Seagate Barracuda LP 2 TB 5900RPM SATA 3 GB/s 32 MB Cache 3.5-Inch Internal Hard Drive ST32000542AS-Bare Drive 5,900 RPM Spin Speed, 32 MB Cache Buffer, SATA 3Gb/s interface, 2 TB Capacity Super-low power consumption reduces power costs over the life of the system up to 50% over those of standard desktop drives Leading performance in the low power category Cool drives provide long-lasting benefits to the PC or external drive, reducing some component and maintenance costs.