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Rectangular CFexpress Type B memory card with silver label and gold contacts

ALSEYE

ALSEYE 128GB CFexpress Type B Card 2 in 1 accessory

SKU CH-XEED-WR0QJ

A 128 GB CFexpress Type B card delivering 1700 MB/s read and 1400 MB/s write for 4K and 8K RAW capture

  • Fast data transfer with 1700 MB/s read speed
  • Quick buffer clearing at 1400 MB/s write speed
  • Capture 8K RAW video without dropped frames
  • Works with CFexpress Type B and select XQD cameras
  • PCIe 3.0 NVMe protocol delivers sustained performance

What the 128 GB CFexpress Type B card is for

This CFexpress Type B card delivers sequential read speeds up to 1700 MB/s and write speeds up to 1400 MB/s using the NVMe protocol over PCIe 3.0. It is built for photographers and videographers who need reliable capture of 4K and 8K RAW footage on compatible professional cameras and camcorders.

Capacity and headroom at 128 GB

The 128 GB capacity handles simple photography and short bursts of high-bitrate 8K video comfortably. Extended continuous shooting or long-form RAW recording will exhaust the available space quickly, so professionals planning sustained high-speed workflows should consider 512 GB or 1 TB alternatives.

Backward compatibility with select XQD bodies

The card works with most CFexpress Type B slots and selected XQD cameras after a firmware update. It is confirmed compatible with Nikon D5, D6, Z6, Z7, Z9, D850, D500, Panasonic S1 and S1R, Canon EOS-1D X Mark III, EOS R5, C300 and C500 Mark III, but it does not support Sony camera bodies.

Highlights

  • Fast data transfer with 1700 MB/s read speed
  • Quick buffer clearing at 1400 MB/s write speed
  • Capture 8K RAW video without dropped frames
  • Works with CFexpress Type B and select XQD cameras
  • PCIe 3.0 NVMe protocol delivers sustained performance

Specifications

No published specifications for this item yet.

Questions about this item

Will the 128 GB CFexpress Type B card work in my Nikon D500 that currently uses XQD cards?

Yes, the card is backwards compatible with select XQD devices such as the Nikon D500, but a firmware update on the camera is required before use.

How can I verify the card is delivering the advertised 1700 MB/s read and 1400 MB/s write speeds after I install it?

Run a benchmark tool such as CrystalDiskMark or Blackmagic Disk Speed Test on a PC with a CFexpress Type B reader; the sequential results should approach 1700 MB/s read and 1400 MB/s write.

Does the package include a card reader or any adapters, or do I need to buy them separately?

The box contains only the 128 GB CFexpress Type B memory card; a compatible CFexpress Type B reader or a USB-C adapter must be purchased separately.

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