SSD Transcend MTE110S 2TB/1TB/512GB/256GB/128GB - NVMe PCIe Gen3 - 128GB

Appearance Dimensions80 mm x 22 mm x 3.58 mm (3.15 #34; x 0.87 #34; x 0.14 #34;)Weight8 g (0.28 oz)M.2 Type 2280-D2-M (Double-sided) Interface Bus Interface NVMe PCIe Gen3 x4 Storage Flash Type 3D NAND flash Capacity 128 GB/ 256 GB/ 512 GB/ 1 TB 2TB Operating Environment Operating Temperature0C (32F) ~ 70C (158F)Operating Voltage 3.3V5% Performance Sequential Read/Write (CrystalDiskMark) 1 TB 1,700/1,400 MB/s 512 GB 1,700/900 MB/s 256 GB 1,600/800 MB/s 128 GB 1,500/400 MB/s 4K Random Read/Write (IOmeter) 1 TB 160,000/140,000 IOPS 512 GB 160,000/140,000 IOPS 256 GB 110,000/95,000 IOPS 128 GB 90,000/90,000 IOPS Terabytes Written (TBW) 1 TB 400 TBW 512 GB 200 TBW 256 GB 100 TBW 128 GB 50 TBW Mean Time Between Failures (MTBF)2,000,000 hour(s)Drive Writes Per Day (DWPD)0.2 (5 yrs)