The M500 SSD uses a SATA 6Gb/s controller combined with Micron’s custom firmware to deliver up to 80,000 input/output operations per second (IOPS). The drive’s sequential read and write speeds reach up to 500 MB/s and 400 MB/s, respectively. The 2.5-inch drive will be available in 120GB, 240GB, 480GB and 960GB capacities. The smaller M.2 and mSATA form factors will be available in 120GB, 240GB and 480GB capacities. The 2.5-inch Crucial M500 SSD is expected to be available for purchase in the first quarter of 2013.