GIGABYTE GP-GSTFS31256GTND Solid State Drive, 256GB Capacity, 2.5-inch Internal SSD, SATA 6.0 Gb/s Interface, up to 520 MB/s Sequential Read Speed, Shock Resistant up to 1500g/0.5ms Note: 1GB = 1 billion bytes. Actual useable capacity may vary Speeds based on internal testing. Actual performance may vary Key Features Form Factor 2.5-inch internal SSD SATA 6.0 Gb/s Interface Total Capacity of 256GB Sequential Read speed up to 520 MB/s; Sequential Write speed up to 500 MB/s TRIM & S.M.A.R.T supported Specifications Interface: SATA 6.0 Gb/s Form Factor: 2.5-inch internal SSD Total Capacity: 256GB NAND: NAND Flash External DDR Cache: N/A Sequential Read speed: Up to 520 MB/s Sequential Write speed: Up to 500 MB/s Random Read IOPS: up to 80k Random Write IOPS: up to 85k Dimension (W x H x L): 69.85 x 7 x 100 mm Mean time between failure (MTBF): 2M hours Power Consumption (Active): Average: R: 2240m W ; W: 2610m W Power Consumption (Idle): 170m W