250GB Capacity, SATA 3GB/s Interface, 7200RPM Spin Speed, 8.9ms
320GB Western Digital WD3200 Caviar Blue, SATA 3Gb/s, 7200rpm, 16MB Cache, 8.9ms
Capacity:1TB
160GB Western Digital WD1600AA Caviar Blue, SATA 3Gb/s, 7200rpm, 8MB Cache, 9ms
Up to x10 the data throughput of existing USB2.0, SuperSpeed USB3.0 allows up to 5Gbps transfer speeds to your existing USB3.0 interface but at the same time being totally USB2.0 compatible so to protect your existing hardware.