Black Diamond Memory Sonic Series BDSSDS256G 2.5 256GB SATA III Internal Solid State Drive Max Sequential Read: Up to 520 MBps Max Sequential Write: Up to 470 MBps MTBF: 2,000,000 hours Controller: Marvell 88SS9188 Operating Temperature: 0°C ~ +70°C Height: 7.00mm Width: 69.86mm Depth: 100.50mm