---
product_id: 687922284
title: "Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 USB-C Port, Bus Powered, Includes Type A>B Adapter for Fast ingest of Type A Cards, Up to 5000MB/s Real-World Speed, USB-C Cable"
brand: "owc"
price: "C$19594"
currency: NIO
in_stock: true
reviews_count: 5
category: "Owc"
url: https://www.desertcart.ni/products/687922284-atlas-usb4-cfexpress-4-0-type-b-card-reader-40gb
store_origin: NI
region: Nicaragua
---

# 40Gb/s USB4 blazing speed Supports CFexpress 4.0 Type A & B Plug & play multi-OS compatibility Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 USB-C Port, Bus Powered, Includes Type A>B Adapter for Fast ingest of Type A Cards, Up to 5000MB/s Real-World Speed, USB-C Cable

**Brand:** owc
**Price:** C$19594
**Availability:** ✅ In Stock

## Summary

> ⚡ Speed Meets Precision: The Ultimate CFexpress Reader for the Modern Pro

## Quick Answers

- **What is this?** Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 USB-C Port, Bus Powered, Includes Type A>B Adapter for Fast ingest of Type A Cards, Up to 5000MB/s Real-World Speed, USB-C Cable by owc
- **How much does it cost?** C$19594 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/687922284-atlas-usb4-cfexpress-4-0-type-b-card-reader-40gb)

## Best For

- owc enthusiasts

## Why This Product

- Trusted owc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Secure & Stable Setup:** Non-skid rubber feet and OWC ClingOn cable management keep your workspace tidy and reliable.
- • **Cool & Quiet Operation:** Fanless, thermally efficient design keeps your reader cool during marathon editing sessions.
- • **Plug & Play Across Devices:** Effortless compatibility with Macs, PCs, iPads, Chromebooks, and smartphones.
- • **Blazing 40Gb/s USB4 Interface:** Maximize your workflow with ultra-fast data transfer speeds up to 5000MB/s.
- • **Universal CFexpress 4.0 Support:** Seamlessly read both Type A and Type B cards for ultimate flexibility.

## Overview

The OWC Atlas USB4 CFexpress 4.0 Type B Card Reader delivers industry-leading 40Gb/s USB4 speeds with real-world transfer rates up to 5000MB/s. It supports both CFexpress Type A and B cards, ensuring broad compatibility. Designed for professionals, it offers plug-and-play functionality across multiple platforms including Macs, PCs, iPads, and smartphones. Its fanless, thermally efficient build keeps it cool under pressure, while non-skid feet and cable management ensure a stable, clutter-free workspace. Backed by a 2-year warranty and advanced management tools, it’s the go-to choice for fast, reliable media ingestion.

## Description

OWC Atlas CFexpress 4.0 Type B Card Read

Review: Blazing Fast Speeds – A Game Changer for Workflow! - I am extremely impressed with the OWC Atlas USB4 CFexpress 4.0 Type B Card Reader. If you are working with high-resolution video or massive photo batches, this reader is a must-have. The 40Gb/s USB4 interface is incredibly fast. I noticed a significant reduction in offload times compared to my older USB-C readers; it truly maximizes the potential of CFexpress 4.0 cards while remaining backwards compatible with 2.0 cards. The build quality is exactly what you’d expect from OWC—solid, professional, and it stays relatively cool even during sustained high-speed transfers. I also appreciate the compact design and the included high-quality USB4 cable. It’s plug-and-play and has worked flawlessly with my Mac and PC setups. It’s an investment, but for the time it saves in post-production, it’s worth every penny.
Review: 抜群に速くて熱くない - 以前はProGrade Digital ダブルスロットカードリーダー (PG05.5) でしたが カードが死ぬかと思う程の爆熱になるので AngelBirdの3.2gen2のカードリーダを試したら 全然発熱しないので、今度は40Gbpsのコチラも試しました。 速度は3000MB/Sを超えるし、カードの温度も 暖かくなる程度で非常に満足です。 PGのリーダーで爆熱で心配の方はコチラがおすすめです。

## Features

- 1 x 40Gb/s USB4 (USB-C) port; Fully compliant up to CFexpress 4.0 Type B and Type A specification; Bus powered via a USB-C host port
- 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 memory card
- Non-skid rubber feet keep reader in place while OWC ClingOn secures the included USB-C connecting cable; Fanless thermally efficient design keeps reading cards at top speed; Confirm use status instantly via integrated LED
- 2 Year OWC Limited Warranty; Includes Innergize health, performance, and field upgrade management tool when using OWC Atlas memory cards
- Flexible: Works with CFexpress Type B and Type A memory cards

