I was able to make it work. Even though Lenovo cannot find the part numbers or help you order the mounting bracket that works in the internal drive bay, you can make do without. To keep the drive from shifting left/right, screw in two mounting screws...

As other reviewers have said, the drives do not fit in this adapter by default. It requires the custom kit that is used to mount the original drive for the drives to be snug in this housing. It does not work with off-the-shelf 2.5" drives without this...

When you put a HDD drive into the tray, there is no way to screw or secure the drive. It will fit snugly into the SATA connector, but then it just flops around in the tray. This is especially pronounced when you pick the laptop up and put it into a...

I bought this for a W540. My previous ThinkPads all had hot swappable UltraBays this one doesn't; you have to shut down and take off covers screws, etc. I installed it with a Seagate SSD and all was well until I moved the computer. The drive...