Crucial hits back with a new line of 2.5-inch SSDs, the M550. Coming in capacities ranging from 128GB to 1TB, these SSDs are packed with MLC NAND Flash memory chips, a SATA 6.0 Gbps interface, a Marvell-made controller, TRIM support and capable of delivering read and write speeds of up to 550MB/s and 500MB/s, respectively. Prices unannounced yet. [Crucial]