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Lexar Gold CFexpress 4.0 Type-A card, 256GB, black rectangular form

Lexar

Lexar LCAEXG4256G-RNENG 256GB CFexpress 4.0 Type-A memory card

SKU CH-1N0W-CQ09W MPN LCAEXG4256G-RNENG

A 256GB CFexpress 4.0 Type-A card delivering 1800MB/s read, 1650MB/s write and sustained 1400MB/s for raw 8K video, IP68 rated

  • TypeCFExpress
  • Capacity256GB
  • Records Raw 8K video with 1400 MB/s sustained write speed
  • Reads data at up to 1800 MB/s via PCIe 4.0 bus
  • Survives harsh shoots with IP68 dust and water protection
  • Handles heavy workloads with 400 MB/s minimum write guarantee
  • Stores extended sessions on 256GB capacity

256GB CFexpress 4.0 Type-A for cinema workflows

This Lexar Gold Series card delivers 256GB of storage on the CFexpress 4.0 Type-A form factor. It targets professional cinematographers and high-resolution photographers who need reliable media for extended 8K raw recording sessions.

PCIe 4.0 bus with IP68 ruggedisation

The card connects through a PCIe 4.0 interface inside compatible camera bodies and card readers. An IP68 rating protects against dust and water ingress, while the design resists vibration, shock, bending and 150N of pressure for location work.

Replaces slower CFexpress Type-A or UHS-II cards

The upgrade is justified when sustained write speeds of 1400 MB/s and a minimum write speed of 400 MB/s are required to prevent dropped frames in 8K raw. It is not suited for cameras that only accept SD or CFexpress Type-B media.

Highlights

  • Records Raw 8K video with 1400 MB/s sustained write speed
  • Reads data at up to 1800 MB/s via PCIe 4.0 bus
  • Survives harsh shoots with IP68 dust and water protection
  • Handles heavy workloads with 400 MB/s minimum write guarantee
  • Stores extended sessions on 256GB capacity

Specifications

BrandLexar
ModelLCAEXG4256G-RNENG
Part NumberLCAEXG4256G-RNENG
TypeCFExpress
Capacity256GB
Shipping weight0.04 kg
Package size138 × 99 × 13 mm

Questions about this item

At what sustained write speed does the card level off during long 8K recording sessions?

The card sustains 1400 MB/s write performance, with a guaranteed minimum of 400 MB/s (VPG400), so it will not drop below that floor during extended capture.

How hot or loud does the card get when writing continuously at 1400 MB/s for hours?

As a solid-state device with no moving parts it produces no audible noise; the IP68-rated metal shell dissipates heat and is rated for 12,000× wear-out resistance and 150 N pressure, so temperature rise stays within the rugged design envelope.

Which reader is required to achieve the 1800 MB/s read and 1650 MB/s write rates?

A CFexpress 4.0 Type-A reader with a PCIe 4.0 interface — such as the Lexar Professional Workflow CFexpress 4.0 Type-A Card Reader — is needed to unlock the full bus speed.

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