BENFEI CFexpress Type B Card Reader

Summary of Rig Logs

With Generic Windows PC (BTO / custom build)

Result	#		Sources for this summary
Works	1	weight 4.0	#2310

Model numbers and firmware

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Reported together with

Product name	Works	Works with tweaks	Partially works	Unstable	Doesn't work
Generic Windows PC (BTO / custom build) Laptops & desktop PCs	1					View as combination
Angelbird AV PRO SE v4 Memory cards	1					View as combination

Connection map

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Rig Logs including this product

Rig Log #2310 2026-10-24

Works Running time: 1 year+ User report weight 4.0

Host Generic Windows PC (BTO / custom build)
Card readers BENFEI CFexpress Type B Card Reader
Memory cards Angelbird AV PRO SE v4 512GB

No particular problems in use. I don't know the cause, but when connected to a PC via USB-A 3.1, I can move files as large as 300 GB in a few minutes. The speed sometimes gets faster and sometimes slower, but I don't really know whether it is caused by the USB hub or by heat from the CFexpress Type B card. I haven't found it inconvenient in particular.