Transcend RDF9 UHS-II Card Reader Review
We've aggregated 10 high-signal reviews and 3 live retailer prices below.

Our editorial take on the Transcend RDF9 UHS-II Card Reader
The Transcend RDF9 is a prime example of a tool that does one job and does it exceptionally well. In an era of multi-function hubs and dongles, this dedicated card reader offers a refreshingly focused approach. Its core purpose is to get your files from your memory cards to your computer as fast as possible, and it succeeds brilliantly by leveraging the full speed of its USB 3.1 interface and UHS-II card support. This makes it an invaluable asset for professionals handling large 4K video files or high-resolution RAW photo bursts, where transfer time is a critical bottleneck.
While its plastic construction is utilitarian, its performance is what matters. The RDF9 reliably handles multiple card formats, including SD, microSD, and CompactFlash, making it a versatile workhorse for creators with a diverse set of cameras. It foregoes extra features like additional USB ports, which may be a drawback for those looking to consolidate their peripherals. However, for users who simply need a fast, reliable, and purpose-built reader to integrate into their workflow, the RDF9's specialized nature is its greatest strength. It is a straightforward solution that delivers on its promise of speed.
- Excellent transfer speeds with UHS-II and USB 3.1 support
- Supports multiple formats including SD, microSD, and CompactFlash
- Simple, purpose-built design prioritizes function
- Reliable and consistent performance
- Compact and lightweight for portability
- Single-purpose device lacks extra hub functionality
- Standard model uses a USB-A connector, which may require an adapter for newer laptops
Synthesized by Geared editors from early expert reviews.
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About this product
The Transcend RDF9 UHS-II Card Reader allows you to transfer files from SD/SDHC/SDXC, microSD/SDHC/SDXC, and CompactFlash memory cards to your computer. It supports USB 3.1 Gen 1 standard and offers read speeds up to 260 MB/s and write speeds up to 190 MB/s.
Specs
- UPC
- 760557842675
- Weight
- 1.08 oz / 30.6 g
- Dimensions
- 2.66 x 1.77 x 0.6" / 67.6 x 45 x 15.2 mm
- Power Source
- Bus Powered
- Certifications
- BSMI, EAC, KC, RCM, UKCA
- Host Connection
- Micro-USB 3.0 / 3.1/3.2 Gen 1 via Detachable Cable, USB-A Cable Included
- Media Card Reader
- 1x SDXC (UHS-II [312 MB/s]), 1x microSDXC (UHS-I [104 MB/s]), 1x CompactFlash Type I (UDMA 7 [167 MB/s])
- Enclosure Material
- Plastic
- Operating Conditions
- 32 to 158°F / 0 to 70°C
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