Specifications: Product Number: 516816-B21 ; Generation: SAS ; Part Number: 516816-B21 ; Type: Hard Drive - Hot-Swap ; Capacity: 450 GB ; Interface Type: Serial Attached SCSI ; Spindle Speed: 15000 rpm ; Cache: 16MB ; Condition :New ; Usually Ships :Same Day ; Warranty : 3 Year ; Related products : Many more items can not be updated here in below product list, if you need any other part number, please contact us,we will quote you exclusively best price. 286714-B22 73GB 10K rpm 3.5inch SCSI Server Hard Disk Drive ; 357009-B21 73GB 15K rpm SCSI Server hard disk drive ; 286778-B22 73GB 15K rpm 3.5inch SCSI Server hard disk drive ; AD206A 146GB 15K rpm 3.5inch SCSI Server hard disk ; 286716-B22 146GB 10K rpm 3.5inch SCSI Server hard disk drive ; [Friend Technology Development Ltd.] specialize in the sale of Server Hard Disk Drive.{http://www.friend-it.com/HP-516816-B21-450G-15k-rpm-3-5inch-SAS-Server-hard-disk-drive-109.html} ; email: [email protected] ; Msn&mail: [email protected] ;[email protected] ; TEL:86-755-89909533 ; FAX:86-755-89909733 ;