Western Digital Caviar Black 1TB SATA Hard Drive Features & Specifications - Capacity: 1,000,204 MB (1tb) - Size: 3.5″ - Cache: 32 MB - Interface: 3 Gbps SATA - Rotational Speed: 7200 RPM - Load/unload cycles: 5,000 - Power requirements: 2.075A peak, 8.4W read/write, 7.8W idle, 1W standby - Shock resistance: 30G for 2ms during read, 65G for 2ms during read/write, 250G for 1 ms while non-operational - Acoustics: 24 dBA idle, 33 dBA performance seek, 29 dBA quiet seek - Warranty: 5 years - Dual processors - StableTrac, NoTouch ramp load technology - Perpendicular Magnetic Recording - Includes a SATA cable and drive screws