Product specification:Interface: MSATAFlash memory: Level 1 TLC or MLC 3D flashReader: TRIM command, S.M.A.R.T. control system, ECC technologyCertification: TAA, RoHS, FCC, CE, WWNOperating temperature: 0 - 70Storage temperature: -40 - 85Speed Details:The speed of our SSD is as follows:32 GB read 200 MB / s write 150 MB / s64 GB read 400 MB / s write 250 MB / s128 GB read 450 MB / s write 400 MB / s256 GB read 500 MB / s write 450 MB / s512 GB read 530 MB / s write 450 MB / s1TB read 550MB / s write 450MB / s2TB read 550MB / s write 450MB / sRemark:The larger the capacity of the SSD, the faster its speed. The above data is also related to other hardware devices in the computer. If the configurations of other hardware are high, the speed will be faster. But if the settings are low, the speed will be slower.