Adopting the USB 3.2 Gen2 protocol, the D6-320 offers a data transfer bandwidth of 10 Gbps with an actual read/write speed of up to 1,016 MB/s with 6 hard drives installed (WD Red 8 TB x 6 simultaneous read/write); with only one hard drive installed, the read speed of 510 MB/s could be achieved (WD Red 1 TB SSD x... 1).