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Very happy with this product with one small exception. It is fast and seems pretty reliable - good thermal pad making direct contact with the SSD and a hefty aluminium body to act as a passive heatsink. Sustained transfer speeds across the USB bus to another nvme SSD were >150MB/s across a bunch of file sizes, which is pretty solid performance.
One minor peeve: the instructions suggest that the unit should come screwed together with 4 screws. Mine wasn't - I opened the box and two screws came tumbling out - maybe the other two rolled away before I spotted them. This is a minor issue to me as there were spares in a bag, but really would be better to put all the screws in the bag in the first place since the case needs to be opened up anyway.
All in all a worthwhile purchase and much better than the slightly cheaper ugreen which barely works.