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Wex Photo Video£791.00Visit shop Lexar 512GB Professional CFexpress 4.0 Type B Diamond Memory Card
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The Lexar Professional CFexpress 4.0 Type B 512GB memory card is designed for professional photographers and cinematographers who require high-speed data throughput for 8K RAW video and burst photography. Its primary benefit is the extreme transfer speed of up to 3700 MB/s, which drastically reduces workflow downtime during post-production. A key caveat for potential users is that these extreme performance levels are only achievable with CFexpress 4.0 compatible hardware, making it a specialized tool rather than a general-purpose storage solution.
| Series | Professional |
|---|---|
| Model Part Number | LCXEXD4512G-RNENG |
| Brand | Lexar |
Yes, it is backward compatible with most CFexpress 2.0 Type B devices, though performance will be capped at the speed of the host device's interface.
Yes, its sustained write speed of 3200 MB/s is specifically engineered to handle the high data demands of 8K raw video capture.
The card is built for professional use and is resistant to dust, compression, and drops from up to 5 meters.
pSLC (pseudo-Single Level Cell) technology provides higher endurance and reliability than standard TLC or QLC NAND, making it better suited for professional workflows involving constant, heavy data writes.
To achieve the full 3700 MB/s read speed, you should use a CFexpress 4.0 compatible card reader.
Ensure the card is fully inserted and the slot is free of debris. If the issue persists, attempt to reformat the card using the camera's internal format tool.
Verify that your memory card reader supports the CFexpress 4.0 standard. Older 2.0 readers will significantly limit performance.
Ensure the camera firmware is up to date and that the card is not full. Heavy fragmentation may also require a fresh format within the camera.
To use the card, simply insert it into the CFexpress Type B slot of your camera, ensuring the orientation matches the guide pins. While it is backwards compatible with many CFexpress 2.0 cameras, you must use a CFexpress 4.0 compatible card reader to realize the maximum transfer speeds. When not in use, store the card in a protective case to keep the contacts free from dust and debris. While it is ruggedized against drops and compression, avoid exposing the contacts to liquid or direct electrostatic discharge. Always use the 'format' function within your camera menu before using the card for the first time to ensure the best file system compatibility.
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