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Uhs Ii Card Reader Comparison - June 2025
| 1 Best Choice  9.9Exceptional | 2  9.8Exceptional | 3  9.5Excellent | 4 Best Value  9.2Excellent | 5  9.0Excellent | 6  8.9Very Good |
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ModelAnker USB-C SD 4.0 Card Reader, PowerExpand+ 2-in-1 Memory Card Reader, for SDXC, SDHC, (Micro) SD, MMC, RS-MMC, Micro SDXC, Micro SDHC, UHS-II, and UHS-I | Model UGREEN USB C SD 4.0 Card Reader, UHS-II Micro SD Card Reader Memory Card Reader Fast for SD Micro SD SDXC SDHC UHS-II & UHS-I Cards for iPhone 16/15 Pro Max MacBook Laptop Tablet Smartphone Android | Model Acer SD 4.0 Card Reader, UHS-II Micro SD Reader USB C, Dual Slot Type C Memory Card Adapter with 100W PD Port for MicroSD SDXC SDHC UHS-II & UHS-I for iPhone 15/16, Laptop, MacBook(Grey) | Model SABRENT USB Type-C Card Reader, Dual-Slot UHS-II SDXC and microSDXC SD 4.0 (CR-CSDM) | Model uni USB-C SD 4.0 Card Reader, UHS-II SD Card Adapter, High Speed Memory Card Reader for Micro SD, SD, SDXC, SDHC, RS-MMC, SD Card Reader Type-C Compatible with MacBook Pro/Air, Laptop, Tablet, etc | Model UANTIN 4.0 USB C SD Card Reader | High-Speed 2-in-1 Memory Card Reader for Micro SD, SD, SDXC, SDHC, RS-MMC and UHS-II Card, SD Card Reader Compatible with MacBook Pro/Air,Laptop,Tablet,etc |
BrandAnker | Brand UGREEN | Brand acer | Brand SABRENT | Brand uni | Brand UANTIN |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews  |
Tech Specs | |||||
product dimensions 2.26 x 1.36 x 0.42 inches | product dimensions 2.32 x 1.34 x 0.39 inches | product dimensions 5.12 x 3.66 x 0.67 inches | product dimensions 1.97 x 1.38 x 0.51 inches | product dimensions 1.79 x 1.3 x 0.38 inches | product dimensions 11.81 x 1.57 x 0.43 inches |
color Gray | color Deep Gray | color Grey | color Black | color Midnight Blue | color Grey |
item weight 1.12 ounces | item weight 2.11 ounces | item weight 1.59 ounces | item weight 1.2 ounces | item weight 1.41 ounces | item weight 2.39 ounces |
item dimensions lxwxh 2.26 x 1.36 x 0.42 inches | item dimensions lxwxh 2.32 x 1.34 x 0.39 inches | item dimensions lxwxh 5.12 x 3.66 x 0.67 inches | item dimensions lxwxh 1.97 x 1.38 x 0.51 inches | item dimensions lxwxh 1.79 x 1.3 x 0.38 inches | item dimensions lxwxh 11.81 x 1.57 x 0.43 inches |
customer reviews4.7 4.7 out of 5 stars 1, 196 ratings 4.7 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 365 ratings 4.7 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 191 ratings 4.6 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 415 ratings 4.5 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 130 ratings 4.7 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 25 ratings 4.7 out of 5 stars |
operating system- | operating system Windows, MacOS, Linux, ChromeOS, IOS, Android | operating system Linux, Chrome OS, Windows, macOS | operating system Windows | operating system Windows macOS ChromeOS Linux iOS Android | operating system Windows Vista/7/8/10/11, Mac OS, Chrome OS, Linux |
Review | Review - | Review - | Review - | Review - | Review - |
Available On  | Available On | Available On  | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1AnkerAnker USB-C SD 4.0 Card Reader, PowerExpand+ 2-in-1 Memory Card Reader, for SDXC, SDHC, (Micro) SD, MMC, RS-MMC, Micro SDXC, Micro SDHC, UHS-II, and UHS-I
Why we love it
Compact and space-saving design.
