Seagate Cheetah 15K.6 - Hard drive - 450 GB - internal - 3.5" - SAS - 15000 rpm - buffer: 16 MB - ST3450856SS Seagate-IMSourcing Cheetah 15K.6 ST3450856SS 450 GB 3.5" Internal Hard Drive, SAS, 15000 rpm, 16 MB Buffer, 1 Pack