Description:HP 4TB 3Gb/s 7.2K 3.5-inch LFF SATA Midline (MDL) Hard Drive In HP Quick Release Carrier (QR) (as pictured) Genuine HP serial number and firmware Genuine HP Certified Hard Drive Part Number(s) Option Part# 766419-B21 SmartBuy Part# 766419-S21 Spare Part# 767206-001 Assembly Part# 695503-008 Model# MB4000GCWDC Overview: HP SATA Hard Drives are designed for the reliability and larger capacities demanded by today's entry server and external storage environments. HP SATA Midline Hard Drives are designed with economical reliability and performance for external storage backups and archival applications. Midline SATA Hard Drives provide the best price advantage for non-mission critical applications with low workloads of 40% or less. Specifications: CategoryProliant HardDrive Sub-Category7.2K GenerationSATA QR Part Number695503-008 Products ID700672 TypeHard Drive - Quick Release Large Form Factor3.5 inches Capacity4TB Interface TypeSerial ATA Connector22-Position Serial ATA (SATA) Plug Data Transfer Rate3GB/s Spindle Speed7200RPM Native Command QueuingSupported Bytes/Sector512 [ Replacement Instructions ] Enlarge Image of Part# 695503-008