Transcend's MTE470A M.2 SSD features 112 layers of 3D NAND flash and a PCI Express (PCIe) Gen3 x4 interface, delivering never-before-seen transfer speeds. In addition, the 30µ" gold finger PCB, Corner Bond technology, and anti-sulfur resistors guarantee its reliability in harsh conditions. Transcend's MTE470A is also 100% chamber tested in-house for extended operating temperatures of -20?~75?. Its M.2 2242 form factor is compact and portable, ideal for mobile computing applications. Wide Temperature (-40°C~85°C) is available upon request. Appearance Dimensions 42 mm x 22 mm x 2.23 mm (1.65" x 0.87" x 0.09") Weight 5 g (0.18 oz) M.2 Type 2242-S2-M Form Factor M.2 2242 Interface Bus Interface NVMe PCIe Gen3 x4 Storage Capacity 128 GB/256 GB/512 GB/1 TB/2 TB Flash Type 112-layer 3D NAND flash Operating Environment Operating Voltage 3.3V±5% Operating Temperature Extended Temp.-20°C (-4°F) ~ 75°C (167°F) Wide Temp.-40°C (-40°F) ~ 85°C (185°F) Storage Temperature -55°C (-67°F) ~ 85°C (185°F) Humidity 5% ~ 95% Shock 15 G, 11 ms, 3 axis Vibration (Operating) 20 G (peak-to-peak), 7 Hz ~ 2,000 Hz (frequency) Power Power Consumption (Operation) 4.3 watt(s) Power Consumption (IDLE) 0.53 watt(s) Performance Sequential Read/Write (CrystalDiskMark) Read: Up to 2,000 MB/s Write: Up to 1,700 MB/s 4K Random Read/Write (IOmeter) Read: Up to 105,000 IOPS Write: Up to 250,000 IOPS Mean Time Between Failures (MTBF) 3,000,000 hour(s) Terabytes Written (TBW) Up to 1800 TBW Drive Writes Per Day (DWPD) 0.86 (3 yrs)