Description:HP 20TB 3.5-inch SATA 6Gb/s 7.2K RPM Helium (He) Business Critical (BC) 512e Instant Secure Erase (ISE) Low Profile Carrier (LPc) Hot-Plug Hard Drive In HP G10 G10+ G11 (Gen10 Gen10-Plus Gen11) Hot-Plug Low Profile Carrier (LPc) (as pictured) Designed for select HP Proliant SATA Servers with 3.5-inch Low Profile Carrier (LPc) Drive Bays Genuine HP serial number and Digitally Signed firmwareGenuine HP Certified Hard DrivePart Number(s) Option Part# P53557-K21 Spare Part# P54673-001 Overview: HPE Business Critical Hard Drives are engineered to deliver the highest capacity performance reliability and data security across your data center applications. HPE Business Critical Hard Drives allow you to store more data without sacrificing performance or reliability. HPE Business Critical Hard Drives are available in both 3.5-inch Large Form Factor (LFF) and 2.5-inch Small Form Factor (SFF) and ship with a standard one-year warranty. All HPE hard drives pass a rigorous qualification process which certify that every drive is proven to perform in your HPE server and storage environments. All HPE hard drives include digitally signed firmware which helps prevent unauthorized access to your data. Specifications: CategoryProliant HardDrive Sub-Category7.2K GenerationSATA LPc Part NumberP53557-K21 Products ID734922 Capacity20TB InterfaceSerial ATA (SATA) EnclosureInternal Drive Dimensions3.5 inches x 1/3H (Low Profile) Spindle Speed7200RPM Data Transfer Rate6G = 6Gb/sec Seek Time8.5ms HotSwapYes ManufacturerHewlett Packard Pre-Failure WarrantyYes Hot Swap TrayIncluded/Attached [ Replacement Instructions ] Enlarge Image of Part# P53557-K21