High-Speed 5G Wired Network Card
This high-speed wired network card delivers reliable 5Gbps Ethernet performance directly to your desktop PC through a dedicated RJ45 port. It’s ideal for data-intensive projects like video editing workstations, NAS servers, 4K streaming setups, and professional environments requiring stable high-bandwidth wired access without any wireless interference.
Our Advantages:
- Strict production quality guarantees every batch meets top standards
- Flexible MOQ options suit both small tests and large orders
- Reliable shipping periods deliver products on time worldwide
- Complete OEM customization matches your exact specifications perfectly
- Supplies CE, ISO9001, ISO14001, and RoHS certificates for compliance
- Fast samples available to verify fit before full production.
Note: For specific requirements, please send us an inquiry to contact us.
- Datasheet
- Product Overview
- How to Choose
| Model | CF-P50 |
| Physical Interface | 5G RJ45 Network interface Support network adaptation |
| Compatible Card Slot | PCIE-16X/PCIE-8X/PCIE-4X/PCIE-1X |
| Web Environment | 10/100/1G/2.5G/5Gbps |
| Standard | IEEE802.3/IEEE802.3u/IEEE802.3ab/IEEE802.3az/IEEE802.3bz |
| Scope of Application | Desktop PC |
| Support OS | Windows11/10/8/8.1/7; Windows Server 2016 / 2019 /2022 /2008 / 2003 /2012 LINUX |
| Physical Features | Size: 120*79*26mm |
| Working Environment | Working Temperature: 0℃~40℃ Storage Temperature: -10℃~70℃ Working Humidity: 10%~90%RH Non-condensing Storage Humidity: 5%~90%RH Non-condensing |
You’re tired of desktop connections that can’t keep up with real work. Large file transfers crawl, 4K video editing buffers constantly, and even fast internet feels sluggish when multiple devices or virtual machines compete for bandwidth. Wireless options only make it worse — the unreliable rj45 wireless ethernet adapter, the inconsistent rj45 wireless adapter, and the flaky pci express wifi adapter all create lag, drops, and endless troubleshooting that kills productivity.
The wired network card solves it instantly. This wired network card installs easily into any PCIe slot on your desktop PC and gives you full 5Gbps speeds through a dedicated RJ45 port. With broad OS support for Windows 11/10/8/7, Windows Server, and Linux, the wired network card delivers true plug-and-play stability that wireless alternatives simply cannot match.
You get full 5G speeds, zero lag, and unbreakable stable connections every single time with the wired network card. The wired network card outperforms any rj45 wireless ethernet adapter, rj45 wireless adapter, or pci express wifi adapter on the market. The wired network card powers through heavy traffic without breaking a sweat. This wired network card leaves every rj45 wireless ethernet adapter, rj45 wireless adapter, and pci express wifi adapter behind in speed and reliability. The wired network card ensures consistent excellence for your desktop. Choose the wired network card today and experience the difference the wired network card delivers.
Technology Upgrade Guide (2.5G → 5G → 10G Ethernet)
Quick Recommendation
➤ Entry multi-gig upgrade → CF-P25 V2
➤ Balanced high-speed → CF-P50
➤ Enterprise-grade 10G → CF-P100
➤ Mid Performance (Moderate Bandwidth / Typical Load)
Recommended: CF-P25 V2
2.5Gbps adaptive Ethernet
Best for mainstream desktops upgrading beyond Gigabit with minimal cost and setup changes.
➤ High Performance (Heavy Bandwidth / Multi-Device)
Recommended: CF-P50
5Gbps multi-gig
Delivers faster transfer speeds and better performance in high-traffic environments. Ideal for power users and creators.
➤ Ultra Performance (Extreme Bandwidth / High Density)
Recommended: CF-P100
10Gbps full-speed Ethernet
Built for professional networks requiring ultra-high bandwidth, low latency, and true 10G infrastructure support.
➤ Need Help Choosing?
If you are unsure which wireless router best fits your project or business requirements, our team is ready to assist.
Please contact us at: zy@comfast.cn

