Head to head

OWC Atlas CFexpress Card Reader vs ProGrade Digital PGM12

Our pick

OWC Atlas CFexpress Card Reader

CFexpress-Only Card Readers

Why this one

Choose the OWC Atlas reader to offload CFexpress Type B cards through USB4 without packing a separate power adapter.¹

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Product photographs. Not to scale.

What ProGrade Digital PGM12 offers

Choose the ProGrade Digital PGM12 for magnetic mounting in a Type A setup using USB 3.2 Gen 2; it is also bus-powered.²³

What differs

Specification	OWC Atlas CFexpress Card Reader	ProGrade Digital PGM12
Connection	USB4 (40Gb/s)¹	USB 3.2 Gen 2²

More details

Specification	OWC Atlas CFexpress Card Reader	ProGrade Digital PGM12
Reads CFexpress Type A cards	Yes¹	Yes²
Reads CFexpress Type B cards	Yes¹	Not published
Card slots	1⁴	1³
Rated transfer speed	5,000 MB/s¹	1,250 MB/s (1.25 GB/s) (Host interface: Manufacturer-advertised upper limit over USB 3.2 Gen 2; no measured throughput result stated.)²
Tested read speed	Not published	Not published
Works with older CFexpress 2.0 cards	Yes¹	Yes²
Magnetic mounting	Not published	Yes²
Built-in cable	No⁴	Not published

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