PC Internal laptop hard drive

PC DVR Internal 500GB laptop hard drive with SATA or PATA interface WD5000AAKX 1: Product Item New original hard disk WD blue 500GB SATA Desktop PC 3.5' Internal Hard Disk Drive 2: Quick Detail: Brand Name: Original brand Type: Internal hard disk for desktop HDD Capacity: 500B (20gb-4tb available) Warranty: 3-24months Interface: SATA Size: 3.5inch Speed: 7200rpm Cache: 64MB Weigh: 0.55kg Color: Caviar Blue Package: 20pcs/carton Carton size: 49cm x 28cm x 21cm Description WD