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CVSJXR3K |
| Best Sellers Rank | 21,725 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 226 in External Memory Card Readers |
| Box Contents | 1 package |
| Brand | OWC |
| Brand Name | OWC |
| Colour | Black |
| Compatible Devices | Laptop, Personal Computer, Smartphone, Tablet |
| Compatible devices | Laptop, Personal Computer, Smartphone, Tablet |
| Connectivity technology | USB-C, Thunderbolt 4 |
| Country of Origin | Taiwan |
| Customer Reviews | 4.6 out of 5 stars 100 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 | 7.9L x 7.9W x 2.3H centimetres |
| Item Weight | 145 Grams |
| Manufacturer | OWC |
| Manufacturer Part Number | OWCTCCFXB4RDR |
| Media Type | CFexpress |
| Media type | CFexpress |
| Model Name | Atlas |
| Model Number | OWCTCCFXB4RDR |
| Network Connectivity Technology | USB-C, Thunderbolt 4 |
| Operating System | All operating systems |
| Product Features | Compact, Plug & Play |
| Product Warranty | 2 year manufacturer |
| Slot Count | 1 |
| Special feature | Compact, Plug & Play |
| UPC | 810149208904 |

## Product Details

- **Brand:** OWC
- **Colour:** Black
- **Connectivity technology:** USB-C, Thunderbolt 4
- **Media type:** CFexpress
- **Special feature:** Compact, Plug & Play

## Images

![Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 USB-C Port, Bus Powered, Includes Type A>B Adapter for Fast ingest of Type A Cards, Up to 5000MB/s Real-World Speed, USB-C Cable - Image 1](https://m.media-amazon.com/images/I/61gexfAI5EL.jpg)
![Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 USB-C Port, Bus Powered, Includes Type A>B Adapter for Fast ingest of Type A Cards, Up to 5000MB/s Real-World Speed, USB-C Cable - Image 2](https://m.media-amazon.com/images/I/71HD7yEIZRL.jpg)
![Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 USB-C Port, Bus Powered, Includes Type A>B Adapter for Fast ingest of Type A Cards, Up to 5000MB/s Real-World Speed, USB-C Cable - Image 3](https://m.media-amazon.com/images/I/619Izv0yf6L.jpg)
![Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 USB-C Port, Bus Powered, Includes Type A>B Adapter for Fast ingest of Type A Cards, Up to 5000MB/s Real-World Speed, USB-C Cable - Image 4](https://m.media-amazon.com/images/I/81wTdG-fLJL.jpg)
![Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 USB-C Port, Bus Powered, Includes Type A>B Adapter for Fast ingest of Type A Cards, Up to 5000MB/s Real-World Speed, USB-C Cable - Image 5](https://m.media-amazon.com/images/I/71fNEO9eO8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Blazing Fast Speeds – A Game Changer for Workflow!
*by J***A on 25 March 2026*

I am extremely impressed with the OWC Atlas USB4 CFexpress 4.0 Type B Card Reader. If you are working with high-resolution video or massive photo batches, this reader is a must-have. The 40Gb/s USB4 interface is incredibly fast. I noticed a significant reduction in offload times compared to my older USB-C readers; it truly maximizes the potential of CFexpress 4.0 cards while remaining backwards compatible with 2.0 cards. The build quality is exactly what you’d expect from OWC—solid, professional, and it stays relatively cool even during sustained high-speed transfers. I also appreciate the compact design and the included high-quality USB4 cable. It’s plug-and-play and has worked flawlessly with my Mac and PC setups. It’s an investment, but for the time it saves in post-production, it’s worth every penny.

### ⭐⭐⭐⭐⭐ 抜群に速くて熱くない
*by レ***ー on 8 January 2026*

以前はProGrade Digital ダブルスロットカードリーダー (PG05.5) でしたが カードが死ぬかと思う程の爆熱になるので AngelBirdの3.2gen2のカードリーダを試したら 全然発熱しないので、今度は40Gbpsのコチラも試しました。 速度は3000MB/Sを超えるし、カードの温度も 暖かくなる程度で非常に満足です。 PGのリーダーで爆熱で心配の方はコチラがおすすめです。

### ⭐⭐⭐⭐⭐ Excellent
*by L***Y on 19 February 2026*

Very fast

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**Shop now:** [https://www.desertcart.ni/products/687922284-atlas-usb4-cfexpress-4-0-type-b-card-reader-40gb](https://www.desertcart.ni/products/687922284-atlas-usb4-cfexpress-4-0-type-b-card-reader-40gb)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-07-21*