HDD 4 TB, WD44PURZ WD SATA3 ,IntelliPower rpm 128MB 5400rpm Purple

Supports 2.5 SATA hard disk drives of any capacity , Fast external access to the hard drive via USB port: real speed up to 30 MB/s, limited only by the USB 2.0 interface and your drive capability , Aluminium case provides the best heat dissipation and drive protection