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Western Digital Caviar Blue 320GB 7200 RPM 3.5" HDD - Newegg.com
Seagate ST9320421ASG 320GB SATA Hard Drive
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
WD Blue 320GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5
Seagate 320GB Laptop Thin Internal Hard Disk Drive ST320LM010