The Crucial CRU10009 2.5" SATA SSD is your gateway to a more powerful, faster & reliable computer performance. Super SSD The 256 GB SSD offers performance gains for SATA 6 Gb/s systems with ultra fast speeds, performing at up to 500MB/s sequential reads. The CRU-10009 treats compressed & uncompressed files the same way for a reliably faster operation. The SSD is engineered with advanced controller technology & Micron proprietary firmware & utilises high-speed synchronous MLC N&. The powerful & speedy Crucial CRU10009 2.5" SATA SSD is optimised for both PC & Mac systems.