High-speed data transfer up to 312 MB/s.
Dual card slots for versatile use.
Main highlights- What You Get: PowerExpand 2-in-1 SD 4.0 Card Reader, welcome guide, 18-month warranty, and friendly customer service.
- The Anker Advantage: Join the 65 million+ powered by our leading technology.
- Space-Saving Design: It’s ultra-compact, allowing you to connect it to your computer while retaining unimpeded access to your other ports.
- High-Speed: Features the latest UHS-II SD card slot to support transfer speeds of up to 312 MB/s.
- Dual Card Slots: Includes both an SD and a microSD card slot, making it easy to transfer, copy, or save your files.
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9.8
2UGREEN
UGREEN USB C SD 4.0 Card Reader, UHS-II Micro SD Card Reader Memory Card Reader Fast for SD Micro SD SDXC SDHC UHS-II & UHS-I Cards for iPhone 16/15 Pro Max MacBook Laptop Tablet Smartphone Android
Main highlights- SD/TF 2-in-1 Card Reader: The SD Card Reader USB C is equipped with a USH-II SD slot and a USH-II TF slot. You can easily read USH-II SD, SDHC, SDXC, Micro SD, Micro SDHC, Micro SDXC, MMC RS-MMC cards, etc with it
- SD 4.0 312MB/s High Speed: UGREEN USB C 4.0 SD Card Reader supports the latest SD 4.0 UHS-II memory cards and can transfer data such as 4K movies, photos, and video Vlogs at high speeds of up to 312MB/s. Three times faster than ordinary USH-I card readers
- Read&Write 2 Cards Simultaneously: This USB C Micro SD Card Reader supports sync, transfer and copy files between the two cards swiftly. No need to repeatedly plug and unplug
- Plug and Play: The Memory Card Reader is driver free for most laptops, tablets, iPhone 16 15 Pro/Pro Max and smartphones. You only need to plug in the card reader and memory cards, and easily share your life with friends. Note: Android phones need to support OTG function to use
- Built to Last: The SD Card Reader for PC/ Android is designed with a sturdy Aluminum alloy case and a braided cable. Compared with ordinary card readers with plastic cases, it has a more refined appearance and much better durability
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9.5
3acer
Acer SD 4.0 Card Reader, UHS-II Micro SD Reader USB C, Dual Slot Type C Memory Card Adapter with 100W PD Port for MicroSD SDXC SDHC UHS-II & UHS-I for iPhone 15/16, Laptop, MacBook(Grey)
Main highlights- Wide Compatibility: The SD 4.0 Memory Card Reader is compatible with a wide range of devices, including laptops, tablets, iPhone 16/16 Pro/15/15 Pro, MacBook Air/Pro, iPad, and Android smartphones. Plug in the card reader and your memory cards to easily share your moments. (Note: Android phones require OTG support).
- Versatile Compatibility: The SD Card Reader comes with a USH-II SD slot and a USH-II micro SD slot, both equipped with SD4.0 protocols. Effortlessly read a wide variety of memory cards, including UHS-II SD, SDHC, SDXC, MicroSD, MicroSDHC, MicroSDXC, MMC, and RS-MMC, allowing seamless access to your entire memory card library.
- SD 4.0 Data Transfer: The Acer USB-C SD Card Reader supports the latest UHS-II memory cards, delivering blazing speeds of up to 312MB/s. Enjoy data transfers three times faster than ordinary UHS-I card readers, perfect for 4K movies, high-resolution photos, and video Vlogs.
- Read & Write 2 Cards Simultaneously: Say goodbye to cumbersome file transfers. This Micro SD Card Reader allows you to read and write data on two cards simultaneously, enabling seamless sync, transfer, and copying between your cards without the hassle of constant plugging and unplugging.(Note:If the case is too tight, the adapter may not insert properly)
- Durable & Portable: Crafted with a sturdy aluminum alloy case and a 0.66ft cable, this Micro SD Card Reader combines portability with durability.
- 100W PD Fast Charging: The Type-C SD card reader supports the PD fast charging protocol with a maximum power of 100W. The port is for charging only and does not support data transfer.
Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
