04-27-2022, 03:27 PM
Hi Cybhashcat,
This is partly true and therefore your vendor has indeed some truth in their statement on the 2U 8GPU Gigabyte servers. First thing is you will have to fit blower design cards with power connectors on the rear of the card. Such as the Asus Turbo GeForce RTX 3080 Ti 12G or the Gigabyte GeForce RTX 3080 TURBO 10G (or utilize a soldering iron }> ). Secondly there is another important issue with this setup: the chassis has been designed with dual direction passively cooled GPUs in mind. The front GPU canisters of the chassis install the GPUs reversed(!) therefore the airflow of an actively cooled blower design card will be trying to push air against the air direction of the Chassis fans and therefore will have a terrible (short and hot) life as hot air is being recycled and the GPU fan will have to fight very hard against the more serious chassis fan. It is actually a wonder that it has been working for you! You can resolve this by removing the cap and the fan of the GPU making it a passive two way air card, but this will most certainly void your warranty. This method works fine for cards up to 250W but I'm unsure about these power hungry beasts. I have been unable to find the GPU-power specifications of these chassis anywhere but I do know that the cable dimensions of the 8 pin power connectors are quite undersized in my opinion therefore I'm not sure weather you can safely house cards above 300W. One more additional note: these chassis have an undocumented side air intake which provides the rear GPUs with "fresh" air rather than reuse warmer air from the front GPUs. This is a good approach as long as your rack is able to supply cold air on the sides of the chassis, if not you will be recycling (quite) hot exhaust air from the rear of your racks.
I hope this helps!
This is partly true and therefore your vendor has indeed some truth in their statement on the 2U 8GPU Gigabyte servers. First thing is you will have to fit blower design cards with power connectors on the rear of the card. Such as the Asus Turbo GeForce RTX 3080 Ti 12G or the Gigabyte GeForce RTX 3080 TURBO 10G (or utilize a soldering iron }> ). Secondly there is another important issue with this setup: the chassis has been designed with dual direction passively cooled GPUs in mind. The front GPU canisters of the chassis install the GPUs reversed(!) therefore the airflow of an actively cooled blower design card will be trying to push air against the air direction of the Chassis fans and therefore will have a terrible (short and hot) life as hot air is being recycled and the GPU fan will have to fight very hard against the more serious chassis fan. It is actually a wonder that it has been working for you! You can resolve this by removing the cap and the fan of the GPU making it a passive two way air card, but this will most certainly void your warranty. This method works fine for cards up to 250W but I'm unsure about these power hungry beasts. I have been unable to find the GPU-power specifications of these chassis anywhere but I do know that the cable dimensions of the 8 pin power connectors are quite undersized in my opinion therefore I'm not sure weather you can safely house cards above 300W. One more additional note: these chassis have an undocumented side air intake which provides the rear GPUs with "fresh" air rather than reuse warmer air from the front GPUs. This is a good approach as long as your rack is able to supply cold air on the sides of the chassis, if not you will be recycling (quite) hot exhaust air from the rear of your racks.
I hope this helps!