The Travelstar 5K160 series includes models with capacities of 40, 60, 80, 120 (the one we are about to test), and 160 gigabytes. The 120GB model has two platters and four heads. Its spindle rotation speed is 5400rpm and it has an 8MB cache buffer. Our model is equipped with a PATA interface. Its average seek time is no higher than 11 milliseconds. The drive can sustain an operating shock up to 325G and a non-operating shock up to 1000G.