UnionSine 4TB Ultra Slim Portable External Hard Drive HDD-USB 3.0

【Upgraded version】 – The mirror logo strip is combined with the striped non-slip design. The rounded corners of the shell are more suitable for holding. The strips play a heat dissipation function to ensure a stable and fast transmission process.
【Ultra-thin and quiet】 – The motherboard adopts JMicron 578 noise-free solution, giving you a quiet working environment. Lightweight and portable size designed to fit in your pocket for easy portability.
【Ultra-Fast Data Transfers】 – The external Hard Drive is used in conjunction with USB 3.0 and USB 2.0 ports to provide ultra-fast transfer speed. The theoretical read speed is up to 125MB/s, and the write speed is up to 103MB/s.