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Green printed circuit board with silver PCIe bracket and CFexpress Type-B slot

SMUGDESK

SMUGDESK PCIe X4 to CFexpress Type-B Adapter Card

SKU CH-6WZN-77GSS

Turns a spare PCIe X4 slot into a CFexpress Type-B reader for fast RAW file transfers from Canon R5, Nikon Z6 and Z7 cameras

  • Converts PCIe X4 slot to CFexpress Type-B reader for direct camera card access
  • Reads CFexpress Type-B cards from Canon R5, Nikon Z6 and Z7 cameras
  • PCIe high-speed transmission accelerates large RAW video file preview and transfer
  • Standard PCIe bracket fits desktop cases for clean internal installation
  • Works with Windows and Linux for studio photo editing workflow

PCIe X4 CFexpress Type-B Adapter

The SMUGDESK PCIe X4 to CFexpress Type-B Adapter Card converts a spare motherboard PCIe X4 slot into an internal CFexpress Type-B card reader. It targets photographers and videographers using Canon R5, Nikon Z6 or Z7 cameras who want to ingest large RAW files directly inside a desktop workstation. The card eliminates the need for an external reader and its associated cable.

PCIe X4 Bandwidth and Host Limits

The adapter relies on the PCIe X4 interface, so maximum sustained transfer speed cannot exceed the host slot's generation and lane allocation. Real-world throughput will also depend on the CFexpress Type-B card's own rated performance and the operating system's storage stack. Systems limited to PCIe 3.0 X4 will cap below the theoretical ceiling of newer cards.

Standard Bracket Build and Internal Mount

A compact standard PCIe bracket secures the adapter in a typical desktop chassis, exposing the CFexpress Type-B slot at the rear panel for direct card insertion. This internal mounting avoids desktop clutter and accidental disconnection during long ingest sessions. Driver-free operation on mainstream Windows and Linux distributions keeps the workflow simple for studio editing environments.

Highlights

  • Converts PCIe X4 slot to CFexpress Type-B reader for direct camera card access
  • Reads CFexpress Type-B cards from Canon R5, Nikon Z6 and Z7 cameras
  • PCIe high-speed transmission accelerates large RAW video file preview and transfer
  • Standard PCIe bracket fits desktop cases for clean internal installation
  • Works with Windows and Linux for studio photo editing workflow

Specifications

No published specifications for this item yet.

Questions about this item

Should I pick a PCIe x4 or a smaller x1 slot for this CFexpress Type-B adapter?

Install the card in a PCIe x4 slot; the x4 lane width matches the adapter’s design and gives the full transfer speed the CFexpress Type-B card can deliver.

What real-world transfer rate can I expect when reading a CFexpress Type-B card through this adapter?

The adapter uses a PCIe x4 electrical link, so the CFexpress card runs at its native speed — typically several gigabytes per second for large RAW video files.

Does the PCIe x4 interface limit the performance of high-speed CFexpress Type-B cards?

No, the x4 lane width provides enough bandwidth for current CFexpress Type-B cards, so the adapter does not bottleneck the card’s maximum read speed.

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