ProMaster CFexpress Type B & SDXC UHS-II Dual-Slot Memory Card Reader
High-Speed Transfer Hub 10 Gb/s USB 3.2 Gen 2 Type-C, Simultaneous Dual-Card Read & Aluminum Heat-Dissipation Housing
The ProMaster CFexpress Type B & SDXC UHS-II Memory Card Reader is a high-speed, dual-slot media reader designed for professional photographers, videographers, and hybrid content creators. Featuring one CFexpress Type B slot and one SDXC UHS-II slot (backward compatible with UHS-I), this reader streamlines your post-production workflow by allowing simultaneous file access and direct card-to-card backup capabilities when connected to a computer.
Engineered with a USB 3.2 Gen 2 Type-C host interface, the reader delivers throughput speeds up to 10 Gb/s for CFexpress Type B cards and up to 312 MB/s (5 Gb/s interface bandwidth) for SDXC UHS-II cards. To protect high-performance CFexpress media from thermal throttling and premature wear, the unit is housed in a durable aluminum alloy enclosure optimized for passive heat dissipation. The reader is fully USB bus-powered and includes both USB-C and USB-A connection cables for plug-and-play compatibility across modern laptop and desktop systems.
Note: This reader is designed specifically for CFexpress Type B and SD cards and is not compatible with XQD cards.
Key Features & Performance Highlights
Dual-Slot Versatility: Features dedicated CFexpress Type B and SDXC UHS-II slots for simultaneous file management and card-to-card transfers.
USB 3.2 Gen 2 Speed: Achieves maximum data transfer rates up to 10 Gb/s for rapid offloading of high-bitrate 4K/8K video and RAW photo bursts.
Thermal Management Housing: Durable aluminum alloy chassis dissipates heat effectively to safeguard memory card health and sustain peak transfer rates.
Universal Connectivity Included: Comes bundled with separate 60cm USB-C and USB-A host cables for versatile device compatibility.
Bus-Powered Convenience: Operates directly off host USB power without requiring an external AC power adapter.
Technical Specifications
Product Type: Dual-Slot Memory Card Reader
Card Slots: 1x CFexpress Type B, 1x SDXC UHS-II (UHS-I Backward Compatible)
Host Interface: USB 3.2 Gen 2 (10 Gb/s) via USB Type-C Port
Maximum Data Transfer Rate: Up to 10 Gb/s (CFexpress Type B) | Up to 5 Gb/s Interface / 312 MB/s (SDXC UHS-II)
Enclosure Material: Anodized Aluminum Alloy Structure
Power Source: USB Bus-Powered
Included Host Cables: 1x USB-C to USB-C Cable (60 cm) | 1x USB-C to USB-A Cable (60 cm)
System Compatibility: Windows, macOS, iPadOS, ChromeOS



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