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OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer
OWC

OWC Atlas USB4 (40Gb/s) CFexpress 4.0 Type B Card Reader/Writer

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Ultra-fast compact USB4 (40Gb/s) CFexpress 4.0 Type B card reader for creative professionals

Maximum Compatibility: plug and play with USB4, Thunderbolt 4, and USB-C equipped Macs, Windows PCs, iPads, Chromebooks, tablets, and smartphones

Maximum Performance: Ingest at up to 5000MB/s speed. Over 3300MB/s real world performance when tested with an OWC Atlas Ultra CFExpress Type B card1

Mobile Ready: pocket-sized and bus-powered

Stable: non-skid rubber feet keep reader in place while OWC ClingOn secures the included USB-C connecting cable2

Informative: confirm use status instantly via integrated LED

Complete: includes Innergize™ health, performance, and field upgrade management tool for OWC Atlas Memory Cards

Blast Off to A New World of Productivity
Leave workflow constraints behind and blast off into a new world of productivity with the Atlas USB4 CFexpress 4.0 Type B Card Reader. Powered by all “the right stuff” when it comes to performance, compatibility, and convenience, you’ll save time with our fastest CFexpress memory card reader by dramatically reducing ingestion time while being able to work practically anywhere with millions of past, present, and future USB machines and devices.

It’s Your Time
Your productivity is only as good as your gear. You paid a lot for that blazing fast external drive, so don’t handcuff its speed by offloading to it from a slow reader. Keep investing in your workflow and reap the reward of gaining precious time back for your personal life by streamlining projects with the Atlas USB4 CFexpress 4.0 Type B Card Reader.

As Fast as the Card and Connection
Featuring a highly effective heat sink and heat-resistant internal components to prevent thermal throttling, the Atlas USB4 CFexpress 4.0 Type B Card Reader is the fastest and most reliable solution available for ingesting CFexpress 4.0 Type B media cards. You can also use this innovative little gem to get maximum speed from your CFexpress 2.0 Type B cards. With automatic computer connection speed detection, you’ll always get maximum performance in every use.

Over 4x Faster Ingest vs USB 3 Readers
You’re a pro so you’re expected to move at the speed of innovation. While USB-C 10Gb/s readers are fast, you will dramatically reduce ingest time when you power your work with the Atlas USB4 CFexpress 4.0 Type B Card Reader. And depending on the computer you connect to, it’s twice as fast as our previously fastest Atlas FXR Thunderbolt reader!

Pocked-Sized Powerhouse
Slip the Atlas USB4 CFexpress 4.0 Type B Card Reader into your smallest camera bag while still being able to pack all the accessories you need to capture incredible content. You can also pair this pocket-sized reader with a USB-C equipped tablet to create a super lightweight yet mightily powerful capture and edit solution.

