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eBay£379.00Visit shop Lexar Professional 256GB CFexpress 4.0 Type B 3700MB/s Diamond Series Card
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Wex Photo Video£465.00Visit shop Lexar 256GB CFexpress 4.0 Type B Diamond Memory Card
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The Lexar Professional CFexpress 4.0 Type B Diamond Series 256GB memory card is designed for professional cinematographers and photographers who require extreme speed and reliability for high-bitrate 8K RAW video capture. It utilizes cutting-edge PCIe 4.0 technology to deliver industry-leading throughput, significantly reducing post-production transfer times for demanding workflows. While its premium performance is ideal for top-tier cinema cameras, it is a specialized investment that may exceed the needs of casual users or hobbyist equipment.
| Series | Diamond |
|---|---|
| Model Part Number | LCXEXD4256G-RNENG |
| Brand | Lexar |
Yes, it is backward compatible with most CFexpress Type B devices, though top speeds depend on the host device's hardware.
pSLC offers significantly higher endurance and better reliability compared to standard TLC memory, making it ideal for continuous, heavy-duty usage.
Details for activating and using the software are provided in the packaging; follow the instructions to register your card and download the utility.
The card features an IP5X rating, which indicates protection against dust. It is built for extreme environments, but direct submersion in water should be avoided.
Some capacity is reserved for formatting, file system overhead, and wear-leveling processes necessary for card maintenance.
While it works with standard Type B readers, you need a CFexpress 4.0 compliant reader to achieve the maximum 3700MB/s transfer speeds.
Ensure the camera firmware is up to date and try re-inserting the card firmly.
Check if the camera's recording settings exceed the card's sustained speed limit or if the card is nearly full.
Verify that your card reader and computer port support USB 3.2 Gen 2x2 or Thunderbolt 4, as older interfaces will bottle-neck performance.
This card is backward compatible with many CFexpress Type B slots; however, full PCIe 4.0 speeds are only achievable in compatible hardware. To maintain optimal health:
