2.5" /9.5mm 2ND HDD HARD DRIVE caddy for Dell Latitude E6400 E6500 E6510 E6410 E4300 E4310 Add this caddy to your notebook to give you another hard drive. This is a good working adapter and is guaranteed. Plug & Play, supports hot swapping; Fast & Reliable connection in laptop, no cables/PSU/software driver needed Uses 2.5" /9.5mm SATA hard drives. Compatible Models (include but not limited):DELL LatitudeE6400 E6500 E6410 E4300 E4310. DELL Latitude E6400 E6500 E6410 .DELL Precision M2400 M4400