Amazon.com: Hitachi Travelstar 7K500 500GB SATA / Serial ATA 2.5 Inch Notebook Hard Drive, 7200RPM 16MB, HTS725050A9A364 0A72335 Refurbished : Electronics
0J13965 - Hitachi Travelstar 7K500 Series 500GB 7200RPM SATA 3Gb/s 16MB Cache 512e 2.5-inch Hard Drive
H2T5001672S | Hitachi Travelstar 7K750 500GB 16MB Cache 7200RPM SATA 3GB/s 2.5-inch Hard Disk Drive