1500 GB Seagate Barracuda 7200.11 - ST31500341AS 7200 RPM 32MB Cache SATA 3.0 Gb/s 3.5" Hard Drive
500 GB Seagate Barracuda 7200.10 - ST3500630AS 7200 RPM 16MB Cache SATA 3.0 Gb/s 3.5" Hard Drive
320 GB Seagate Barracuda 7200.10 - ST3320620AS 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive
2.0 TB Western Digital Caviar Green - WD20EARS 5400 RPM 64MB Cache SATA 3.0Gb/s 3.5" Hard Drive