  • Memory Card Slots: (1) CFexpress 4.0 Type B
  • Device Ports: (1) Host Port - USB4 (USB-C) up to 40Gb/s (5000MB/s) - USB 3.0/USB 3.2 backwards compatible
  • Host Interface Requirements: USB4, USB-C, Thunderbolt 4, or Thunderbolt 3 port
  • Mac OS Compatibility: macOS 11.x Big Sur, macOS 12.x Monterey, macOS 13.x Ventura, macOS 14.x Sonoma
  • PC OS Compatibility: Windows 10 32-bit Edition, Windows 10 64-bit Edition, Windows 11
  • Mobile OS Compatibility: iOS 17, iPadOS 15, iPadOS 16, iPadOS 17, Android 13.x
  • Other OS Compatibility: Chrome OS (latest version recommended)
  • Power Supply: Bus-powered
  • Dimensions: Height: 2.3 cm (0.9 in), Length: 7.9 cm (3.1 in), Width: 7.9 cm (3.1 in)
  • Weight: 144.0 g (0.32 lbs)
  • Country of Origin: Taiwan
  • TAA Compliance: Yes
  • Notes: To obtain maximum reader performance, Apple Mac M2, M1 Pro, and M1 Max machine users should update to macOS 13.3 or later. Apple Mac M1 users will experience lower than stated reader performance due to M1 data transfer performance. Learn more on the OWC Blog. Over 3300MB/s real world read performance was observed based on testing OWC Atlas Ultra 2.0TB CFexpress 4.0 Type B card in the OWC Atlas USB4 CFexpress 4.0 Type B Card Reader connected to a Dell XPS 9315 with i5-1230U and 8GB RAM, in Windows 11 Pro using Crystal Disk Mark (1GB file size). Performance will vary depending on host hardware, software, usage, and CFexpress memory card used.
  • Notes: Thunderbolt 3 requires macOS 11.1 or later. macOS 10.13 & later supported after enabling the Innergize support switch.
  • iMac:
    • 2017 iMac18,1 - A1418 - EMC3068
    • 2017 iMac18,2 - A1418 - EMC3069
    • 2017 iMac18,3 - A1419 - EMC3070
    • 2019 iMac19,1 - A2115 - EMC3194
    • 2019 iMac19,2 - A2116 - EMC3195
    • 2020 iMac20,1 - A2115 - EMC3442
    • 2020 iMac20,2 - A2115 - EMC3442
    • 2021 iMac21,1 - A2438 - EMC3663 - M1
    • 2021 iMac21,2 - A2439 - EMC3664 - M1
    • 2023 Mac15,4 - A2874 - EMC8207 - M3
    • 2023 Mac15,5 - A2873 - EMC8206 - M3
  • iMacPro:
    • 2017 iMacPro1,1 - A1862 - EMC3144
  • MacBookAir:
    • 2018 MacBookAir8,1 - A1932 - EMC3184
    • 2019 MacBookAir8,2 - A1932 - EMC3184
    • 2020 MacBookAir9,1 - A2179 - EMC3302
    • 2020 MacBookAir10,1 - A2337 - EMC3598 - M1
    • 2022 Mac14,2 - A2681 - EMC4074 - M2
    • 2023 Mac14,15 - A2941 - EMC8301 - M2
    • 2024 Mac15,12 - A3113 - EMC8611 - M3
    • 2024 Mac15,13 - A3114 - EMC8612 - M3
  • MacBookPro:
    • 2016 MacBookPro13,1 - A1708 - EMC2978
    • 2016 MacBookPro13,2 - A1706 - EMC3071
    • 2017 MacBookPro13,3 - A1707 - EMC3072
    • 2017 MacBookPro14,1 - A1708 - EMC3164
    • 2017 MacBookPro14,2 - A1706 - EMC3163
    • 2017 MacBookPro14,3 - A1707 - EMC3162
    • 2018 MacBookPro15,1 - A1990 - EMC3215
    • 2018 MacBookPro15,2 - A1989 - EMC3214
    • 2018 MacBookPro15,3 - A1990 - EMC3215
    • 2019 MacBookPro15,1 - A1990 - EMC3359
    • 2019 MacBookPro15,2 - A1989 - EMC3358
    • 2019 MacBookPro15,3 - A1990 - EMC3359
    • 2019 MacBookPro15,4 - A2159 - EMC3301
    • 2019 MacBookPro16,1 - A2141 - EMC3347
    • 2019 MacBookPro16,4 - A2141 - EMC3347
    • 2020 MacBookPro16,2 - A2251 - EMC3348
    • 2020 MacBookPro16,3 - A2289 - EMC3456
    • 2020 MacBookPro17,1 - A2338 - EMC3578 - M1
    • 2021 MacBookPro18,1 - A2485 - EMC3651 - M1 Pro
    • 2021 MacBookPro18,2 - A2485 - EMC3651 - M1 MAX
    • 2021 MacBookPro18,3 - A2442 - EMC3650 - M1 Pro
    • 2021 MacBookPro18,4 - A2442 - EMC3650 - M1 Max
    • 2022 Mac14,7 - A2338 - EMC8162 - M2
    • 2023 Mac14,10 - A2780 M2 Pro
    • 2023 Mac14,5 - A2779 M2 Max
    • 2023 Mac14,6 - A2780 M2 Max
    • 2023 Mac14,9 - A2779 M2 Pro
    • 2023 Mac15,10 - A2992 - EMC8407 - M3 Max
    • 2023 Mac15,11 - A2991 - EMC8408 - M3 Max
    • 2023 Mac15,6 - A2992 - EMC8407 - M3 Pro
    • 2023 Mac15,3 - A2918 - EMC8304 - M3
    • 2023 Mac15,7 - A2991 - EMC8408 - M3 Pro
    • 2023 Mac15,8 - A2992 - EMC8407 - M3 Max
    • 2023 Mac15,9 - A2991 - EMC8408 - M3 Max
  • Mac Pro:
    • 2019 MacPro7,1 - A1991 - EMC3203
    • 2023 Mac14,8 - A2786 - EMC8163 - M2 Ultra
  • Mac Pro Rack:
    • 2019 MacPro7,1 - A2304 - EMC3413
    • 2023 Mac14,8 - A2787 - EMC8164 - M2 Ultra
  • Mac Studio:
    • 2022 Mac13,1 - A2615 - EMC3988 - M1 Max
    • 2022 Mac13,2 - A2615 - EMC3988 - M1 Ultra
    • 2023 Mac14,14 - A2901 - EMC8292 - M2 Ultra
    • 2023 Mac14,13 - A2901 - EMC8292 - M2 Max
  • Macmini:
    • 2018 Macmini8,1 - A1993 - EMC3213
    • 2020 Macmini9,1 - A2348 - EMC3569 - M1
    • 2023 Mac14,3 - A2686 - EMC8003 - M2
    • 2023 Mac14,12 - A2816 - EMC8180 - M2 Pro
  • iPad:
    • 2018 iPad8,1 - Apple A12 Bionic
    • 2018 iPad8,2 - Apple A12 Bionic
    • 2018 iPad8,3 - Apple A12 Bionic
    • 2018 iPad8,4 - Apple A12 Bionic
    • 2018 iPad8,5 - Apple A12 Bionic
    • 2018 iPad8,6 - Apple A12 Bionic
    • 2018 iPad8,7 - Apple A12 Bionic
    • 2018 iPad8,8 - Apple A12 Bionic
    • 2020 iPad8,10 - Apple A12Z Bionic
    • 2020 iPad8,11 - Apple A12Z Bionic
    • 2020 iPad8,12 - A12Z Bionic
    • 2020 iPad8,9 - A12Z Bionic
    • 2020 iPad13,1 - Apple A14 Bionic
    • 2020 iPad13,2 - Apple A14 Bionic
    • 2021 iPad13,11 - Apple M1
    • 2021 iPad13,10 - Apple M1
    • 2021 iPad13,4 - Apple M1
    • 2021 iPad13,5 - Apple M1
    • 2021 iPad13,6 - Apple M1
    • 2021 iPad13,7 - Apple M1
    • 2021 iPad13,8 - Apple M1
    • 2021 iPad13,9 - Apple M1
    • 2022 iPad13,16 - Apple M1
    • 2022 iPad13,17 - Apple M1
    • 2022 iPad14,3 - Apple M2
    • 2022 iPad14,4 - Apple M2
    • 2022 iPad14,5 - Apple M2
    • 2022 iPad14,6 - Apple M2
  • iPhone:
    • 15 Pro | 2023 iPhone16,1 - Apple A17 Pro
    • 15 Pro | 2023 iPhone16,2 - Apple A17 Pro
  • PC Compatible

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