HP 652572-B21 450GB 10K SFF Enterprise 6G Smart hard disk driveHP 450GB 6G SAS 10K SFF (2. 5 inch) SC SMART Enterprise Hard Drive Model Number : EG0450FBDBT, EG0450FBVFM, EG0450FCHHT, EG0450FCVBH Spare : 653956 001, 581310 001 Option PN : 652572 B21, 581284 B21 GPN 507129 011, 507129 012 ASSY PN : 597609 002, 599476 002, 619286 002, 666355 002, 641552 002, 693569 006, 693569 002 Drive Model : ST450MM0006 For Servers : G8 and G9 HP Certified Disks with a 2 year warranty Compatible with the following Proliant