Samsung T7 4 TB Portable Rugged Solid State DriveSamsung T7 4 TB Portable Rugged Solid State Drive 2. 5" External Black Rugged durability Tough, fast, and compact. The all new rugged PSSD T7 Shield is built to endure with the space to create thanks to an IP65 rating for Dust and Water resistance. Keep cool at high speed Transfer massive files in seconds. USB 3. 2 Gen 2 and PCIe NVMe achieve soaring sequential read write speeds of up to 1,050 1,000 MB s, allowing you to edit directly from the drive.