When working on the road it’s important to back-up files quickly. The Tuff’s ability to use SSD drives allows it to achieve incredible performance up to 450MB/s on the latest MacBooks that utilize the USB 3.1 Gen 1 interface (5Gb/s). CalDigit has future proofed the Tuff drive to implement the USB 3.1 Gen 2 interface (10Gb/s), which means that in subsequent iterations of computers featuring the USB 3.1 Gen 2 interface the Tuff drive will get a speed boost of up to 550MB/s!