{margin:0 0 8px}\n.aixia-post table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}\n.aixia-post th,.aixia-post td{border:1px solid #e5e7eb;padding:10px 12px;text-align:left;vertical-align:top}\n.aixia-post th{background:#f8fafc;font-weight:600}\n<\/style>\n<div class=\"aixia-post\">\n<p class=\"lead\">De flesta datacenterhallar \u00e4r byggda f\u00f6r en annan tid. De dimensionerades f\u00f6r servrar, lagring och n\u00e4tverk som tillsammans drog n\u00e5gra kilowatt per rack och kyldes med luft. Moderna AI-system passar inte in i den modellen. Ett enda rack med de senaste GPU:erna kan i dag dra mer effekt \u00e4n en hel rad med traditionell IT.<\/p>\n<p>Det g\u00f6r att fr\u00e5gan om var och hur AI-infrastrukturen ska st\u00e5 inte l\u00e4ngre \u00e4r en detalj som l\u00f6ses i slutet av ett projekt. Kyla och el har blivit lika avg\u00f6rande som sj\u00e4lva h\u00e5rdvaran. H\u00e4r tittar vi p\u00e5 vad som har f\u00f6r\u00e4ndrats, varf\u00f6r v\u00e4tskekylning har blivit standard f\u00f6r AI och vad det betyder f\u00f6r er som planerar n\u00e4sta investering.<\/p>\n<h2>Fr\u00e5n tiotals till hundratals kilowatt per rack<\/h2>\n<p>Utvecklingen har g\u00e5tt snabbt. Enligt AFCOM:s rapport State of the Data Center 2026 har den genomsnittliga effekten per rack \u00f6kat fr\u00e5n 16 till 27 kW p\u00e5 ett enda \u00e5r, den st\u00f6rsta \u00f6kningen p\u00e5 tio \u00e5r. Men genomsnittet d\u00f6ljer var f\u00f6r\u00e4ndringen egentligen sker. Det \u00e4r AI-racken som drar upp siffrorna, och d\u00e4r handlar det om helt andra niv\u00e5er.<\/p>\n<p>Och utvecklingen forts\u00e4tter. NVIDIA har redan aviserat rack med Rubin Ultra som v\u00e4ntas n\u00e4rma sig 600 kW under andra halv\u00e5ret 2027. Varje ny GPU-generation drar mer effekt per rack, och planeringen beh\u00f6ver utg\u00e5 fr\u00e5n vart utvecklingen \u00e4r p\u00e5 v\u00e4g, inte fr\u00e5n vad som st\u00e5r i hallen i dag.<\/p>\n<table>\n<thead>\n<tr>\n<th>Typ av rack<\/th>\n<th>Ungef\u00e4rlig effekt per rack<\/th>\n<th>Kylning<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Traditionell f\u00f6retags-IT<\/td>\n<td>5-15 kW<\/td>\n<td>Luft<\/td>\n<\/tr>\n<tr>\n<td>Genomsnitt alla datacenter 2026<\/td>\n<td>27 kW<\/td>\n<td>Mestadels luft<\/td>\n<\/tr>\n<tr>\n<td>NVIDIA GB200 NVL72<\/td>\n<td>ca 120 kW<\/td>\n<td>V\u00e4tska direkt till chip, krav<\/td>\n<\/tr>\n<tr>\n<td>NVIDIA Vera Rubin NVL72 (lanseras 2026)<\/td>\n<td>ca 190-230 kW, beroende p\u00e5 konfiguration<\/td>\n<td>V\u00e4tska i princip hela racket<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Varf\u00f6r luft inte r\u00e4cker l\u00e4ngre<\/h2>\n<p>Luft \u00e4r helt enkelt ett d\u00e5ligt medium f\u00f6r att transportera v\u00e4rme. Vid l\u00e5ga effekter g\u00e5r det bra, men n\u00e4r ett rack ska kylas bort fr\u00e5n hundra kilowatt eller mer kr\u00e4vs s\u00e5 stora luftm\u00e4ngder och s\u00e5 h\u00f6ga fl\u00e4kthastigheter att det blir fysiskt och ekonomiskt orimligt. Fl\u00e4ktarna drar dessutom sj\u00e4lva en betydande del av energin. V\u00e4tska kan ta upp och transportera v\u00e4rme betydligt mer effektivt, och d\u00e4rf\u00f6r har v\u00e4tskekylning g\u00e5tt fr\u00e5n att vara en nisch f\u00f6r superdatorer till att bli standard f\u00f6r nya AI-installationer.