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Sony CFexpress Type A Card Reader MRW-G3
The Sony CFexpress Type A Card Reader MRW-G3 offers high-speed transfers with up to 2.3x faster transfer compared to previous readers and CFexpress 4.0 card compatibility for professional workflows.
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Sony CFexpress Type A Card Reader MRW-G3 Summary
The Sony CFexpress Type A Card Reader MRW-G3 is a SuperSpeed memory card reader, which is for CFexpress Type A memory cards, and supports the latest CFexpress 4.0 protocol while delivering USB 40Gbps transfer speeds.
This combination offers up to 2.3x faster data transfer compared to previous readers, enabling creators to move large volumes of high-resolution images and video with minimal downtime. It is optimised for use with Sony’s CEA-G Series CFexpress Type A cards, enabling users to take full advantage of their ultra-fast read speeds for efficient data offloading and backup.
With support for Windows, macOS, iOS, iPadOS and Android OS, the MRW-G3 is highly versatile, allowing direct file transfer to desktop systems and compatible mobile devices. This supports fast edits on the go or backup in the field using a tablet or phone.
The MRW-G3 incorporates an upgraded heat-dissipation structure that helps prevent thermal throttling, while being compact, rugged and featuring a blue access indicator light. Firmware updates are also supported for future compatibility and performance improvements.
Sony CFexpress Type A Card Reader MRW-G3 Key Features
- CFexpress 4.0 card reader for CFexpress Type A memory cards
- Supports USB 40Gbps connection for ultra-fast data transfer*
- Up to 2.3x faster than previous CFexpress Type A reader
- Compatible with PC and mobile devices (Windows, macOS, iOS, iPadOS, Android)
- Integrated heat dissipation for stable performance during long transfers
- Blue access lamp
- Includes USB Type-C to Type-C cable and operating instructions
*Performance depends on USB 40Gbps-compatible device and included cable.
Sony CFexpress Type A Card Reader MRW-G3 in More Detail
Fast Data Transfer with USB 40Gbps
The MRW-G3 supports USB 40Gbps and is compatible with the CFexpress 4.0 protocol, which can significant reduce wait times when transferring high volumes of large files. When used with Sony’s latest CEA-G Series cards, the reader offers up to 2.3x faster performance than earlier models, which streamlines workflows for high-resolution stills and 4K and 8K video.
Wide Compatibility
The MRW-G3 supports a wide range of operating systems including Windows, macOS, Android, iPadOS and iOS. This allows you to connect to PCs, laptops, tablets or smartphones for easy data handling, whether on location or in a studio.
Stable Operation with Thermal Control
High-speed transfers generate heat, particularly during large file movement or extended sessions. The MRW-G3 incorporates an upgraded heat-dissipation design that maintains performance and reduces the risk of slowdowns due to rising temperature.
Firmware Support
Firmware update support means that the MRW-G3 can be kept up to date in the future. The card reader is also compact and lightweight enough for travel and field use, while being extremely robust. A blue access lamp indicates active read/write operations, and the supplied USB Type-C cable ensures compatibility with many devices.
What’s in the box
- Sony CFexpress Type A Card Reader MRW-G3
- USB Type-C to Type-C Cable
- Operating Instructions
Sony CFexpress Type A Card Reader MRW-G3 Specifications
Model |
VX9574 |
Interface |
USB 40Gbps |
Card Compatibility |
CFexpress Type A (CFexpress 4.0) |
OS Compatibility |
Windows, macOS, iOS, iPadOS, Android |
Dimensions (W x H x D) |
58.0 x 17.2 x 100.5 mm |
Weight |
Approx. 106g |
Access Lamp |
Blue |
Operating Temperature Range |
0°C to 40°C |
Power Requirements |
DC 5V via USB |
Included Accessories |
USB Type-C to Type-C cable, Operating Instructions |
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Condition guide
Our used products are subject to wear and tear in comparison to brand new products. This also applies to accessories that are supplied with the camera including batteries which may have a lower optimum performance level/life expectancy.
- Like New – The equipment is in a condition as if you have just bought it from the manufacturer. The item is still considered to be ‘Like New’ even without the original packaging and accessories. The product has been fully tested and is in perfect working order. Lenses are optically clear. There may be light dust present that will not effect the imagery.
- Excellent – The equipment should be close to being ‘Like New’ but there may be some small cosmetic blemishes that lower its grade. The product has been fully tested and is in perfect excellent order.
- Cameras – Should have no marks on the LCD screen
- Lenses – Should have no marks on the elements and optically clear. There may be light dust present that will not effect the imagery.
- Very Good – The equipment may have some slight cosmetic wear to the paintwork and cosmetic blemishes with only light signs of use and the product has been fully tested and is in great working order.
- Cameras – The LCD screen may have small signs of wear that does not affect its display
- Lenses – The mount of the lens will start to show signs of wear
- Good – The equipment is showing more obvious signs of cosmetic wear and blemishes, but the product has been fully tested and is in great working order.
- Cameras – LCD screen may have scratches or wear that is starting to affect the display.
- Lenses – May have slight dust inside that does not affect images. The mount shows signs of use.
- Well Used – The equipment will show significant signs of wear. The paintwork will be coming away in large areas exposing the metal work, but the product has been fully tested and is in great working order.
- Cameras – LCD screen is heavily worn either by de-lamination or has scratches to it. Rubber grips are starting to come away from the body.
- Lenses – The lens has dust inside that may affect images. The rubber zoom/focus ring is coming away from the barrel of the lens.
*All of our used items are listed with the accessories that are included. If they are not listed, then they will not be supplied at the point of purchase.
Peace of mind with our 6 month warranty
This product has been thoroughly tested by our team of photographers and we are happy to give a 6 month warranty as a result. The number of tests depends on the individual product but we are confident in this product having tested all the major functions. Anything that isn’t as you would expect, we then make a note of and show this in the condition notes on the page.
So you can be confident you are buying a great piece of kit that’s been looked after by a fellow photographer and seen many extraordinary sights, tested by our team of photographers and now looking forward to being set free to capture more great images!