Western Digital WD3200BVVT 320GB 8MB Cache 5400RPM SATA 3.0Gb/s 2.5" Notebook Hard Drive (For PS3, PS4 & Laptop) - w/ 1 Year Warranty 320GB Capacity Rotation Speed: 5400RPM 8MB Buffer Size Interface: 2.5" SATA 3.0Gb/s Laptop Hard Drive Warranty: 1 Year Warranty from Reseller