36.4GB Ultra 320 (U320) 3.5-inch SCSI Hot-Plug 15K Hard DriveIn HP Hot-Plug Hard Drive tray (as pictured)Genuine HP serial number and firmwareGenuine HP Certified Hard DrivePart Number(s)Option Part# 286776-B22Spare Part# 289241-001Assembly Part# 360209-003Overview:HP Compaq Hard Drives undergo an intense qualification process that eliminates data integrity problems firmware and O/S incompatibilities and other causes of data corruption or premature failure. HP Compaq Hard Drives are specifically designed and tested for flawless operation in your equipment. Supply your Proliant server a Genuine HP Compaq Hard Drive and you will prevent incompatibilities that can rob your system of performance or cause you to lose valuable data. This Hard Drive is designed for any Ultra320 Ultra3 or Ultra2 capable Proliant Server Proliant Storage System AlphaServer or StorageWorks Hot-Plug enclosure.Specifications:Category Proliant HardDriveSub-Category 15KGeneration Ultra320Part Number 360209-003-5PackProducts ID 454750Hot Swap Tray Included/AttachedCapacity 36.4GBHeight 1.0 inch/2.54cmWidth 4.0 inch/10.16cmInterface Ultra320 SCSIData Transfer Rate 320MB/sSingle Track Seek Time 0.55msAverage Seek Time 4.9msFull Stroke Seek Time 10.0msRotational Speed 15000RPMBytes/Sector 512Manufacturer HP/CompaqApplication Server StorageServer Type HP/Compaq ProliantBackward Compatability U2 and U3 SpeedsPre-Failure Warranty YesSpare Number 289241-0012-5-2 SKU 3R-A3849-AAData Storage Device Type SAS (Server Attached Storage)Hard Drive Device Type Hard Drive for Server/Storage Unit (HP)