EX400U 4TB USB4 External SSD CSSD-EX400U4TB Leverage the incredibly high bandwidth of USB4 to move large files in seconds, all in a small, portable device. Specifications: Heatsink Color GUNMETAL Storage Temperature -40°C to +85°C Storage Humidity 93% RH (40° C) SSD Package Contents EX400U External SSD, USB-C to USB-C cable (30cm, 40Gb) SSD Compatibility USB Type-C connector, Windows 10, 11, MacOS 13 and later, iOS/iPadOS 13 and later Vibration 20 Hz~80 Hz/1.52 mm, 80 Hz~2000 Hz/20G SSD Shock 1,500 G SSD Operating Temperature 0°C to +70°C SSD Smart Support No USB Compatibility Support for Microsoft Windows® 10 and later, Mac OS® 13 and later, iOS/iPadOS 13 and later, and Linux with no driver or software installation necessary | USB Type-C Port required Unformatted Capacity 4TB USB Package Contents EX400U External SSD, USB-C to USB-C cable (30cm, 40Gb, 60W Power Delivery capable) Operating Temperature 0°C to 70°C Interface USB4 Sequential Read Write Up to 4000MB/s read / 3600MB/s write (USB4 40Gb) Max Sequential Read ATTO Up to 4000MB/s Max Sequential Read CDM Up to 4000MB/s Max Sequential Write CDM up to 3600MB/s Max Sequential Write ATTO up to 3600MB/s Weight 0.092