Extreme PRO SD UHS-II Card Reader/Writer

Pro-level transfer performance in a compact SD™ card reader

Maximize workflow efficiency

The SanDisk Extreme PRO® SDTM UHS-II Card Reader/Writer is designed to increase workflow efficiency for professional photographers and videographers. Small enough for fieldwork, the compact reader is built to handle the high-performance demands of UHS-II card technology and offers support for fast transfer speeds. With a USB 3.0 interface (and backwards-compatible with USB 2.0), the SanDisk Extreme PRO SD UHS-II reader/writer is your best choice for performance and efficiency when paired with a SD UHS-II memory card2.

Support for Super-Fast SD UHS-II Card Transfer Speeds

The SanDisk Extreme PRO SD UHS-II Card Reader moves content fast to expedite your post-production work flow.


Compatible with UHS-II and USB 3.0, backwards-compatible with UHS-I and non-UHS SD cards, and USB 2.0.

Compact SD Card Reader

The small size of the SanDisk Extreme PRO SD UHS-II Card Reader makes it perfect for fieldwork and on-location shoots. 

SanDisk Extreme PRO<sup>®</sup> SD™ UHS-II Card Reader/Writer

SanDisk Extreme PRO® SD™ UHS-II Card Reader/Writer

  • Read Speed: up to 500MB/s1
  • Form Factor: Works with non-UHS, UHS-I, and UHS-II SDHC and SDXC cards
  • Interface: USB 3.0

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Extreme PRO SD UHS-II Card Reader/Writer
Read Speed up to 500MB/s1
Form Factor Works with non-UHS, UHS-I, and UHS-II SDHC and SDXC cards
Interface USB 3.0
  • Single slot SD™ UHS-II card reader/writer
  • USB 3.0/USB 2.0 compatible
  • Optimized for SanDisk SD UHS-II cards  
Americas, Europe / Asia-Pacific
/ Middle East & Africa
Australia SDDR-399-Q46
China SDDR-399-Z46
Japan SDDR-399-J46
Global SDDR-399-G46


2-year limited warranty. For more information, see the Warranty and User Guide page.

Where to Buy SanDisk Worldwide

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1 Based on USB 3.0 specification; performance may vary depending on use case and host device. 1MB=1,000,000 bytes.

2 Card not included. Sold separately.