Description

Product Description

Introduction

The UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812 is the ultimate card reading solution for users who demand speed, compatibility, and convenience. Designed with both USB-C and USB-A connectors, this device adapts seamlessly to modern laptops, desktops, tablets, and even smartphones, making it the go-to accessory for professionals and casual users alike.

Whether you are a photographer transferring RAW files, a videographer managing 4K footage, a student backing up projects, or an office worker sharing documents, the UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812 makes the process simple and efficient. With four supported card slots (SD, microSD, CF, and MS), this device eliminates the need for multiple adapters and ensures compatibility with virtually all memory cards on the market.

Unlike traditional single-port readers, this versatile device provides two interface options—USB-C and USB-A—so you don’t have to worry about whether your device has legacy USB ports or the latest USB-C connections. The UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812 is designed for true universal access.

Extended Features of UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812

1. Dual Interface: USB-C + USB-A

This is the standout feature. The UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812 includes both connectors, ensuring compatibility with the widest possible range of devices—from older desktops with USB-A ports to modern MacBooks, iPads, and Android smartphones with USB-C.

2. Four Card Slots in One Device

Supports four major card types:

• SD / SDHC / SDXC

• microSD / TF

• CF (CompactFlash)

• MS (Memory Stick)

No need for multiple adapters—this device covers it all.

3. High-Speed Data Transfer

With USB 3.0 technology, the UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812 supports transfer speeds up to 5Gbps, allowing you to move files 10x faster than USB 2.0 readers. Large 4K videos or RAW photo libraries transfer in seconds.

4. Simultaneous Multi-Card Reading

Unlike many readers that limit you to one card at a time, this device supports simultaneous reading and writing across multiple cards, saving time and boosting efficiency.

5. Wide Device Compatibility

This card reader works with laptops, desktops, tablets, smartphones, and even gaming consoles that support USB storage. The UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812 is universally adaptable.

6. Plug-and-Play Simplicity

No drivers, no setup. Just plug it in and start transferring. Compatible across Windows, macOS, Linux, Android, and iPadOS.

7. Durable and Portable Design

Made with high-quality ABS material and a compact form factor, the UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812 is lightweight, travel-friendly, and built for long-term durability.

Detailed Product Specifications

• Brand: UGREEN

• Model: CM812

• Product Type: 4-in-1 Card Reader with Dual Interface

• Color: Black

• Interface Options:

  • USB-A 3.0 (backward compatible with USB 2.0/1.1)

  • USB-C 3.0 (reversible, compatible with smartphones/tablets)

• Supported Card Types:

  • SD, SDHC, SDXC (UHS-I supported)

  • microSD / TF (UHS-I supported)

  • CF (CompactFlash Type I & II)

  • MS (Memory Stick / Memory Stick PRO)

• Data Transfer Rate: Up to 5Gbps (USB 3.0 standard)

• Backward Compatibility: Yes, works with USB 2.0 / USB 1.1 ports

• Simultaneous Card Access: Supported, multiple cards at once

• System Compatibility:

  • Windows XP/Vista/7/8/10/11

  • macOS (all modern versions)

  • Linux distributions

  • Android smartphones & tablets (OTG supported)

  • iPad Pro with USB-C

• Power Supply: USB bus-powered (no external adapter required)

• Design Features:

  • Compact and lightweight for portability

  • Dual-interface head for convenience

  • Sturdy ABS housing for durability

• Cable/Connector Length: Short and flexible design for direct connection

• Certifications: CE, FCC, RoHS compliant

• Operating Temperature: -20°C to 60°C

• Weight: Lightweight and pocket-sized

• Warranty: 1-year manufacturer warranty (varies by retailer)

Benefits of UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812

1. Universal Compatibility – Works with both USB-A and USB-C devices.

2. Supports All Popular Card Types – SD, microSD, CF, and MS in one reader.

3. Lightning-Fast Transfers – Up to 5Gbps for faster productivity.

4. Simultaneous Multi-Card Reading – Save time by accessing multiple cards at once.

5. Portable and Durable – Compact, travel-friendly build with UGREEN quality.

6. Plug-and-Play Simplicity – No drivers or complicated setup required.

7. Future-Proof Design – Ready for modern USB-C devices and older USB-A systems.

Applications of UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812

• Photography – Quickly transfer large batches of RAW photos from DSLR cameras.

• Videography – Handle big 4K or Full HD video files from camcorders and drones.

• Smartphone Data Transfer – Connect to Android smartphones with USB-C OTG for direct file sharing.

• Tablet/ iPad Pro Use – Import photos and videos directly into editing apps.

• Office Work – Share files, presentations, and reports instantly.

• Education – Manage student projects, research, and multimedia resources.

• Content Creation – YouTubers and influencers can easily move footage across devices.

• Gaming – Transfer save files, mods, or updates using supported memory cards.

Why Choose UGREEN?

UGREEN continues to stand out as a global leader in reliable, innovative accessories that enhance modern digital lifestyles. The UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812 embodies their philosophy of performance, compatibility, and quality.

Instead of needing multiple adapters for different devices, this single solution bridges the gap between older USB-A desktops and newer USB-C laptops, smartphones, and tablets. With its all-in-one design, UGREEN provides not just a tool, but a future-proof investment in productivity.

Conclusion

The UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812 is more than just a card reader—it’s a universal data management solution. By combining dual-interface versatility, 5Gbps transfer speeds, four card slots, and UGREEN’s durable build quality, it stands out as the perfect accessory for professionals, creatives, and everyday users.

Whether you’re managing professional photography projects, editing videos, backing up documents, or transferring content between smartphones and computers, the UGREEN 4-in-1 Card Reader with USB-C & USB-A 2-in-1 interface – CM812 delivers unmatched convenience and performance.

External & Internal Links

• Visit UGREEN Official Website

• Shop more products at Radox Technology