HGST Z5K500-500 500GB 8MB SATA 3GB/s 2.5" 5400 RPM Hard Drive H2T5001654S7 | eBay
MQ01ABF050-B2 Toshiba Mobile Thin 500GB 5400RPM SATA 6Gbps 8MB Cache (512e) 2.5-inch Internal Hard
Tech-America.com
Refurbished: Toshiba 2.5" Internal Hard Drive 500GB 5400RPM 8MB Cache SATA 3Gb/s 7pin HDD for PC, Laptop or Notebook, HDKEB03Z2A01 MQ01ABD050V Other Computer Accessories - Newegg.com
Amazon.com: WL 500GB 16MB Cache 5400RPM SATA II (3.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty : Electronics
Western Digital 500GB Mobile 7.00mm Hard Disk Drive 5400 RPM SATA 6 Gb/s 2.5 Inch PN: WD5000LPVX-00V0TT0, WD5000LPVX00V0TT0 | Western Digital | happyATMs.com
516004-052 HP 500GB 5400RPM SATA 3Gbps 8MB Cache 2.5-inch Internal Hard Drive
Seagate 500GB Laptop Hard Drive Disk 500 GB 2.5" Internal HDD HD Harddisk SATA III 6Gb/s 16M Cache 7mm 5400RPM for PS4 Notebook