1TB Hard Drive for HP Desktop Pavilion a6838f a6847c a6857c&nbsp;a6863w a6834f a6827c Interface: SATA, Capacity: 1000GB, RPM: 5900RPM-7200RPM, Cache: 32MB, Size: 3.5 Inchs, 6.0Gb/s Package Include: Major Brand 1000GB 5900RPM-7200RPM 32MB Desktop Hard Disk Drive This Product Has 3 Years Warranty by Seller