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Gold rectangular CFexpress Type B memory card with Lexar branding

Lexar

Lexar 1TB Professional Gold CFexpress 4.0 Type B Memory Card LCXEXP4001T-RNENG

SKU CH-KV27-MH4F7 MPN LCXEXP4001T-RNENG

A CFexpress 4.0 Type B card with 1 TB capacity, read speeds up to 3600 MB/s and sustained write speeds of 3000 MB/s for 8K RAW video and high-speed burst shooting

  • Read speed up to 3600MB/s accelerates 8K RAW capture
  • Write speed up to 3300MB/s sustains high-bitrate video recording
  • Sustained 3000MB/s write prevents dropped frames in burst shooting
  • PCIe 4.0 with NVMe doubles throughput over earlier cards
  • CFA executive membership ensures broad camera compatibility

Professional Gold CFexpress 4.0 Type B Card

The Lexar Professional Gold CFexpress 4.0 Type B Card provides 1TB of high-speed storage for professional photographers and videographers. It uses PCIe 4.0 and NVMe protocols to capture high-resolution photos and seamless 8K RAW video. Read speeds reach up to 3600MB/s and write speeds up to 3300MB/s for fast post-production workflows.

Camera Compatibility and Slot Verification

Confirm your camera supports CFexpress Type B cards and the CFexpress 4.0 standard before ordering. Sustained write performance of 3000MB/s requires a host device capable of matching that throughput. Older CFexpress 2.0 or XQD slots will not deliver the stated speeds.

Workflow Integration and Card Reader Needs

The card doubles the speed of previous models to streamline ingest and editing of large RAW files. A CFexpress 4.0 compatible card reader is required to achieve the 3600MB/s read transfer rate. It is built for next-generation mirrorless, DSLR, and high-definition video cameras.

Highlights

  • Read speed up to 3600MB/s accelerates 8K RAW capture
  • Write speed up to 3300MB/s sustains high-bitrate video recording
  • Sustained 3000MB/s write prevents dropped frames in burst shooting
  • PCIe 4.0 with NVMe doubles throughput over earlier cards
  • CFA executive membership ensures broad camera compatibility

Specifications

No published specifications for this item yet.

Questions about this item

Does the card come with a reader or do I need to buy a CFexpress 4.0 Type B reader separately?

The card is sold on its own; a compatible CFexpress 4.0 Type B reader must be purchased separately to reach the quoted speeds.

Should I choose the 1TB version or a smaller capacity for 8K RAW video?

The 1TB capacity provides enough space for extended 8K RAW sessions and sustained 3000MB/s write performance without frequent card swaps.

What does the 3600MB/s read speed mean when I offload footage to my workstation?

With a PCIe 4.0 NVMe reader, the 3600MB/s read rate lets you transfer large 8K RAW folders to an NVMe SSD in a fraction of the time of older cards.

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