ProMaster CFexpress 4.0 Type B Card Reader

The ProMaster CFexpress 4.0 Type B Card Reader is a high-speed, versatile USB-C/USB-A solution that gives photographers and videographers fast, reliable card-to-computer data transfers. Designed for CFexpress 4.0 Type B media, it simplifies offloading RAW photos, 8K video, or high-resolution image sequences — ideal for studio work, field production, or on-the-go editing rigs.

This reader supports both USB-C and USB-A ports with a hybrid cable for maximum flexibility. Its plug-and-play design, compact build, and durable construction make it an excellent companion for professional shooters needing portability, speed, and workflow efficiency.

Key Features

• CFexpress 4.0 Type B card slot — compatible with latest CFexpress media
• USB-C and USB-A hybrid cable for flexible connectivity
• Supports high-speed data transfer (up to 10 Gbps over USB 3.2 Gen 2) — ideal for RAW, 4K/8K, and burst-photo workflows
• Compact, lightweight design — easy to carry in camera bags or laptop kits
• Simple plug-and-play operation — no additional drivers required
• LED indicator shows read/write activity

Technical Specifications

• Supported Media: CFexpress 4.0 Type B cards
• Interface: USB-C (USB 3.2 Gen 2) with built-in USB-A adapter cable
• Maximum Transfer Speed (Theoretical): up to 10 Gbps (approx. 1250 MB/s) over USB 3.2 Gen 2
• Compatibility: Windows, macOS, Linux, and any system supporting CFexpress Type B via a USB-C or USB-A port
• Connection: 1 × CFexpress Type B card slot