European 1MW rack - HDINI.pdf

1、European 1MW rack-HDINILuis Castrillo Senior Technologist at CastrolJon Summers Scientific Leader in Data Centers at RISECOOLING ENVIRONMENTS&LIQUID COOLINGTrends in power density,influence of AI models and workloadsConnect AI demands to 6G edge infrastructureInvesting in Cloud,Edge and the Internet

2、 of Thingshttps:/digital-strategy.ec.europa.eu/en/policies/iot-investingChallenges that need to be solved for this infrastructure to be deployedPower delivery with minimal losses for 1MW in a rack volume.Distribution of liquid cooling at high density.Emulation of next generation dense compute.Minima

3、l losses in the thermal chain from the chip to the point ofheat rejection/reuse.Stressing thermal energy recovery.The characters of this storyLets focus on the cooling-how we will solve itOn chipImmersionIn-house developed Chip Load Emulator by RISEHybrid liquid cooling(1P Immersion+1P DTC)On chipDT

4、C HEX1Imm HEXDTC HEX2405060Optimising for heat recovery exampleTesting rig to be ready soonThermal stack optimisation from TIM2 to heat rejection modelling is essentialChip(Silicon)TIM1IHSTIM2Heat sink/Cold plateCDUExternal Heat rejection/reuseunitTambient/rejectionTjunctionTcaseTcold plateTTCS_supp

5、lyTFWS_supplyTsiTTIM1Potential challenges and roadmapDTC only vs DTC+Immersion2025(H2)2028(H2)202720262028Performance vs efficiencyImprovement and cost of heat reuseActual power deliveryA single rack dissipating 1MW optimised for high-density compute and energy efficiencyPowerCoolingPower distributi

6、onServer coolingCooling distributionHeat reuse design1MWEuropean commitment to innovate and not only regulateWhen considering future 1MW rack deployments consider the innovation fromthe H-DINI project.Timeline to a demonstration is envisage