External Hard Disk Drive USB 3.0 1TB/2TB/4TB External HDD for Win 7/8/10/XP
Read/Write Speed: 1/2TB: 6~15M/S 4TB: 10~20M/S. 1 x USB 3.0 HDD. High-speed Transmission: This hard drive uses a high-speed USB 3.0 transmission interface, which has fast data reading and writing speeds.