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Compact silver aluminium USB-C card reader with SD and microSD slots and braided cable

DERSUR USB-C RFID Card Reader SD 4.0 312MB/s

SKU CH-8ASQ-4XGGT

A compact USB-C card reader with dual UHS-II slots for SD and microSD cards, supporting simultaneous read and write at up to 312 MB/s

  • ConnectorsUSB Type C
  • FeatureCompact
  • Dimensions1.6002 L x 14.605 W x 20.5994 H centimeters
  • Weight0.05 kilograms
  • Up to 312 MB/s transfers with SD 4.0 UHS-II support
  • Reads and writes to SD and Micro SD cards simultaneously
  • Works driver-free with iPhone 15/16 Pro and most USB-C devices
  • Compact aluminium alloy body with braided cable weighs only 0.05 kg
  • Dual UHS-II slots accept SDXC, SDHC, Micro SDXC, Micro SDHC, MMC and RS-MMC

Compact USB-C Card Reader

The DERSUR USB-C RFID Card Reader SD 4.0 312MB/s is a 2-in-1 adapter with UHS-II SD and Micro SD slots. It targets photographers and videographers who need fast offload from SDXC, SDHC, Micro SDXC, Micro SDHC, MMC and RS-MMC cards. Driver-free operation works with iPhone 15 Pro, iPhone 16 Pro Max, MacBook and other USB-C devices.

Thermals Noise Power

The aluminium alloy housing and braided cable dissipate heat passively during sustained transfers. No moving parts mean completely silent operation. Power is drawn directly from the host USB-C port so no external supply is required.

Build Integration

The compact 1.6002 L x 14.605 W x 20.5994 H cm form factor and 0.05 kg weight add negligible bulk to a mobile kit. Simultaneous read and write across both slots frees up workflow by copying files between SD and Micro SD cards in one step. Android devices need OTG support to function.

Highlights

  • Up to 312 MB/s transfers with SD 4.0 UHS-II support
  • Reads and writes to SD and Micro SD cards simultaneously
  • Works driver-free with iPhone 15/16 Pro and most USB-C devices
  • Compact aluminium alloy body with braided cable weighs only 0.05 kg
  • Dual UHS-II slots accept SDXC, SDHC, Micro SDXC, Micro SDHC, MMC and RS-MMC

Specifications

BrandDERSUR
ConnectorsUSB Type C
FeatureCompact
Dimensions1.6002 L x 14.605 W x 20.5994 H centimeters
Weight0.05 kilograms

Questions about this item

How do I install the DERSUR USB-C RFID card reader on my iPhone 15 Pro Max?

Plug the USB-C connector directly into the iPhone 15 Pro Max port; the reader is driver-free and will be recognised immediately. Ensure the phone is unlocked so the Files app can access the inserted SD or Micro SD card.

What maintenance will the aluminum alloy case and braided cable need over time?

Wipe the aluminum case with a dry, lint-free cloth to remove dust; avoid liquids near the slots. Inspect the braided cable for fraying and keep the connector free of debris by storing the reader in a protective pouch when not in use.

What limits the sustained transfer speed when writing large 4K video files to a UHS-II card?

The 312 MB/s ceiling is set by the SD 4.0 UHS-II specification; actual sustained write speed will be lower and depends on the card’s own write rating, the host device’s USB controller, and thermal throttling during long transfers.

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