840457-001 HP 3PAR 1.2TB 10K 6G 2.5 HOT-SWAP SAS 3PAR M6710
HP M6710 1.2TB 2.5-inch Serial Attached SCSI (SAS) SFF 6Gb/s Hot-Plug 10K Hard Drive In HP 3PAR Hot-Plug Hard Drive tray

Part Number(s)
Option Part# E7X49A
Spare Part# 840457-001