1U EPYC Server with FH, FL PCIE Slot for GPU?

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chriscambridge

chriscambridge

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Jan 12, 2017
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Cambridge, UK
Anyone know of any EPYC Servers that can take a single FH, FL GPU, preferably a GTX/RTX consumer card?

I was looking at the Supermicro A+ Server 1014S-WTRT, which has the FH, FL slot, but I cannot see any PCIE power cables from the PSU. Also the specs say it is only rated for the Tesla T4 GPU (which draws the 75w from the PCIE slot).


Thanks for any guidance on this..
 
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BlueFox

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Supermicro Ultra line has power connectors for GPUs. You are limited to 9.5" length however (Intel SKUs get you to 10.5"). They're hard to find unfortunately since they're only sold as full system with CPU/RAM/drives.
 
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nivedita

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Dec 9, 2020
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For the cable, Supermicro has a few GPU power cables (on their eStore) that convert 8-pin CPU or 4-pin Molex to PCIe power, or you could find any number of generic cables. The issues will more likely revolve around physical space and cooling. Consumer GPUs have their power connectors on the top of the card, so there may be an issue with having enough space to squeeze in the power cable in anything less than a 4U chassis, especially since consumer GPUs tend not to strictly respect the PCI full-height limit: you should at least stick to the standard NVIDIA design or check heights carefully. In 1U, a double-width card might have problems with getting enough airflow unless it's a server style card with passive heatsink + high-speed chassis fans to push air through it.

A single-slot card with a blower-type cooler like the Quadro P4000/RTX 4000 will likely work fine in that chassis though.

Supermicro has a table listing mechanical space on various servers. The Ultra servers generally accommodate 1 GPU in 1U, but it looks the EPYC versions have less space available (9.5in vs 10.5in) so they wouldn't fit a regular dual-slot GPU which is usually 10.5in. All their purpose-built GPU servers look like they're Intel-based.
 
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