Read/Write Speed: 1/2TB: 6~15M/S 4TB: 10~20M/S. 1 x USB 3.0 HDD. Reliability and Durability: USB hard drives use high-quality hard drives with excellent reliability and durability. High-speed Transmission: This hard drive uses a high-speed USB 3.0 transmission interface, which has fast data reading and writing speeds.
eBay