Deliver peak performance from your laptop or desktop using this Seagate Barra Cuda 2. 5-inch 4TB laptop hard drive. Near-silent operation thanks to the 5400 rpm spindle speed lets you hear audio from your device and reduces the stress on the bearings, yet it still achieves a 140MB/sec. internal data rate and a 600MB/sec. external drive transfer rate. The light weight of just 190 grams ensures transport is simple. With Multi-Tier Caching technology, this Seagate Barra Cuda 2. 5-inch 4TB laptop hard drive combines high-capacity data storage and optimised dataflow to produce peak performance every time.