Review on 💾 Sandisk Ultra USB Flash Drive 256 GB – High-Speed Data Storage, Black (SDCZ48-256G-A46) by Bima ᠌

I'm not happy with the flash drive, although I respect the brand. I bought a PQI U179V - 64 Gb (USB 3.1) to replace it and it blows SanDisk Ultra USB 3.0 to smithereens. The recording speed is constant 67-70 mb per second without any drops in speed with any files in size and quantity, and practically does not heat up. Maybe I just got unlucky with the copy. Pros below: 1. Beautiful design and comfortable construction 2. High reading speed 3. Large volume 4. USB 3.0 Its cons: 1. A strong drop in write speed from 69-70 MB per second. up to 20-25 mb per second. during recording, that is, in fact, it is high-speed only in the first seconds. 2. Periodically, it reconnects itself while in the computer (tested on many computers with different OS)