PHDD-2A00 Product Type : Hard Disk Original Manufacturer : Western Digital Original Model : WD101KRYZ Description : WD WD101KRYZ 10TB 3.5" Hard Disk Drive, 7200 RPM 256MB Cache(for GNR-310, GNR-320, INR-100, INR-340, INR-430, INR-440, INR-450, INR-460) Capacity : 10 TB Form Factor : 3.5 Inch RPM : 7200 RPM Interface : SATA 6 Gb/s Cache : 256 MB