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October 2nd, 2025 10:03
Heatsink R640
Hello colleagues,
I have a problem. I need to install an ‘Intel Xeon Gold 6134 8-Cores 24.75MB Cache 3.2GHz 130W TDP’ processor in an R640 server,
R640 server, but I received this C6R9H heat sink and I am looking for information. It says that it supports 125W and not 165W. I have searched official sources
and they do not confirm that it is suitable for this. Could someone help me and confirm whether it supports 165W or only 125W?
Thank you very much in advance.
Best regards
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DELL-Charles R
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October 2nd, 2025 17:02
Either heat sink could work since processor is 130W but you should be ok with PN#0F8NV
Heat sink options
There are two types of heat sink available on PowerEdge R640
● 2-pipe heat sink - Used in systems with CPU more than 150 W
● Standard heat sink 1 - Used in system with CPU less than or equal with 165 W
Processor part number#VFV0H - ASSY,PRC,6134,3.2,24.75MB,FRU
Intel, 3.2GHz, 24.75MB, FSB 10400MHz, 130W, Xeon Gold 6134,
Standard heat sink 1 - Used in system with CPU less than or equal with 165 W
Part #:0F8NV
Part Desc.:ASSY,HTSNK,CPU,STD,1U,R640/740
DELL-Erman O
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October 2nd, 2025 14:34
Hello,
I see that this part is compatible with R640. I also see another heatsink that I think is compatible with it. I think it will support it depending on the fan configuration. Dell EMC PowerEdge R640 Technical Specifications | Dell US
Hope that helps!
edwinpallo
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October 2nd, 2025 14:42
Thank you for your reply.
I know they are equivalent, but I see that some are for 125W (0F8NV) and the other says 125W (C6R9H), and unofficial websites say that it supports 165W. That was my question: does C6R9H support up to 165W or is it limited to 125W?
Best regards.
DELL-Charles R
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4.6K Posts
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October 2nd, 2025 15:37
Hello,
Heat sink options
There are two types of heat sink available on PowerEdge R640
2-pipe heat sink - Used in systems with CPU more than 150 W
Part #:C6R9H
Part Desc.:ASSY,HTSNK,CPU,1U,PIPE,R74/640
Standard heat sink 1 - Used in system with CPU less than or equal with 165 W
Part #:0F8NV
Part Desc.:ASSY,HTSNK,CPU,STD,1U,R640/740
https://www.dell.com/support/manuals/en-us/poweredge-r640/per640_ts_pub/thermal-restrictions?guid=guid-93fff3dd-23d6-4c73-9995-5f1fa1a359cd
DELL-Charles R
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October 2nd, 2025 16:01
Could you provide a link to the information you found? I want to compare it to what I see for verification.