UGREEN CM648 2.5G USB-A to RJ45 Ethernet Adapter – Premium High-Speed Network Adapter
2,080.00৳
UGREEN CM648 2.5G USB-A to RJ45 Ethernet Adapter – Fast and Reliable Wired Networking
Looking for a convenient way to connect your computer to a wired network? The UGREEN CM648 2.5G USB-A to RJ45 Ethernet Adapter adds an Ethernet connection to compatible computers with a USB-A port. It supports network speeds of up to 2.5Gbps, making it a useful upgrade for users who need more bandwidth than a standard Gigabit Ethernet connection can provide. Actual speeds depend on the connected devices and network infrastructure.
Available for customers looking for networking accessories in Bangladesh, this UGREEN adapter is suitable for compatible laptops, desktop PCs, and mini PCs. Its USB-A 3.0 interface connects to the host computer, while the RJ45 port accepts an Ethernet cable for a wired network connection. The compact design and aluminum housing make it a practical addition to a home or office workstation.
Common Problems with Ordinary Network Connections
- 📶 Unstable Wi-Fi: Wireless performance can fluctuate because of interference, distance, and network congestion.
- 🔌 No Built-In Ethernet Port: Some computers lack a dedicated RJ45 port for wired networking.
- 🐢 Gigabit Speed Limitations: A standard 1Gbps Ethernet interface can become a bottleneck on compatible faster networks.
- 💻 Limited Connectivity Options: Users may need an adapter to connect computers to wired office or home networks.
- 📁 Slow Local File Transfers: File-transfer performance can be limited by the slowest component in the network.
Smart Solution: UGREEN CM648 2.5G Ethernet Adapter
The UGREEN CM648 Ethernet Adapter provides a straightforward way to add a 2.5GbE network interface to a compatible computer through USB-A 3.0. It supports 10Mbps, 100Mbps, 1Gbps, and 2.5Gbps Ethernet connections, automatically adapting to the negotiated speed supported by the network equipment.
The adapter is designed for users who want a wired connection for internet access, office work, network storage, large file transfers, and other compatible network activities. Its aluminum housing offers a durable exterior, while USB bus power means it draws its operating power from the connected computer rather than requiring a separate power adapter.
For the best results, connect it to a USB 3.0 port and use a compatible 2.5GbE router or switch with a suitable Ethernet cable. The adapter cannot independently increase your internet plan’s speed or make a Gigabit-only router deliver 2.5Gbps.
Key Features of UGREEN CM648 2.5G USB-A to RJ45 Ethernet Adapter
🚀 1. Up to 2.5Gbps Ethernet Speed
The adapter supports a maximum network link speed of 2.5Gbps with compatible equipment. This can provide greater network capacity than a conventional 1Gbps Ethernet interface when the complete connection supports 2.5GbE.
🔌 2. USB-A 3.0 Connectivity
The USB-A 3.0 interface connects the adapter to a compatible computer. USB 3.0 supports data transfer rates up to 5Gbps, providing sufficient interface capacity for a 2.5GbE network connection under suitable conditions.
🌐 3. Standard RJ45 Ethernet Port
The RJ45 female port accepts a compatible Ethernet cable for connecting to a router, network switch, or other supported Ethernet network. This makes it useful for computers without a built-in RJ45 port.
⚡ 4. Multiple Network Speed Support
The adapter supports multiple Ethernet link rates, including 10Mbps, 100Mbps, 1Gbps, and 2.5Gbps. This allows it to work with compatible networks operating at different speeds.
🛡️ 5. Durable Aluminum Housing
The aluminum enclosure provides a solid exterior for everyday use and helps dissipate heat from the adapter. Its compact construction is suitable for desktop workstations and portable computer setups.
🔋 6. USB-Powered Operation
The adapter receives power through the connected USB port, so a separate power supply is generally not needed. This keeps the setup simple and reduces the number of accessories required.
