Designed for high-end computing on client PC's. Its powered by Samsung's own V-NAND technology which delivers higher density and faster write speed compared with traditional 20 nm planar NAND flash. Exceptional performance with blazing fast read/write speeds. Efficient power management with low active write power consumption and device sleep mode (2mW). Type - 2.5". SATA III Solid State Drive. Capcity - 256GB. Sequential Read Speed - Up to 550 MB/s. Sequential Write Speed - Up to 520 MB/s