UGREEN 80191 USB 3.0 & USB-C SD Card Reader | Dual Slot Memory Card Reader | OTG Adapter | Up to 5Gbps
The UGREEN 80191 SD Card Reader is a compact and versatile memory card reader designed for fast and convenient data transfer between SD or Micro SD cards and computers, laptops, tablets, smartphones, and other compatible devices. Featuring both USB 3.0 and USB Type-C connectivity, this 2-in-1 card reader provides flexible compatibility for modern and traditional devices. The reader supports a wide range of memory cards including SD, SDHC, SDXC, Micro SD, Micro SDHC, Micro SDXC, MMC, and RS-MMC. It can also read and write to SD and Micro SD cards simultaneously, making it convenient for photographers, content creators, mobile users, and professionals who frequently transfer photos, videos, and other files. The UGREEN 80191 combines a standard USB 3.0 interface with USB-C connectivity in a compact memory card reader. It allows users to access files stored on memory cards without requiring a dedicated card slot on their computer or mobile device. Powered by the GL3224 chipset, the card reader supports data transfer speeds of up to 5Gbps through compatible USB 3.0 connections. The device supports memory cards with capacities of up to 2TB, depending on the card format and host device compatibility.


Key Features
- 2-in-1 USB Connectivity: Features both USB 3.0 and USB Type-C interfaces for flexible connection to compatible devices.
- Up to 5Gbps Transfer: USB 3.0 SuperSpeed connectivity supports data transfer speeds of up to 5Gbps under compatible conditions.
- Dual Card Slots: Supports both SD and Micro SD/TF cards.
- Simultaneous Card Access: Allows compatible SD and Micro SD cards to be read and written simultaneously.
- Wide Memory Card Compatibility: Supports SD, SDHC, SDXC, Micro SD, Micro SDHC, Micro SDXC, MMC, and RS-MMC cards.
- Up to 2TB Capacity: Supports memory cards with capacities up to 2TB under compatible conditions.
- OTG Support: Can be used with compatible USB-C-enabled mobile phones and tablets for convenient file access and transfer.
- GL3224 Chip: Uses the GL3224 controller for high-speed memory card connectivity.
- Built-In Protection: Includes protection against short circuit and overcurrent conditions.
- Compact Design: Small and portable design makes it convenient for travel, photography, office, and everyday use.
- Plug & Play: Designed to work without additional driver installation on supported operating systems and devices.
- No External Power Required: Designed to operate through the connected host device.
Technical Specifications
- Brand: UGREEN
- Model: 80191
- Product Type: USB 3.0 & USB-C Memory Card Reader
- USB Interface: USB 3.0
- USB-C Connectivity: Yes
- Card Slots: SD + Micro SD / TF
- Maximum Transfer Rate: Up to 5Gbps
- Supported Cards: SD, SDHC, SDXC, Micro SD, Micro SDHC, Micro SDXC, MMC, RS-MMC
- Maximum Supported Capacity: Up to 2TB
- Chipset: GL3224
- Simultaneous Reading: SD + Micro SD supported
- OTG: Supported on compatible devices
- Power: Bus-powered / no external power supply required
Ideal Applications
- Transferring photos and videos from digital cameras.
- Accessing Micro SD cards from smartphones and tablets.
- Backing up important memory card data to computers.
- Transferring files between SD and Micro SD cards.
- Photographers and DSLR camera users.
- Videographers and content creators.
- Mobile device users requiring OTG storage access.
- Office and business data transfer.
- Students and professionals handling removable storage.
- Travel photography and mobile content management.
Why Choose UGREEN 80191
- Dual Interface Convenience: USB 3.0 and USB-C connectivity makes the reader suitable for a wide range of devices.
- Fast Data Transfer: Up to 5Gbps USB 3.0 interface speed helps reduce transfer time for large files.
- Two Card Formats: Dedicated SD and Micro SD slots support common memory card formats.
- Simultaneous Access: Read and write two compatible memory cards at the same time.
- Large Capacity Support: Supports cards up to 2TB under compatible conditions.
- Portable: Compact design makes it easy to carry in a laptop bag, camera bag, or backpack.
- OTG Ready: Enables compatible USB-C mobile devices to access removable memory cards.
- Safe Operation: Built-in short-circuit and overcurrent protection helps protect connected equipment and memory cards.
How to Use
- Insert the SD or Micro SD card into the appropriate card slot.
