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Old 02-04-2015, 10:44 PM
Location: Tyler, TX
15,210 posts, read 18,497,278 times
Reputation: 8052


I have two servers running identical LSI RAID cards. One of them is a 4u server running 8 SSD drives. The other is a 2u server running 8 HDDs.

The RAID card in the 4u system runs at around 66 degrees fairly consistently. The card in the 2u system runs between 98 and 103 degrees. I know that the card is supposed to be able to run at 115, technically, but a thirty-five degree difference for the same component in two servers in the same rack tells me that there's not enough air flow in the 2u case, which was a concern to begin with. I did what I could to clean things up inside the case and let air move, but it wasn't good enough.

Has anyone ever rigged anything or seen a product designed to cool a card in this scenario? The card is installed into a riser card and is face down over the motherboard, covering the other slots. Moving to a taller case isn't an option - the rack is maxed out completely and I have no room for another.

I can't provide pics right now because the machine is in production, but I plan on rearranging the rack this weekend and can get some pics then.
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