<\/p>\n<p><strong>Direct-to-chip.<\/strong> Kylplattor sitter direkt p\u00e5 GPU:er och CPU:er, och v\u00e4tska leds genom dem i ett slutet system. Det \u00e4r den vanligaste l\u00f6sningen f\u00f6r AI-racken i dag.<\/p>\n<p><strong>Bakd\u00f6rrskylare.<\/strong> En v\u00e4rmev\u00e4xlare monteras p\u00e5 rackets baksida och kyler luften innan den sl\u00e4pps ut i hallen. Ett bra mellansteg i befintliga hallar, men r\u00e4cker inte f\u00f6r de t\u00e4taste systemen.<\/p>\n<p><strong>Immersion.<\/strong> Hela servrarna s\u00e4nks ner i en icke-ledande v\u00e4tska. Mycket effektivt, men kr\u00e4ver annan h\u00e5rdvara och nya driftrutiner.<\/p>\n<p>I praktiken handlar det s\u00e4llan om antingen eller. De flesta AI-milj\u00f6er kombinerar v\u00e4tskekylning f\u00f6r GPU:erna med luft f\u00f6r \u00f6vrig utrustning. Det centrala \u00e4r att hallen f\u00e5r en ny infrastruktur: kylv\u00e4tskef\u00f6rdelning (CDU), r\u00f6rsystem, l\u00e4ckagedetektering och ett s\u00e4tt att f\u00f6ra bort v\u00e4rmen fr\u00e5n byggnaden. Det finns ocks\u00e5 en f\u00f6rdel som ofta gl\u00f6ms bort &#8211; v\u00e4tskekylning arbetar med h\u00f6gre temperaturer p\u00e5 kylv\u00e4tskan, vilket g\u00f6r spillv\u00e4rmen mer anv\u00e4ndbar. I Norden, med utbyggda fj\u00e4rrv\u00e4rmen\u00e4t, kan v\u00e4rmen fr\u00e5n AI-klustret v\u00e4rma bost\u00e4der i st\u00e4llet f\u00f6r att sl\u00e4ppas ut i luften.<\/p>\n<h2>Energin \u00e4r den egentliga flaskhalsen<\/h2>\n<p>Kylningen g\u00e5r att l\u00f6sa med r\u00e4tt teknik. Effekten \u00e4r sv\u00e5rare. Ett rack som drar \u00f6ver hundra kilowatt beh\u00f6ver motsvarande elf\u00f6rs\u00f6rjning, och ett kluster med flera s\u00e5dana rack kan kr\u00e4va mer effekt \u00e4n vad en befintlig byggnad har tillg\u00e5ng till. Att f\u00e5 ny effekt ansluten tar ofta l\u00e5ng tid, och p\u00e5 flera h\u00e5ll i Sverige \u00e4r eln\u00e4tet redan anstr\u00e4ngt. D\u00e4rf\u00f6r \u00e4r det inte l\u00e4ngre kylningen som i f\u00f6rsta hand begr\u00e4nsar hur snabbt AI-kapacitet kan byggas ut, utan tillg\u00e5ngen till el.<\/p>\n<p>Leverant\u00f6rerna anpassar sig efter samma verklighet. NVIDIA har presenterat en str\u00f6markitektur med 800 volt likstr\u00f6m som ska inf\u00f6ras fr\u00e5n 2027 och klara rack p\u00e5 upp till en megawatt, med m\u00e5let att minska f\u00f6rlusterna och m\u00e4ngden koppar n\u00e4r effekten per rack forts\u00e4tter att \u00f6ka. Den nya generationen, Vera Rubin, \u00e4r byggd f\u00f6r v\u00e4tskekylning i hela racket och beh\u00f6ver betydligt mindre luftfl\u00f6de \u00e4n tidigare system. HPE har l\u00e5ng erfarenhet av direkt v\u00e4tskekylning fr\u00e5n superdatorv\u00e4rlden, bland annat med Cray EX, och har lanserat en helt fl\u00e4ktfri v\u00e4tskekyld systemarkitektur f\u00f6r organisationer som bygger storskalig AI. F\u00f6r den som bygger referensarkitekturer som NVIDIA DGX SuperPOD betyder det att datacentret, kylningen och elf\u00f6rs\u00f6rjningen beh\u00f6ver vara en lika genomt\u00e4nkt del av designen som GPU:erna, n\u00e4tverket och lagringen.