Specification : Samsung SSD 860 EVO 250GB NEW Type Series SSD 860 EVO Usage Application Client PCs Interface SATA 6 Gb/s Interface, compatible with SATA 3 Gb/s amp; SATA 1.5 Gb/s interface Storage Capacity 250 GB (1 GB=1 Billion byte by IDEMA) * Actual usable capacity may be less (due to formatting, partitioning, operating system, applications or otherwise) Key Features Sequential Read Speed Up to 550 MB/s Sequential Read * Performance may vary based on system hardware amp; configuration Sequential Write Speed Up to 520 MB/s Sequential Write * Performance may vary based on system hardware amp; configuration Random Read Speed Random Read (4KB, QD32): Up to 98,000 IOPS Random Read Random Read (4KB, QD1): Up to 10,000 IOPS Random Read * Performance may vary based on system hardware amp; configuration Random Write Speed Random Write (4KB, QD32): Up to 90,000 IOPS Random Write Random Write (4KB, QD1): Up to 42,000 IOPS Random Write * Performance may vary based on system hardware amp; configuration Controller Samsung MJX Controller NAND Flash Samsung V-NAND 3bit MLC Cache Memory Samsung 512 MB Low Power DDR4 SDRAM Trim Support Yes AES Encryption AES 256-bit Encryption (Class 0)TCG/Opal IEEE1667 (Encrypted drive) S.M.A.R.T. Support Yes GC (Garbage Collection) Auto Garbage Collection Algorithm WWN Support World Wide Name supported Device Sleep Mode Support Yes Internal Storage Yes