OptiPlex 7070 SFF NVMe Thermal Pad

Question

I added an NVMe to my OptiPlex 7070 SFF. The service guide mentions a thermal pad. I've found the part number G42TT/412-AAPU listed as the proper part number but it's not available for order in the US.

I can get a thermal pad from Amazon but what's the proper one? The ones I see are thin and the one pictured in the service guide is thick and looking at the spacing between the NVMe and motherboard it looks like I need a thick one, but I don't want to get one that's too thick.

Any suggestions?

bra51776 · Accepted Answer

@dittman1 I work on Dell 7070SFF's all day long. The thermal pad that comes with the system is 5mm thick, but I'm unsure of length of your particular nVME drive. The ones we get in are the small, squarish ones for the tiny 128GB drives. But I literally took a ruler to one just now. It's 5mm thick, for sure.

speedstep · Answer

Thermal Pad for all NVME Solid State Drives, MFF

https://accessories.ap.dell.com/sna/productdetail.aspx?c=th&s=bsd&sku=412-AAPU

Manufacturer Part# : G42TT
Dell Part# : 412-AAPU

Seems this is only available in Asia

Ask @DELL-Chris M or call dell spare parts

thermal pad is available 70mmx20mm

and thickness of 0.5mm, 1.0mm , 1.5mm, 2.0mm

https://www.amazon.com/dp/B07QH9G1YB

pad pad

dittman1 · Answer

Be warned there's an automated system that will keep sending message leading you to nowhere. Ignore those messages, they are just a waste of time. I ended up getting directed to the sales team which my post started of saying they were unable to provide me with any assistance.

So, does anyone have a workable solution?

DELL-Chris M · Answer

The SPMD does only shows this = 29GP9 = G42TT Thermal pad, MFF, 20X20X2.5 590FG = Thermal pad, SFF, 20X20X5.25

dittman1 · Answer

The 2mm and 2.5mm are too thin, I've tried one from Amazon. The 5.25mm looks like it might be about right, but the 20x20 doesn't sound long enough. It would be nice to see a picture of the real one.

I am wondering how well a thick thermal pad would conduct the heat to sink into the motherboard, it would probably be better to add a heatsink on top of the NVMe.

dittman1 · Answer

@bra51776, Thank you!

My NVMe is longer but as long as I get the right thickness I should be okay.

Have you looked at the temperatures for the bare card vs. one with the thermal pad, and have you tried a heatsink instead? If so, what were the results?

dittman1 · Answer

I bought a 5mm pad and cut out a proper-sized piece.  My NVMe temp is about 8C lower with the pad.

the_new_3 · Answer

Where were you able to find a 5mm thick thermal pad?

nhowardtx · Answer

The Dell P/N for the NVMe thermal pad in my new OptiPlex 7090 SFF is  590FG PAD,THRM,20X20X5.25,SFF,D9/P9 It looks like it is 20mm x 20mm x 5mm thick.

D.F.2025 · Answer

Thanks, this topic helped me a lot, which made me confident in buying and installing the Samsung 990 Pro 4TB NVMe PCI-e Internal Solid State Drive with Heatsink into DELL OptiPlex 7090 SFF. Actually, after opened the box of the SSD, found the heatsink was on the top of the SSD, so it was pretty easy to install it.

(edited)

Optiplex Desktops

OptiPlex 7070 SFF NVMe Thermal Pad

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