Lexar Professional USB 3.2 Type-C Dual-Slot Reader, Supports SD and microSD UHS-II Cards, Up To 312MB/s Read (LRW470U-RNHNU)

I havent used it much and cant determine the speed accuracy, there will be plenty who can. It seems to do the job OK . Im not a lexar fan these days, since the company was sold to the Chinese ive found the quality control on their memory cards to be erratic. Pro Grade are the original lexar employees, the management self financed after the company was sold and formed the new company , and I have to say the quality is 5 *****, as lexar used to be. Hopefully lexar will tighten up on Quality control and get back to the level they used to be. Now this only applied to memory cards, I cant comment about the card readers. I actually have 2 lexar readers and no complaints YET !

Faster on every single card I have. Than any other reader. Its faster writing and reading. On some cards by a lot. On others by maybe 15% compared to the USH II dell reader on my laptop and other generic readers. It reaches the claimed card max speeds or better every time. Connected to a fast 10gbps port.

These are very good and cut copying time substantially. Well worth buying.

I have been purchasing Lexar products for some time due to their reputation for speed and performance. However, I am disappointed with this micro SD and SD card reader, as its read and write speeds are not significantly better than my five-year-old generic micro SD card reader. The photos above were taken with a Lexar Micro SD Card purchased from the same store. I am concerned that the reader, the micro SD card, or both might be counterfeit. I tested them on both my Mac and PC. Additionally, the reader is made from very lightweight, plasticky material.