5G Specs Solving Bandwidth Bottlenecks
Tired of 1G speeds killing productivity with slow downloads and buffering? Our wired network card with RTL8126 chip and full 5Gbps auto-negotiation crushes those limits instantly. Unlike unreliable rj45 wireless ethernet adapter solutions, it delivers true wired stability through RJ45, reducing packet loss so your 4K streams, backups, and cloud uploads finish fast without the usual frustration.
Exceptional Performance Addressing Connection Issues
Frustrated by dropped links during online work or gaming? This high-performance wired network card maintains rock-solid 5G connections under heavy load with IEEE802.3bz support. It outperforms typical setups with auto-adaptation and energy efficiency, solving your daily pain of unstable speeds in busy home or office networks.


Versatile Scenes for Gaming and Professional Tasks
Struggling with lag in intense esports or 4K video editing? The wired network card shines across gaming rigs, workstations, NAS storage, and live streaming thanks to multi-slot compatibility. It resolves scene-specific bottlenecks in desktops, giving you consistent 5G performance exactly where you need it most.
Seamless Setup Resolving Driver Frustrations
Hate complicated installs that waste hours especially on Linux? Unlike many rj45 wireless adapter or pci express wifi adapter options needing extra drivers, this wired network card offers native support on Windows 11 through Linux. It installs plug-and-play in minutes, eliminating technical headaches so everyone enjoys instant 5Gbps connectivity right away.


Tailored Product Design Capability
Customized structures and features to meet your unique market demands:
Global Market Cooperation Experience
Extensive experience working with international distributors and brand owners:

About COMFAST
B2B Wholesale & Custom Solution Expert
Our company excels at enterprise-level network communication and complete wireless coverage solutions. As a professional manufacturer and solution specialist, we integrate research, production, customization, and ongoing service excellence. Key offerings include wireless adapters, repeaters, routers, access points (APs), bridges, switches, and further categories. Supported by sophisticated technical capabilities, standardized manufacturing, and high-efficiency service systems, we supply stable, dependable, practical wireless equipment and bespoke services to clients worldwide.
Customer-centric in philosophy, we deliver full-process one-stop B2B support: from requirement analysis and solution design to customized production, sample trials, mass output, on-time delivery, thorough technical assistance, and attentive after-sales service — forming an integrated closed-loop. We implement strict quality controls, secure complete certifications, maintain mature OEM/ODM expertise, and operate a stable supply chain, flexibly addressing partnership formats such as wholesale, tender projects, engineering installations, brand personalization, and export activities. We go well beyond supplying — we become your reliable, long-term strategic partner.
Yes, modern wired network interface cards fully support Wake On LAN and standard remote network management features. These functions are native built-in capabilities for mainstream high-performance wired network hardware. The card maintains low-power network standby status when the desktop enters sleep or shutdown mode. It can receive external network signals to wake up the device for remote operation and maintenance. This function greatly improves efficiency for multi-device management in professional office environments. It also supports convenient remote device access for daily home desktop use. You must enable Wake On LAN settings in your motherboard BIOS and system network panel. You need to disable system automatic power saving modes to avoid function failure. Correct configuration ensures reliable remote wake-up and stable long-term operation. COMFAST wired network interface cards support complete remote network function activation for daily use.
A 2.5G PCIe network card supports a maximum theoretical wired network speed of 2500 megabits per second. This speed delivers two and a half times more bandwidth than traditional 1000 megabit gigabit network cards. It adapts to high-bandwidth home broadband usage and high-load multi-device office networking scenarios. It drastically shortens transfer times for large files, raw project data, and high-definition media content. Real-world running speeds are slightly lower than theoretical limits due to cables, routers, and environmental interference. You need Cat5e or higher specification Ethernet cables to achieve full 2.5G transmission speed. Standard gigabit routers will limit the maximum speed output of 2.5G network hardware. You can upgrade to a 2.5G compatible router to unlock the full performance of the network card. COMFAST high-performance 2.5G PCIe network cards provide reliable high-speed wired transmission for modern network environments.













