WD Purple 4 TB Hard Drive - SATA (SATA/600) - 3.5" Drive - Internal - 64 MB Buffer - 20 Pack
20PK 4TB PURPLE SATA GB/S
Technical Specifications:
Storage Capacity: 4 TBSpindle Speed (rpm): 5400Buffer: 64 MBWireless LAN: NoDrive Interface: SATADrive Interface Standard: SATA/600Drive Type: InternalForm Factor: 3.5"Durability: Tarnish ResistantHeight: 1"Width: 4"Depth: 5.8"Weight (Approximate): 1.50 lbEnvironmentally Friendly: YesEnvironmental Certification: RoHS, WEEE, China RoHSDevice Supported: Network Video RecorderCountry of Origin: Thailand