IBM 44T2216 2.5 SAS SATA Hard Drive Tray x3550 x3650 x3500 x3400 M3 M4 HS12 HS22

Compatibility (The following list is not a complete list)

IBM x3850 X5,  x3950 X5,

x3650 M3 (7945), x3650 M2 (7947),

x3550 M3 (7944), x3550 M2 (7946),

x3500 M3 (7380), x3500 M2 (7839),

x3400 M3 (7378/7379), x3400 M2 (7836,4193),

x3250 M3 (4251, 4252), x3200M3 (7327, 7328)

All xSeries M3 and M4 servers that use 2.5" hotswap SAS/SATA drivesBlade Center

HS12 (1916, 8014, 8028)

Blade Center HS22 (7870, 1936)