HP Product Number: 512547-B21
Product Description: 146GB 6G 15,000 RPM, Hot Plug Serial Attached SCSI, 2.5-inch Small Form-Factor Dual Port Enterprise Hard Disk Drive.
Intended for HP ProLiant Gen8 Servers (but compatible with other items). Check with Maximum Midrange for further compatibility.
SAS (Serial Attached SCSI) is the next step up from the regular SCSI interface and improves on reliability, performance and scalability. They provide an infrastructure for both SAS and SATA drives as the SAS interface is compatible with SATA.
( Bare Drive PN 518022-002 )