I received this Roofull USB 3.0 Portable DVD and decided to immediately compare it to a very old LG USB 2.0 Portable DVD model GP40. Here's a very simple test and I'm glad I have my LG to compare it to: - I'm transferring ONE 3.5GB file from a Win10 install disk, very simple - The transfer speed of the Roofull DVD stays at around 3MB /s based on 5 minute observation (see my photo) - Old LG DVD transfer rate stays at 4MB/s and eventually increases to 7-8MB/s based on 5 minute observation (see my photo ). I am speechless, my LG USB 2.0 is FASTER than Roofull USB 3.0. I will send it back immediately. However, I like the white version of Roofull which gives it a unique look.
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