WD Red 1TB SATA III 3.5" Hard Drive WD10EFRX 5400RPM, 64MB Cache PC NAS Ware 3.0
MPN: WD10EFRX Model: WD10EFRX. Interface: SATA III Rotation Speed: 5400RPM. Users can easily boost the storage on a PC with this desktop internal hard disk drive that features native command queuing for greater efficiency.