Only tested printed in PLA with 0.1 layer height, 0.4 nozzle. Sliced with Cura with 0.8 shell and top/bottom layers, and 20 infill makes a more than strong enough part. The mounting holes for the drive bay are threaded for M3x0.5 case screws. The 2.5 mounting holes are unthreaded but will hug M3 so they don't fall out while mounting the SSD.