TRANSCEND MSA220S 128GB SSD disk mSATA, SATA III 6Gb/s (3D TLC), 560MB/s R, 500MB/s W Features 3D NAND flash memory Advanced Global Wear-leveling and Block management for reliability Built-in LDPC ECC (Error Correction Code) functionality Supports Advanced Garbage Collection, S. M. A. R. T. function, and Security Command Supports TRIM and NCQ commands Appearance Dimensions 50.8 mm x 29.85 mm x 4.85 mm (2.00" x 1.18" x 0.19") Weight 8 g (0.28 oz) Interface Bus Interface SATA III 6Gb/s Storage Flash Type 3D NAND flash Capacity 128 GB Operating Environment Operating Temperature 0°C (32°F) ~ 70°C (158°F) Operating Voltage 3.3V±5% Performance Sequential Read/Write (CrystalDiskMark) Up to 560/500 MB/s 4K Random Read/Write (IOmeter) Up to 43,000/82,000 IOPS Terabytes Written (TBW) 41 TBW Mean Time Between Failures (MTBF) 2,000, 000 hour(s) Drive Writes Per Day (DWPD) 0.3 (3 yrs) Note Speed may vary due to host hardware, software, usage, and storage capacity. The workload used to rate DWPD may be different from your actual workload, which may vary due to host hardware, software, usage, and storage capacity. Terabytes Written (TBW) expresses the endurance under the highest capacity.