The Apacer AS340 has a SATA III interface and sequential read and write speeds of up to 550 / 550 MB/s, 3D TLC NAND flash, 40°C ~ +85°C storage temperature, advanced wear-leveling & up to 72bit/1KB ECC function, 2.5 inch form factor. 0~2000Hz vibration, KCC / CE / FCC / VCCI / RCM / BSMI certificate, (L)100 x (W) 69.9 x (H) 7mm dimension