💻 7. Compatibility with Multiple Operating Systems
The CM648 USB-A variant supports compatible Windows, macOS, and Linux systems, although driver requirements can vary by operating-system version. Check the exact model’s driver guidance before installation.
Benefits You’ll Enjoy
- ✅ Upgrade a compatible computer with a wired Ethernet connection.
- ✅ Access network link speeds of up to 2.5Gbps with compatible equipment.
- ✅ Connect computers that do not have a built-in RJ45 port.
- ✅ Enjoy the convenience of USB-A 3.0 connectivity.
- ✅ Connect to compatible routers and network switches.
- ✅ Use the adapter for office work, downloads, and local network transfers.
- ✅ Benefit from a compact design for desktop or portable setups.
- ✅ Enjoy a durable aluminum housing.
- ✅ Avoid the need for a separate power adapter in typical USB-powered operation.
- ✅ Connect to compatible networks running at lower supported Ethernet speeds.
Perfect For
- 💻 Laptops without built-in Ethernet ports
- 🖥️ Desktop computers and mini PCs
- 🏢 Office workstations
- 🌐 Home wired networking
- 📁 Local network file transfers
- 🗄️ Compatible network-attached storage setups
- 🎮 Gaming PCs with a compatible 2.5GbE network
- 🎬 High-bandwidth streaming setups
- 🛠️ Network troubleshooting and computer upgrades
- 🏠 Home offices and small business environments
Why Choose the UGREEN CM648 2.5G Ethernet Adapter?
The UGREEN CM648 2.5G USB-A to RJ45 Ethernet Adapter is a convenient option for adding a faster wired network interface to a compatible computer. With support for up to 2.5Gbps Ethernet, it can help remove the computer-side Gigabit Ethernet limitation when the router, switch, cabling, and network service also support higher speeds.
Its USB-A connection makes installation straightforward on compatible computers, while the RJ45 port connects to standard Ethernet cabling. The aluminum housing provides a sturdy finish without requiring a separate power adapter for normal USB-powered operation.
Before buying, check your computer’s USB port, operating system, and the speed of your network equipment. If your router supports only 1Gbps Ethernet, the adapter will negotiate a connection at that lower rate rather than delivering 2.5Gbps.
Choose AIYOZON for practical computer and networking accessories designed to support your everyday technology needs.
UGREEN CM648 vs Standard Gigabit USB Ethernet Adapter
| Feature | UGREEN CM648 2.5G | Standard Gigabit Adapter |
|---|---|---|
| Maximum supported Ethernet link | Up to 2.5Gbps | Up to 1Gbps |
| Host connection | USB-A 3.0 | Depends on model |
| Network connection | RJ45 | Usually RJ45 |
| Lower-speed network support | 10/100/1000Mbps | Depends on model |
| Housing | Aluminum | Depends on model |
| Power | USB-powered | Depends on model |
| Best use | Compatible multi-gigabit networks | Standard Gigabit networks |
Comparison is based on typical adapter categories. Specifications and features vary by model.
Special Product Function: 2.5GbE Network Expansion
The main function of the UGREEN CM648 is to add an Ethernet network interface to a compatible USB-A computer. Its support for 2.5GbE makes it useful for network setups that require more capacity than a standard Gigabit Ethernet connection.
The adapter also supports automatic negotiation with compatible 10Mbps, 100Mbps, and 1Gbps networks. For a 2.5Gbps link, every relevant part of the network path must support the required speed, including the computer interface, Ethernet cable, and router or switch port.
How to Use the UGREEN CM648 Ethernet Adapter
- Check compatibility: Confirm that your computer has a compatible USB-A data port and supports the adapter’s operating-system requirements.
- Connect the adapter: Insert its USB-A connector into the computer’s USB port.
- Connect an Ethernet cable: Plug one end into the adapter’s RJ45 port and the other into your router or network switch.
- Install drivers if needed: Follow the manufacturer’s instructions for your operating system if the adapter is not detected automatically.
