Intel 545s 256GB. Solid-state drive capacity: 256 GB, Solid-state drive interface: Serial ATA III, Read speed: 550 MB/s. SSD form factor: 2.5", Color of product: Silver. Power consumption (idle): 0.05 W, Power consumption (average): 4.5 W. Height: 0.276" (7 mm). Uncorrectable Bit Error Rate (UBER): <1 sector per 10^15 bit read