I'm interested in purchasing two CSE-M28E1-E2 bays; the manual and specifications say it holds 2.5" drives, but there are several sizes among those drives: 7mm, 9.5mm and 12.5mm - which of these will fit? This is important because high-capacity 2.5" drives are 12.5mm thick, unlike most 2.5" drives.
15mm is the maximum thickness that we recommend for 2.5" drives for this mobile rack as well as for the CSE-M14T.