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Showing top 26 results for "Power and thermals"

tomshardware.com › tech-industry › semiconductors

SK hynix unveils 'iHBM' thermal architecture that cools AI memory at the source — integrated cooling elements inside HBM interface cut thermal resistance by 30%, target next-gen HBM5 accelerators and dense AI data centers

… Unlike conventional memory, HBM achieves massive bandwidth by vertically stacking multiple DRAM dies, dramatically shortening the distance data must travel and enabling far higher transfer speeds with better power efficiency. …

May 26, 2026 · Etiido Uko

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tomshardware.com › desktops › pc-building

Custom-built passive water-cooled PC relies on convection chimney effect powered by triple-stacked radiators — 9800X3D build with RTX 5080 has no fans, copper, and radiator chimney, but struggles to keep temperatures down

… This pulled over 450W of power and brought the radiator water temps up to 60C+, which is the maximum rated level for the pump. A throttling CPU was observed again in these tests. A full table of tests, power output, and temperatures is shared in the Reddit post embedded below. …

May 19, 2026 · Mark Tyson