Transcend 425S 2TB M.2 SSD

Appearance
Type: M.2 2242
Dimensions: 42.0 mm x 22.0 mm x 3.58 mm (1.65″ x 0.87″ x 0.14″)
Weight: 5 g (0.18 oz)

Interface
Bus Interface: SATA III 6Gb/s

Storage
Flash Type: 3D NAND flash
Capacity: 250GB/500 GB/1 TB/2 TB

Operating Environment
Operating Temperature: 0°C (32°F) ~ 70°C (158°F)
Operating Voltage: 3.3V±5%

Performance
Sequential Read/Write (CrystalDiskMark)
2 TB Up to 550/500 MB/s
1 TB Up to 550/500 MB/s
500 GB Up to 530/480 MB/s
250 GB Up to 500/330 MB/s

4K Random Read/Write (IOmeter)
2 TB Up to 55,000/80,000 IOPS
1 TB Up to 55,000/72,000 IOPS
500 GB Up to 50,000/75,000 IOPS
250 GB Up to 40,000/75,000 IOPS

Terabytes Written (TBW)
2 TB 720 TBW
1 TB 360 TBW
500 GB 180 TBW
250 GB 90 TBW
Mean Time Between Failures (MTBF): 2,000,000 hour(s)