<\/p>\n<h2>Vad det betyder f\u00f6r er som planerar AI-infrastruktur<\/h2>\n<p>F\u00f6r de flesta organisationer \u00e4r fr\u00e5gan inte om de ska bygga ett nytt datacenter, utan hur befintliga lokaler och avtal kan klara AI-utrustningen. N\u00e5gra saker \u00e4r v\u00e4rda att g\u00e5 igenom tidigt:<\/p>\n<p><strong>1. Kartl\u00e4gg vad hallen klarar i dag.<\/strong> Hur mycket effekt finns per rack och totalt? Finns det kylvatten eller m\u00f6jlighet att dra fram det? Klarar golvet vikten? V\u00e4tskekylda AI-rack \u00e4r betydligt tyngre \u00e4n vanliga rack.<\/p>\n<p><strong>2. V\u00e4lj h\u00e5rdvara utifr\u00e5n lokalerna, eller lokaler utifr\u00e5n h\u00e5rdvaran.<\/strong> Alla AI-system kr\u00e4ver inte v\u00e4tskekylning. Det finns luftkylda alternativ som passar befintliga hallar, men med l\u00e4gre densitet. Det viktiga \u00e4r att valet g\u00f6rs medvetet.<\/p>\n<p><strong>3. R\u00e4kna p\u00e5 mer \u00e4n elpriset.<\/strong> V\u00e4tskekylning kostar mer att installera, men ger ofta l\u00e4gre energianv\u00e4ndning f\u00f6r kylningen och tar mindre golvyta. Med fj\u00e4rrv\u00e4rme kan spillv\u00e4rmen dessutom bli en int\u00e4kt eller ett h\u00e5llbarhetsargument.<\/p>\n<p><strong>4. Fr\u00e5ga er colocation-leverant\u00f6r r\u00e4tt saker.<\/strong> Allt fler erbjuder v\u00e4tskekylning, men det varierar stort hur mycket effekt per rack de faktiskt klarar och hur snabbt de kan leverera.<\/p>\n<p><strong>5. Planera f\u00f6r n\u00e4sta generation.<\/strong> Det som installeras i dag kommer att ers\u00e4ttas med utrustning som drar \u00e4nnu mer. Bygg infrastrukturen s\u00e5 att den kan v\u00e4xa utan att allt m\u00e5ste g\u00f6ras om.<\/p>\n<p>Den vanligaste f\u00e4llan vi ser \u00e4r att h\u00e5rdvaran best\u00e4lls f\u00f6rst och att fr\u00e5gan om el och kyla kommer upp n\u00e4r leveransen n\u00e4rmar sig. D\u00e5 \u00e4r det ofta f\u00f6r sent att l\u00f6sa det p\u00e5 ett bra s\u00e4tt. Planera d\u00e4rf\u00f6r hallen innan h\u00e5rdvaran.<\/p>\n<h2>Planera hallen innan h\u00e5rdvaran<\/h2>\n<p>Aixia \u00e4r Skandinaviens enda NVIDIA DGX SuperPOD-certifierade partner. Vi hj\u00e4lper till att planera AI-infrastruktur d\u00e4r effekt, kylning och placering \u00e4r en del av designen fr\u00e5n b\u00f6rjan, oavsett om utrustningen ska st\u00e5 i ert eget datacenter, hos en colocation-leverant\u00f6r eller i en kombination.<\/p>\n<div class=\"cta\">\n<p><strong>Boka en genomg\u00e5ng av era f\u00f6ruts\u00e4ttningar f\u00f6r AI-infrastruktur.<\/strong> Vi g\u00e5r igenom vad era lokaler klarar i dag, vilka system som passar och vad som kr\u00e4vs f\u00f6r att ni ska kunna v\u00e4xa med n\u00e4sta generation.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>An AI rack now consumes more power than an entire row of traditional IT equipment. Here\u2019s what has changed, why liquid cooling has become the standard, and why electricity\u2014not cooling\u2014is the real bottleneck.<\/p>\n","protected":false},"author":15,"featured_media":122143,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[60],"tags":[],"class_list":["post-122608","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"An AI rack now consumes more power than an entire row of traditional IT equipment. 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