The little NGFF adapter that could...

[Kaspin]

I was at my local Fry's Electronics and saw this passive PCIe to m.2 adapter on sale for only $10.99 (I think it's normally $17.99) and decided to try it. It's intended for use in a 1u rackmount chasis, but no reason it shouldn't work in a MacPro. So small that it doesn't block the fan on my RX580.

The drive I'm using is a 500gb 960 Evo

 

[cdf]

Very nice! Even without a bracket, because it's so small, it looks solid enough not to dip into the 580's fan.

 

[bsbeamer]

Sapphire Pulse RX 580 8GB model?
Does it position JUST short of the fan opening/well in your machine?
No "dip" down at all?
Bottom fully smooth?

Looks to be this model for anyone interested:
https://www.amazon.com/dp/B07J6NHX8H