Will it read a CompactFlash card from an older DSLR?

Yes. The reader has a dedicated CF slot alongside SD, TF, M2, MS and xD. It connects over USB 3.0 at up to 5Gbps, though CF cards themselves are slower than that.

Does it work with a Mac without installing drivers?

Yes. It is plug and play on Windows, Mac and Linux. The GL3220 chipset handles the card formats, so no driver install is needed.

Can it read and write two cards at once?

The slots are separate, so you can insert several cards at the same time. Transfer speed is shared across the USB 3.0 connection when cards are used together.

Will it reach full speed with a UHS-II SD card?

No. The reader is USB 3.0 at 5Gbps and does not support the UHS-II bus, so a UHS-II card runs at UHS-I speeds. For large offloads a dedicated UHS-II reader is faster.

What comes in the box?

The reader with its attached 2 ft cable. Cards and a USB adapter are not included.

Is it compatible with microSD cards?

Yes. MicroSD and TF cards fit the TF slot. The reader also takes full-size SD, CF, M2, MS and xD cards.

Where is the USB 3.0 Multi-Slot Memory Card Reader cheapest?

At Deal.ai, for $18.98, as of our latest check.

USB 3.0 Multi-Slot Memory Card Reader

Sold and shipped by Deal.ai

$18.98+ $9.63 shipping

Shipping is combined: each extra item adds only a little.

Color: Black

Arrives about Nov 16–25, from a US warehouse

30-day full refund: if you're not happy with it for any reason, or it never arrives, tell us within 30 days and we refund you in full. Shipping and refunds

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Price facts

Last seen at $18.98 at Deal.ai on Nov 12.

Our take on the USB 3.0 Multi-Slot Memory Card Reader

A compact all-in-one card reader that takes CF, xD, TF, M2, MS and SD cards through a single USB 3.0 port rated at 5Gbps. It is backward compatible with USB 2.0 and 1.1 and works on Windows, Mac and Linux without drivers. The flat glossy body with silver trim and a short 2 ft cable suits a desk or a laptop bag. Against single-slot readers it covers older formats like CF and Memory Stick that most rivals have dropped, but it is a bus-powered reader with no UHS-II support, so it will not match dedicated high-speed SD readers for large card offloads.