ship from Japan Country of origin:Taiwan Products purchased outside of Amazon.co.jp are not covered in Japan. Product Specifications Form Factor = M.2M.2 Standard = 2242-D2-B-M Bus Interface = NVMe PCIe Gen3 x2 Size = 42mm x 22mm x 3.58mm Onboard NAND Flash = 3D TLC NAND Capacity 128GB/256GB/512GB Maximum read/write speed = Read: 1700MB/s, Write: 1250MB/s Operating voltage 3.3V±5% Power consumption (max) 3.5W Operating temperature 0°C 70°C Storage temperature -40°C 85°C Humidity 5%95% Vibration resistance (operating) 2.17G (max amplitude), 10Hz 700Hz (frequency) Since there are a wide variety of embedded devices that use memory products and their operating conditions and environments vary, Transcend cannot guarantee compatibility or stable operation with all devices. If you have any questions about specific specifications, please check our website in advance.