Brand 500GB Hard Disk Drive/HDD for HP Pavilion dv4-1000 dv5-1000us g70 tx2000 Interface: SATA, Capacity: 500GB, RPM: 5400RPM, Cache: 8MB, Size: 2.5 Inchs Package Include: 500GB 5400RPM Internal Hard Disk Drive This Product Has 3 Years Warranty And 30 Days Money Back Guarantee