Seagate Constellation.2 ST9500620NS 500GB 2.5 SATA HDD 6Gb/s 7.2K 64MB Cache
HP 500GB 3Gb/s 7.2K 2.5-inch SFF SATA Midline (MDL) Hard Drive In HP Quick Release Carrier (QR) Genuine HP serial number and firmware Genuine HP Certified Hard Drive

Part Number(s)
Option Part# 574953-B21
Spare Part# 575054-001
Assembly Part# 507749-001
Assembly Part# 614828-002
Model# MM0500EANCR
Model# ST9500530NS
Model# ST9500620NS