The premier pro sp600 sata iii 6gbs ssd implements the latest firmware optimization techniques and is comprised of strictly selected flash memory chips powered by the jmicron controller it offers outstanding performance with sequential read and write speeds of 440 and 140 mbsecond and 4kb random readwrite speeds of up to 55 00036 000 iops it is the best storage solution choice for consumers considering a first time hardware upgrade delivering you into the new world of solid state