Amazon.com: 250 GB 5400 RPM Hard Drive : Electronics
goHardDrive.com - Seagate Momentus Thin ST250LT012 250GB 5400RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive (Certified Refurbished)- w/1 Year Warranty
Western Digital Scorpio Blue WD2500BPVT 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive Laptop Internal Hard Drives - Newegg.com
NeweggBusiness - TOSHIBA MK2552GSX(HDD2H02) 250GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5" Notebook Hard Drive Bare Drive
White Label 250GB 8MB Cache 5400RPM SATA 3.0Gb/s 2.5" Notebook Hard Drive w/1-Year Warranty