The UGREEN 30333 USB 3.0 SD Card Reader is the ultimate solution for transferring data across multiple memory card types. Designed with four slots (SD, TF, CF, MS), this multi-card adapter supports a wide range of memory cards, including SDXC, SDHC, Micro SDXC, Micro SDHC, Compact Flash, and UHS-I cards.
With a USB 3.0 interface, it delivers ultra-fast 5Gbps data transfer speeds, allowing you to move large files, high-resolution photos, and 4K videos in seconds. Unlike traditional card readers, this device supports reading and writing on up to 4 different cards simultaneously, saving time and effort.
The UGREEN USB 3.0 SD Card Reader is plug-and-play ready, requiring no additional drivers for compatibility with Windows, Mac OS, Linux, and Chrome OS. Whether you’re a professional photographer, videographer, or office worker, this compact and portable device is an essential addition to your workspace.
Perfect for on-the-go users, it features a lightweight design with a 1.7 ft cable, making it easy to carry and connect to laptops, desktops, and other USB-enabled devices.
Specifications
- Brand: UGREEN
- Model: 30333
- Color: Black
- Material: High-Quality ABS Plastic
- Interface: USB 3.0
- Cable Length: 1.7 ft (52 cm)
- Supported Card Types:
- SD Series: SD, SDXC, SDHC
- Micro SD Series: Micro SD (TF), Micro SDXC, Micro SDHC, UHS-I
- Compact Flash (CF)
- Memory Stick (MS)
- Data Transfer Speed: Up to 5Gbps (USB 3.0)
- Operating Systems: Windows, Mac OS, Linux, Chrome OS
- Simultaneous Reading: Yes (Up to 4 cards at once)
- Plug & Play: Yes (No drivers required)
- Dimensions: 2.17 x 2.68 x 0.59 inches
- Warranty: 1 Year
Frequently Asked Questions (FAQ)
-
Does this card reader support USB 3.0?
Yes, it supports USB 3.0 with 5Gbps data transfer speeds, making file transfers lightning-fast. -
Can I use multiple cards at the same time?
Yes, you can read and write on up to 4 different cards simultaneously without having to swap them. -
Is this card reader compatible with Mac OS?
Yes, it works with Windows, Mac OS, Linux, and Chrome OS, requiring no additional drivers. -
What types of memory cards does it support?
It supports SD, SDXC, SDHC, Micro SD (TF), Micro SDXC, Micro SDHC, Compact Flash (CF), and Memory Stick (MS). -
Is this card reader suitable for photographers and videographers?
Yes, its high-speed 5Gbps transfer rate and multi-card compatibility make it ideal for professional use. -
Does it require an external power source?
No, the card reader is USB-powered, so no additional power source is needed. -
Can I use this with an Android phone or tablet?
No, this device is designed for use with USB-enabled computers, laptops, and some smart TVs. -
What is the length of the attached cable?
The card reader has a 1.7 ft (52 cm) built-in cable for flexible connectivity. -
Does this work with UHS-I memory cards?
Yes, it fully supports UHS-I cards, ensuring high-speed performance. -
Is this card reader portable?
Yes, it is lightweight and compact, making it easy to carry and use on the go.





















Yasir –
Shahbaz Ahmed (verified owner) –
Anonymous (verified owner) –
Performance evaluation is very good
Anus (verified owner) –
Performance evaluation is very good.
Nasir Jalil (verified owner) –
Kashif (verified owner) –
A reliable companion for my digital camera and drone memory cards
Ahmed Ali (verified owner) –
Very satisfied, no lag or connection issues at all.