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Rectangular gold-coloured CFexpress Type B memory card, 4TB capacity

Lexar

Lexar LCXEXPR004T-RNENG 4TB CFexpress 4.0 Type B memory card

SKU CH-FW8A-77G4C MPN LCXEXPR004T-RNENG

CFexpress 4.0 Type B card delivering up to 3600MB/s read and 3300MB/s write with 3000MB/s sustained write for uninterrupted high-resolution capture

  • Read speeds up to 3600 MB/s accelerate data transfer
  • Write speeds up to 3300 MB/s handle demanding capture workloads
  • Sustained 3000 MB/s write prevents dropped frames in cinema video
  • 4 TB capacity stores extensive high-resolution photo and video libraries
  • Operates from -12 °C to 72 °C for reliable use in harsh environments

Professional CFexpress 4.0 storage

The Lexar Professional GOLD CFexpress 4.0 Type B card delivers 4TB capacity for high-end cinema cameras and professional photo workflows. It targets creators capturing 8K video or high-speed burst sequences who need sustained throughput without dropped frames.

PCIe 4.0 interface and rugged build

The PCIe 4.0 Type B connector enables maximum read speeds of 3600MB/s and maximum write speeds of 3300MB/s, with a sustained write rate of 3000MB/s. The card operates from -12°C to 72°C and survives storage from -25°C to 85°C for reliable field use.

Verify camera slot and workflow gear

Confirm your camera accepts CFexpress Type B media and supports the PCIe 4.0 protocol for full performance. A compatible CFexpress 4.0 reader is required to transfer footage at rated speeds, and firmware updates may be needed on some bodies.

Highlights

  • Read speeds up to 3600 MB/s accelerate data transfer
  • Write speeds up to 3300 MB/s handle demanding capture workloads
  • Sustained 3000 MB/s write prevents dropped frames in cinema video
  • 4 TB capacity stores extensive high-resolution photo and video libraries
  • Operates from -12 °C to 72 °C for reliable use in harsh environments

Specifications

BrandLexar
Part NumberLCXEXPR004T-RNENG
Shipping weight0.06 kg
Package size142 × 102 × 13 mm

Questions about this item

What does the CFexpress 4.0 interface cap at for this Lexar card?

The CFexpress 4.0 interface on this card delivers up to 3600MB/s read and 3300MB/s write, with sustained writes at 3000MB/s.

What camera slot does this Type B card physically need?

It fits any camera with a CFexpress Type B slot, such as the Canon EOS R5, Nikon Z9, or RED V-RAPTOR listed in the compatibility notes.

How is the card installed, and what step do people often miss?

Insert the card label-side up until it clicks; the step many miss is formatting it in the camera menu before the first shoot to avoid file-system errors.

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