HDD WD Caviar Green 3TB 7200/SATA3/64MB WD30EZRX

Rotational Speed: IntelliPower 
: Buffer Size: 64 MB 
Transfer Rates 
: Buffer To Host (Serial ATA): 6 Gb/s (Max) 
Physical Specifications: 
: Formatted Capacity: 3, 000, 592 MB 
: Capacity: 3 TB 
: Interface: SATA 6 Gb/s 
: User Sectors Per Drive: 5, 860, 533, 168