

🚀 Speed meets versatility — never wait to create!
The OWC Atlas USB4 CFexpress 4.0 Type B Card Reader delivers professional-grade, bus-powered performance with up to 40Gb/s USB4 connectivity and real-world speeds reaching 5000MB/s. Compatible across multiple platforms including Macs, Windows PCs, iPads, and more, it supports both CFexpress Type A and B cards. Its compact, fanless design ensures stable, quiet operation, while included accessories and a 2-year warranty make it a reliable choice for fast, efficient media ingest.







| ASIN | B0CVSJXR3K |
| Additional Features | Plug & Play |
| Best Sellers Rank | #244 in Computer Memory Card Readers |
| Brand | OWC |
| Color | Silver |
| Compatible Devices | Compatible with USB4, Thunderbolt 4, and USB-C equipped Macs, Windows PCs, iPads, Chromebooks, tablets, and smartphones Compatible Devices Compatible with USB4, Thunderbolt 4, and USB-C equipped Macs, Windows PCs, iPads, Chromebooks, tablets, and smartphones See more |
| Connectivity Technology | USB Type C |
| Customer Reviews | 4.6 out of 5 stars 91 Reviews |
| Data Transfer Rate | 5000 Megabits Per Second |
| Global Trade Identification Number | 00810149208904 |
| Hardware Interface | Thunderbolt 4, USB Type C |
| Item Dimensions L x W x H | 3.1"L x 3.1"W x 0.9"H |
| Item Type Name | USB4 CFexpress 4.0 Type B Card Reader |
| Item Weight | 145 Grams |
| Manufacturer | Other World Computing |
| Media Type | CFexpress |
| Model Name | Atlas USB4 CFexpress 4.0 Type B Card Reader |
| Operating System | Multi-platform |
| Special Feature | Plug & Play |
| UPC | 810149208904 |
| Unit Count | 1.0 Count |
| Warranty Description | 2 Year OWC Limited Warranty |
I**N
Good fast reader
Works flawlessly. Very fast. I'm using with CFExpress type A 4.0 cards, and an getting very close to the published speeds. Important to connect with good USB C 4 cables, otherwise the speed dropped off significantly.
J**R
But this product
Super fast download. Great size
D**Y
Works well with my MacBook.
Works well with my card and MacBook Pro. No issues at all.
A**E
THIS THING IS AWESOME
Why did you pick this product vs others?: I brought this card reader because the one I have now works, but transfers the files ( my pictures ) so slow and gets really hot. So hot that one time I could not hold the CFexpress card in my hand. That was when I decided to stop being cheap and buy this one. THIS CARD READER IS AWESOME. It moves my files quick fast and does not get hot. If you buy this card reader you won't regret it.
N**S
Card reader requires macOS 11.x Big Sur or later
My iMac runs macOS 10.14.6 Mojave to be compatible with Aperture.app. There is no mention that card reader requires macOS 11.x Big Sur or later on the Amazon webpage. The Card Reader works as expected on my MacBook running a later version of macOS but not on my iMac where I need it.
C**R
Works how it should
Works great, no complaints here. Transfers data fast!
Z**N
Ridiculously, insanely fast. If you have a dedicated TB4 port for it, buy it!!!
The first time I used this reader I was completely blown away at its speed. When importing photos into Lightroom Classic from a CFexpress B card, I was used to starting the import and grabbing a beverage and perhaps a snack while it imported ~300 RAW photos from my 45 MP camera. Instead, using this reader I didn't even make it to the refrigerator before I heard the "ding" indicating the import had completed. This reader absolutely FLIES, and you won't be sorry you purchased it (unless you will miss those photo import snack/drink breaks.)
J**R
Works Great
I wish it was smaller, but it works as advertised. No complaints on function.
TrustPilot
1 个月前
1天前