- Connect the reader to a compatible computer using USB 3.0 or to a USB-C device using the USB-C interface.
- Wait for the operating system or mobile device to recognize the memory card.
- Open the memory card through the file manager.
- Transfer, copy, move, or back up your photos, videos, documents, and other files.
- Safely eject the memory card before physically removing it from the reader.
High-Speed Data Transfer
The UGREEN 80191 supports USB 3.0 data transfer speeds of up to 5Gbps when connected to a compatible USB 3.0 host. This makes it suitable for transferring large photo collections, Full HD videos, documents, backups, and other data from memory cards.
Actual transfer speeds depend on the memory card's read/write performance, the host device, USB interface, file size, operating system, and other components involved in the transfer. The 5Gbps figure represents the maximum theoretical USB 3.0 interface speed rather than a guaranteed sustained transfer rate.
Simultaneous SD & Micro SD Access
The reader features dedicated SD and Micro SD/TF card slots and supports simultaneous reading and writing between two compatible memory cards. This can be particularly useful for photographers and content creators who need to move files between camera cards or transfer content without repeatedly unplugging and reconnecting different devices.
Wide Memory Card Compatibility
The UGREEN 80191 supports a broad selection of commonly used memory card formats, including SD, SDHC, SDXC, Micro SD, Micro SDHC, Micro SDXC, MMC, and RS-MMC. This makes it suitable for cameras, smartphones, tablets, action cameras, and other compatible devices using removable flash storage.
OTG Mobile Connectivity
When used with a compatible USB-C-enabled smartphone or tablet, the UGREEN 80191 can provide convenient access to supported memory cards through USB OTG. Users can transfer photos, videos, documents, and other compatible files directly between a memory card and a mobile device.
OTG functionality depends on the connected smartphone or tablet supporting USB host/OTG operation and the relevant operating system features.
Compact & Travel-Friendly Design
The compact design of the UGREEN 80191 makes it easy to keep inside a camera bag, laptop case, backpack, or travel accessory pouch. Protective covers help protect the connectors when the reader is not in use, while the recessed Micro SD slot helps keep the small card securely positioned inside the reader.
Safety Protection
The card reader incorporates a built-in fuse designed to provide protection against short circuits and overcurrent conditions. This helps provide an additional layer of protection for connected devices and memory cards during normal operation.
Compatibility
The UGREEN 80191 is designed for use with compatible Windows, macOS, iPad, Android, Chrome, and Linux devices. Driver installation is not required for normal supported operation.
For mobile use, the connected smartphone or tablet must support USB OTG or USB host functionality. Compatibility and available file-management features may vary depending on the device model and operating system.
Important Usage Notes
- Actual transfer speed depends on the memory card and host device.
- USB 3.0 performance requires a compatible USB 3.0 host connection.
- When connected through a slower USB interface, transfer performance may be reduced.
- Maximum supported capacity is up to 2TB under compatible conditions.
- Safely eject memory cards before physically removing them to reduce the risk of data corruption.
- OTG functionality requires a compatible USB-C-enabled mobile device.
Package Contents
- 1 × UGREEN 80191 USB 3.0 & USB-C SD Card Reader
Why Buy from IT Splendid (UAE)
- UAE Delivery: Available across Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Fujairah, Umm Al Quwain, and other Emirates.
- Storage Accessories: Shop SD card readers, Micro SD readers, memory cards, USB hubs, USB-C adapters, storage enclosures, and data transfer accessories.
- Photography Accessories: Useful for DSLR cameras, mirrorless cameras, action cameras, mobile devices, and professional content-creation setups.
- Computer Accessories: Find USB hubs, cables, adapters, docking stations, card readers, and other computer peripherals.
- Professional Support: Assistance with storage, connectivity, memory card readers, USB accessories, and compatible technology solutions.
- Complete Technology Solutions: IT Splendid offers computers, laptops, storage, networking equipment, gaming products, peripherals, cables, accessories, and office technology.
The UGREEN 80191 USB 3.0 & USB-C SD Card Reader is an excellent choice for fast and convenient memory card management. With USB 3.0 and USB-C connectivity, dual SD/Micro SD slots, simultaneous card reading and writing, up to 5Gbps transfer speeds, support for cards up to 2TB, OTG compatibility, and a compact portable design, it is ideal for photographers, content creators, students, professionals, and everyday users who need reliable access to removable storage.
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