Cooling a RAID controller in a PC case - help

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Freebsd1976

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Feb 23, 2018
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I use this to cooling my 100G nic and raid card (both of them under 45C on full load), but it need you pc case is big enough , since it need install on top of pci solts
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Stephan

Stephan

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Apr 21, 2017
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I am using a "Titan TTC-SC07TZ" with a single 92mm Noctua at 800rpm. I opened up the Titan's metal enclosure and pulled the electronics out because I am just using a silent fixed-rpm fan connected to the motherboard. So in effect I am just using it as a fancy fan holder.

Basically anything >500rpm is enough for this type of card when blowing straight at it. As opposed to blowing at it sideways which may need more rpm and produce more noise.
 
Boddy

Boddy

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Oct 25, 2014
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Freebsd1976 said:
I use this to cooling my 100G nic and raid card (both of them under 45C on full load), but it need you pc case is big enough , since it need install on top of pci solts
View attachment 20889

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Thanks Freebsd 1976, but I could not see an English version of website.
 
Boddy

Boddy

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Oct 25, 2014
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Stephan said:
I am using a "Titan TTC-SC07TZ" with a single 92mm Noctua at 800rpm. I opened up the Titan's metal enclosure and pulled the electronics out because I am just using a silent fixed-rpm fan connected to the motherboard. So in effect I am just using it as a fancy fan holder.

Basically anything >500rpm is enough for this type of card when blowing straight at it. As opposed to blowing at it sideways which may need more rpm and produce more noise.
Click to expand...
Thanks Stephan for your suggestion, is the model you quoted the dual fan one? With a dual fan model, do you suggest having one card at 90 degrees or just flat? I hear RAID controllers can get hot, but I don't think I will be stressing it out if only reading SMART data. I think I will keep original fans. Aliexpress has this model: 25.11US $ |Fan titan ttc sc07tz(rb) pci slot fan 3 pin 15 28db 263gr ret|Fans & Cooling| - AliExpress
 
Stephan

Stephan

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Apr 21, 2017
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Yes, dual fan. But since the SAS controller chip with heatsink is relatively in the middle of a half height half length PCIe card, you can leave out the 2nd fan because if you look at the pictures, that 2nd fan is screwed onto 1st fan with separate brackets. So optional. The 1st fan alone will blow nicely onto heatsink, no need for 2nd at all.

Original fan should be ok, but if you use the adjustable rpm electronics check with a laser rpm meter if you have one how fast at slowest speed the fan is rotating. To guard against user error. In my experience anything above 600-800 rpm is already plenty. The SAS chip does require airflow, but not all that much really. But it does require some positive air pressure to get rid off the 9-15 watts tdp.

Personally I like fixed rpm better but I went totally overboard with the existing Aquaero 6 in the case, with 3-pin 92mm Noctua fan ramped up/down under control of one of Aquaero's temperature sensors stuck in between heatsink of the SAS controller chip and the PCB, fixed with a zip tie.
 
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JoshDi

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Jun 13, 2019
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This option looks like a good one. I've also used superglue in the corners of a small 40 or 60mm fan on top of the heatsink of my LSI SAS card as a kind of hack.

your method is better though since it will cool all of the PCIe devices.
 
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