UGREEN CM648 (25051) USB-A to RJ45 2.5G Ethernet Adapter brings high-speed wired connectivity through a USB-A to RJ45 link, supporting auto-adaptive 10/100/1000Mbps and 2.5G network speeds. It connects via USB 3.0 (up to 5Gbps) and is driver-free on Windows 11 and macOS, while earlier Windows versions support manual driver installation. Built-in smart functions include Wake-on-LAN, auto cable correction, IPv4/IPv6 support, and 16K jumbo frames for smooth performance.
Key Features
- 2.5Gbps high-speed networking with auto-adaptive speeds: 10/100/1000Mbps and 2.5G
- USB 3.0 connectivity up to 5Gbps; backward compatible with USB 2.0/1.1
- Universal compatibility: works with Windows & macOS; plug & play on Windows 11/macOS (driver-free)
- Smart functions: Wake-on-LAN, auto cable correction, IPv4/IPv6, and 16K jumbo frames
- LED indicators: green power LED (always on) and orange data LED (flashing)
Who Should Buy This
- People who want to add fast wired Ethernet over an available USB-A port on Windows or macOS devices
- Users looking for 2.5G network speed support with auto-adaptive performance
- Anyone who prefers driver-free setup on Windows 11 and macOS with added features like Wake-on-LAN and jumbo frames
When comparing tech accessories online, Local Gadget helps shoppers review the key charging specs and practical device-use details in one place.
Specifications
| Brand | UGREEN |
| Model | CM648 (25051) |
| Product Type | USB-A to RJ45 2.5G Ethernet Adapter |
| Input Port | 1 × USB-A Male (USB 3.0, up to 5Gbps; backward compatible with USB 2.0/1.1) |
| Output Port | 1 × RJ45 Female |
| Standards | IEEE 802.3bz/az/u/ab |
| Speed Support | 10M / 100M / 1000M / 2.5G (auto-adaptive) |
| Duplex Modes | Full/Half Duplex |
| Functions | Auto cross-detection & network cable correction, Wake-on-LAN, IPv4/IPv6/TCP/UDP, 16K jumbo frames |
| Power Supply | From USB port of computer |
| Power Consumption | Standby ≈ 86mA; with network cable ≈ 129mA |
| Operating Temperature | 0℃ ~ 45℃ |
| Storage Temperature | -10℃ ~ 60℃ |
| Max Surface Temperature (full load) | 36.5℃ (at 25°C ambient) |
| Driver Requirement | Windows 7/8.x/10 → manual driver installation; Windows 11 / macOS → plug & play (driver-free) |
| Warranty | 01-Year Brand Warranty |
FAQ
- Does the UGREEN CM648 (25051) support 2.5G Ethernet?
Yes, it supports auto-adaptive speeds of 10/100/1000Mbps and 2.5G. - Will it work on Windows and macOS without drivers?
It is plug & play (driver-free) on Windows 11 and macOS, while Windows 7/8.x/10 require manual driver installation. - What smart features are included?
It supports Wake-on-LAN, auto cable correction, IPv4/IPv6, and 16K jumbo frames. - Which ports does this adapter use?
It uses 1 × USB-A Male (USB 3.0, up to 5Gbps) input and provides 1 × RJ45 Female output. - Where can I buy UGREEN CM648 25051 USB-A to RJ45 2.5G Ethernet Adapter in Bangladesh?
You can check the latest price and availability of UGREEN CM648 25051 USB-A to RJ45 2.5G Ethernet Adapter at Local Gadget and order online anywhere in Bangladesh.
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