Amazon.com: Seagate ST320DM000 Barracuda 320GB 3.5 Inch SATA III 7200RPM Internal Hard Drive : Electronics
Seagate Barracuda 7200 320GB ST3320813AS 3.5" SATA II Hard Drive | eBay
NeweggBusiness - Seagate BarraCuda 7200.12 ST3320418AS 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
Cheap Seagate ST3320620AS 320GB 7.2K RPM SATA II | Refurbished
Seagate 3.5'' 320gb Sata 6gb/s 7200rpm Internal Hdd Mechanical Hard Disk 16mb Buffer For Desktop Pc Computer Disco Duro Interno - Hard Disk Drive - AliExpress