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Compact USB-C card reader with SD, MicroSD and CF slots

Corn Electronics

Corn Electronics 3-in-1 USB-C Card Reader SD MicroSD CF 64Gb 14-16MB/s 2.0

SKU CH-4QQS-K81YQ

Reads SD, MicroSD and CompactFlash cards up to 64 GB via USB-C at 14–16 MB/s, USB 2.0 speed, single-slot operation

  • Transfer photos fast with 14–16 MB/s USB 2.0 speed
  • Read SD, Micro SD and CF cards up to 64 GB
  • Works with USB-C laptops, tablets and OTG phones
  • Plug in and go — no app or driver needed
  • Compact 3-in-1 design saves space and expands storage

USB-C 3-in-1 Card Reader

This USB-C adapter reads SD, MicroSD and CompactFlash cards up to 64Gb. It suits photographers and field workers who need to move files from trail cameras or wildlife monitors to a USB-C laptop, tablet or phone without installing extra software.

Plug-and-play OTG expansion

The reader draws power from the host USB-C port and requires no driver or app. It adds removable storage to OTG-capable Android phones, iPad Pro 2018 and MacBook models from 2018, freeing internal space by letting you play media directly from the card.

Passive USB 2.0 transfer

Transfer rates reach 14MB/s to 16MB/s, limited by the USB 2.0 interface. Only one card slot is active at a time and Wi-Fi SD cards are not supported. The unit has no fan or external power, so it runs silently and adds negligible load to the host device.

How it compares

Measured against everything we stock in Interface & Card Adapters, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 93% of the 354 comparable items (median $21.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What is the maximum sustained transfer speed when I copy large batches of photos?

The reader reaches 14 MB/s to 16 MB/s, limited to USB 2.0 speeds.

Does the adapter get hot or draw enough power to drain my laptop battery during all-day use?

It has no active cooling and runs on bus power; typical USB 2.0 current draw is low enough that heat and battery impact stay minimal.

Which memory cards do I need to own for this reader to work?

It accepts standard SD, SDHC, micro SD, micro SDHC and CompactFlash cards up to 64 Gb, but only one card at a time.

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