Hitachi HGST 5K500 B-500 500Gb 2.5" SATA Notebook Hard Drive | A1 Used Computer Systems – Computer Parts, Repair Services
Amazon.com: HP 500 GB Internal Hard Drive 500 SAS 64 MB Cache 2.5-Inch Internal Bare or OEM Drives : Electronics
STTBSKD2_EMC1200 – EMC 1.2TB 10K RPM SAS 2.5″ HDD for Unity 300, 400, 500, 600, 25 slot enclosures , 0 power on hours, 1 year warranty. – Disk Drive Finder
Renewed Western Digital 500gb 2.5" SATA Notebook Hard Drive - 5400rpm