Corsair Force LX CSSD-F256GBLX 2.5" 256GB SATA III MLC 7mm Internal Solid State Drive (SSD) 560MB/s Seq. Read , 300MB/s Write; 76K IOPS Random Read 70K IOPS Random Write. Replacing your mechanical hard drive with fast, reliable solid-state storage is a smart performance upgrade, and Force Series LX SSDs help make it easy. They have a slim 7mm form factor for compatibility with thin and light notebooks as well as standard desktop systems. SATA 3 support provides optimal speed on the latest systems, and backward compatibility with SATA 2 also makes them ideal for upgrading older PCs. And, driver-free installation helps you get up and running faster, too. It includes Corsair SSD Toolbox, our exclusive software for managing your Corsair solid-state drive and maintaining its performance.