- Check the connection: Confirm that your computer recognizes the Ethernet interface and has network access.
- Verify the link speed: Check the negotiated Ethernet speed if you expect a 2.5Gbps connection.
Important Usage Tips
- Use a USB 3.0 port for the intended high-speed networking performance.
- Connect to a router or switch with a dedicated 2.5GbE port to use the maximum supported link speed.
- Use a suitable, undamaged Ethernet cable; Cat6 is a practical choice for a new 2.5GbE installation.
- Check the operating system and driver requirements for the exact CM648 model.
- Keep the adapter’s connector clean and avoid bending or pulling it forcefully.
- Remember that the actual internet speed depends on your broadband plan and network equipment.
- Do not assume USB-A connector compatibility alone guarantees driver or operating-system support.
Product Specifications
| Specification | Details |
|---|---|
| Brand | UGREEN |
| Model | CM648 |
| Product Type | USB-A to RJ45 2.5G Ethernet Adapter |
| Model/SKU | 25051 |
| Host Interface | USB-A 3.0 |
| USB Interface Speed | Up to 5Gbps |
| Network Port | 1 × RJ45 Female |
| Maximum Ethernet Link Speed | Up to 2.5Gbps |
| Supported Ethernet Speeds | 10Mbps / 100Mbps / 1Gbps / 2.5Gbps |
| Chipset | Realtek RTL8156BG |
| Housing Material | Aluminum |
| Power Supply | USB bus-powered |
| Compatibility | Compatible Windows, macOS, and Linux systems; verify exact version |
| Primary Use | Wired network connectivity for compatible computers |
Specifications are based on available product information for the CM648 USB-A variant. Confirm the exact model and operating-system requirements before purchase.
Why Buy from AIYOZON?
- Quality Products: Explore useful computer and networking accessories.
- Fast Delivery Across Bangladesh: Delivery options for customers nationwide.
- Secure Packaging: Products are packed carefully for dispatch.
- Responsive Customer Support: Get help with product-related questions.
- Convenient Online Shopping: Browse and order products online.
- Great Value for Money: Find practical accessories for your computer setup.
Frequently Asked Questions (FAQ)
1. What is the maximum speed of the UGREEN CM648?
The UGREEN CM648 USB-A variant supports Ethernet link speeds of up to 2.5Gbps when connected to compatible network equipment.
2. What does this Ethernet adapter do?
It adds an RJ45 Ethernet port to a compatible computer through USB-A, allowing the computer to connect to a wired network.
3. Can I use it with my laptop or desktop PC?
Yes, provided the computer has a compatible USB-A data port and a supported operating system. Driver requirements may vary.
4. Will it work with a regular Gigabit router?
Yes, it can connect to a compatible Gigabit Ethernet port, but the negotiated network link will be limited to 1Gbps rather than 2.5Gbps.
5. Does the UGREEN CM648 require an external power adapter?
It is powered through the computer’s USB port, so a separate power adapter is generally unnecessary.
6. Will it automatically make my internet faster?
Not always. It can help remove a 1Gbps computer-side Ethernet limitation, but your internet plan, router, switch, cable, and other devices must support the higher speed.
7. Does the adapter require drivers?
Driver requirements depend on the operating system and version. Some systems support automatic detection, while others may require the appropriate UGREEN or chipset driver.
8. How long does delivery take from AIYOZON?
- Inside Dhaka: 24–48 Hours
- Outside Dhaka: 2–3 Business Days
Delivery times may vary depending on product availability and the delivery location.
Upgrade Your Wired Network with UGREEN CM648
The UGREEN CM648 2.5G USB-A to RJ45 Ethernet Adapter is a practical networking accessory for compatible computers that need a wired connection and support for multi-gigabit Ethernet. With USB-A 3.0 connectivity, an RJ45 port, and a durable aluminum housing, it is suitable for home offices, workstations, and compatible high-speed network setups.
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