---
product_id: 759056846
title: "OWC Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 (USB-C) Port, Bus Powered via a USB-C Host Port, Up to 5000MB/s Real-World Speed, USB-C Cable Included"
brand: "owc"
price: "S$394"
currency: SGD
in_stock: false
reviews_count: 5
category: "Owc"
url: https://www.desertcart.sg/products/759056846-owc-atlas-usb4-cfexpress-4-0-type-b-card-reader
store_origin: SG
region: Singapore
---

# 40Gb/s USB4 port Bus powered via USB-C host Up to 5000MB/s real-world speed OWC Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 (USB-C) Port, Bus Powered via a USB-C Host Port, Up to 5000MB/s Real-World Speed, USB-C Cable Included

**Brand:** owc
**Price:** S$394
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Power your creative hustle with the fastest CFexpress reader on the block!

## Quick Answers

- **What is this?** OWC Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 (USB-C) Port, Bus Powered via a USB-C Host Port, Up to 5000MB/s Real-World Speed, USB-C Cable Included by owc
- **How much does it cost?** S$394 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/759056846-owc-atlas-usb4-cfexpress-4-0-type-b-card-reader)

## 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

- • **Blazing-Fast Transfers:** Experience ultra-high-speed data ingestion at up to 5000MB/s to keep your workflow lightning quick.
- • **Compact & Portable Design:** Smartphone-sized and lightweight, it fits perfectly in your gear bag for on-the-go productivity.
- • **Secure & Stable Connection:** Non-skid rubber feet and OWC ClingOn cable management keep your setup steady and cable tangle-free.
- • **Thermally Efficient & Silent:** Fanless design ensures consistent top speeds without distracting noise or overheating.
- • **Universal USB4 & Thunderbolt 4 Compatibility:** Seamlessly plug and play across Macs, Windows PCs, iPads, Chromebooks, and more—no adapters needed.

## Overview

The OWC Atlas USB4 CFexpress 4.0 Type B Card Reader delivers professional-grade performance with a 40Gb/s USB4 port and up to 5000MB/s real-world transfer speeds. Bus powered and compact, it offers broad compatibility with USB4, Thunderbolt 4, and USB-C devices including Macs, PCs, and tablets. Designed for creatives who demand speed and portability, it features a fanless, thermally efficient build, secure cable management, and plug-and-play convenience—all backed by a 2-year warranty.

## Description

The Atlas USB4 CFexpress 4.0 Type B Card Reader maximizes creative pros’ productivity with ultra-fast ingest speeds, broad compatibility, and compact, bus powered convenience. With up to 5000MB/s data transfers, this is the perfect reader for CFexpress 4.0 Type B cards with large files that must be transferred quickly to save time and stay on budget. Combine this reader with an Atlas CFexpress 4.0 memory card to experience the power of OWC’s Capture to Completion ecosystem that delivers the highest level of workflow efficiency and reliability. Sized and weighing like a compact smartphone, the reader easily slips into a pocket or gear bag. An included USB-C cable makes the Atlas USB4 CFexpress 4.0 Type B Card Reader conveniently ready for portable use with USB-C equipped Macs, Windows PCs, iPads, Chromebooks, tablets, and smartphones.

Review: SONYαユーザーですがCFexpress TypeA to B変換カードが付いてるので購入しました。問題無くCFexpress TypeAカード使えてます、注意点としては変換カードにはType Aカードを裏返して挿入して下さいね、間違って表で挿入してはいけません。0.7mThunderbolt4ケーブルも付いてきてお得ですね、おすすめ。
Review: 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.

## Features

- 1 x 40Gb/s USB4 (USB-C) port; Fully compliant up to CFexpress 4.0 Type B 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CVSJXR3K |
| Batteries Included | No |
| Batteries Required | No |
| Brand | OWC |
| Compatible Devices | Compatible with USB4, Thunderbolt 4, and USB-C equipped Macs, Windows PCs, iPads, Chromebooks, tablets, and smartphones |
| Connector Type | USB Type C |
| Country of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (83) |
| Data Transfer Rate | 5000 Megabits Per Second |
| Date First Available | 29 March 2024 |
| Generic Name | USB4 CFexpress 4.0 Type B Card Reader |
| Hardware Interface | Thunderbolt 4, USB Type C |
| Hardware Platform | Mac, PC |
| Includes Rechargeable Battery | No |
| Item Dimensions LxWxH | 7.9 x 7.9 x 2.3 Centimeters |
| Item Weight | 145 g |
| Item model number | OWCTCCFXB4RDR |
| Manufacturer | Other World Computing |
| Media type | CFexpress |
| Model | OWCTCCFXB4RDR |
| Model Name | Atlas USB4 CFexpress 4.0 Type B Card Reader |
| Net Quantity | 1.0 Count |
| Number of items | 1 |
| Operating System | macOS, Windows, iOS, Chrome OS |
| Product Dimensions | 7.87 x 7.87 x 2.29 cm; 145 g |
| Special Features | Compact, Plug & Play |
| Voltage | 5 Volts |

## Product Details

- **Brand:** OWC
- **Colour:** Silver
- **Connectivity Technology:** USB Type C
- **Media Type:** CFexpress
- **Special Feature:** Compact, Plug & Play

## Images

![OWC Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 (USB-C) Port, Bus Powered via a USB-C Host Port, Up to 5000MB/s Real-World Speed, USB-C Cable Included - Image 1](https://m.media-amazon.com/images/I/31wGagLJP9L.jpg)
![OWC Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 (USB-C) Port, Bus Powered via a USB-C Host Port, Up to 5000MB/s Real-World Speed, USB-C Cable Included - Image 2](https://m.media-amazon.com/images/I/416ME8S2U4L.jpg)
![OWC Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 (USB-C) Port, Bus Powered via a USB-C Host Port, Up to 5000MB/s Real-World Speed, USB-C Cable Included - Image 3](https://m.media-amazon.com/images/I/41DLazVXQxL.jpg)
![OWC Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 (USB-C) Port, Bus Powered via a USB-C Host Port, Up to 5000MB/s Real-World Speed, USB-C Cable Included - Image 4](https://m.media-amazon.com/images/I/41WBTPdyyWL.jpg)
![OWC Atlas USB4 CFexpress 4.0 Type B Card Reader, 40Gb/s USB4 (USB-C) Port, Bus Powered via a USB-C Host Port, Up to 5000MB/s Real-World Speed, USB-C Cable Included - Image 5](https://m.media-amazon.com/images/I/41dmqYkU7IL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***E on 19 January 2026*

SONYαユーザーですがCFexpress TypeA to B変換カードが付いてるので購入しました。問題無くCFexpress TypeAカード使えてます、注意点としては変換カードにはType Aカードを裏返して挿入して下さいね、間違って表で挿入してはいけません。0.7mThunderbolt4ケーブルも付いてきてお得ですね、おすすめ。

### ⭐⭐⭐⭐⭐ Review
*by I***N on 4 June 2025*

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.

### ⭐⭐⭐⭐⭐ Review
*by D***Y on 29 December 2025*

Works well with my card and MacBook Pro. No issues at all.

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---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-20*