This is not a "full" 5.25 adapter. It doesn't have the full size of a 5.25 device nor does it have all of the mounting points of a full size 5.25 device. Its does not work in various drive bay's, and will not work in some cases which utilize 5.25" mounting points this adapter does not have. As long as you understand it is an "adapter TRAY", you should be fine. Just need to know it isn't a full adapter.

As others have noted, there are few mounting hole options, but I was lucky in that they were ok for the tray mount in my Optiplex 760 desktop - i.e. 2 of 4 inside pegs on the tray fitting (tightly) into tray side holes are adequate to hold such a lightweight drive. My issue was that the Optiplex tray bracket includes a fan that blows up at the bottom of the drive, which is good for a full-size HDD, but not so important for an SSD (I think). Still, I wanted the fan to be unimpeded by the solid bottom surface of the Insignia adapter tray, so I ended up drilling several 3/8" holes to allow that. Might be good for longer life of SSD, and should not hurt it. See attached pics.

Not much to say. It's a piece of metal that allows you to install an SSD or laptop HDD in a full size computer. I bought it to use with an SSD I purchased. Once I removed the harness and figured out the right direction to mount it, it was fairly simple, and did the trick. (Much better than just leaving the drive hanging loose inside :o) )

I bought this SSD Mount to use my Samsung Evo 850 on my desktop computer. It was easy to install and works as advertised. The price was good and the store pickup I used was easy.. I would recommend this to anyone who needs to use a 2.5 inch hard drive on a desktop PC.

I used this to install a 500Gb SSD into my tower PC. All the holes lined up perfectly with these and the tower. It came with all the necessary screws.