Good memory expansion for my Convertible and faster than specified, but only with the right card reader (USB 3.0)

Good memory expansion for my Convertible and faster than specified, but only with the right card reader (USB 3.0)

SanDisk SDSDQXN-064G-G46A Extreme 64GB microSDXC UHS-I Class 10 U3 memory card up to 60MB / sec. Read (Personal Computers)
Buy at Amazon.com

Customer Review

I have a Medion Akoya P2214T whose 64GB eMMC can be extended with additional 64 GB. So I looked here which card is very fast, but still reasonably affordable. The Easter services there was this card for the lowest 35 EUR.

After delivery, I made the same test on the internal microSD card reader of my computer and was once very disappointed (s left picture.): The data were not much better than the much more favorable SanDisk Ultra. So I tried it yet in the HP Stream my daughter and my "old" Lenovo T520 with SD card adapter and lo and behold, the reading and writing rate even exceeds the manufacturer's instructions (see Fig. Right).

After looking in the device manager I saw the cause, because my card reader was a Realtek 2.0 device and so I can not fully exploit the benefits of this card with my Convertible.

So if you want to use the card as a memory expansion for a notebook with eMMC memory, should first check the Device Manager to see if truly a USB 3.0 card reader is installed. Then you get a very fast memory, which is older than the manufacturer's specification.

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