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🚀 Quad-Port 2.5G LAN Card: Speed, Power & Flexibility for the Connected Pro
The Binardat NA2G4 is a high-performance 4-port 2.5Gbps PCIe network card featuring the Realtek RTL8125B chipset. It supports multi-speed auto-negotiation (2.5G/1G/100M/10M), PCIe Gen2.1 x4 interface, and is compatible with Windows, Linux, and MacOS. Designed for professionals demanding faster, reliable wired connections, it includes advanced features like QoS, VLAN, PXE boot, and jumbo frames, all while enabling easy installation with standard or low-profile brackets. Perfect for desktops, servers, and workstations aiming to future-proof their network infrastructure with cost-effective copper cabling.


















| Asin | B0C4H41C6X |
| Best Sellers Rank | #156 in Internal Computer Networking Cards |
| Brand | Binardat |
| Compatible Devices | Desktop |
| Compatible Operating System Family | Linux, Windows |
| Customer Reviews | 4.3 4.3 out of 5 stars (343) 4.3 out of 5 stars |
| Data Link Protocol | Ethernet, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3 |
| Data Transfer Rate | 2500 megabits_per_second |
| Hardware Interface | PCI Express x4 |
| Item Weight | 0.21 kg |
| Manufacturer | Binardat |
| Mfr Part Number | NA2G4 |
| Number Of Items | 1 |
User
Worked instantly
Popped right in and Windows Server 2025 recognized it immediately. Link speed shows 2.5 gbps and download speed test confirms it.
User
Great NIC with good OS support.
I have purchased a few of these NICs for PCs and servers that only had 1 Gbps built in, and they work great with Windows, FreeBSD, and Linux.
User
Great for a router
Great for a lil diy router, really good quality and couldn't be easier to install. It's always nice to have extra hardware included, and I need it for a my low profile computer build, and no extra cost is always good!
User
Good product
Works great, noticed an increased snappiness to the computer.
User
Stable and fast and only an x1 slot
Got this for an Unraid server I have that doubles as a gaming virtual machine so I could dedicate one port to the server and one to the VM and use my 2 Gbps Internet and also have low latency to the VM. It works and it’s stable so it gets the job done. Good investment!
User
Doesn't work on my Mac
I hoped it would work in my Mac Pro with Ventura 13.7.8, but I was wrong.I wasn't able to install a driver and it was not recognized automatically.
User
Does not work with PFSense
If you use PFSense, this card does not work. The BSD operating system does not have drivers available.
User
Works fine but had issues with my motherboard
I tested this in 3 different machines. One of my ASUS motherboards had an issue that when you initially started the machine, the PCI-E was not active. This is NOT the fault of the card but the fault of the motherboard. For me to get the machine to boot fresh with the card active I was required to disable the onboard ethernet adapter. If you intend to use the onboard adapter and this adapter doublecheck reviews of your manufacturers motherboard before blaming the manufacturer of this board.To ensure you have setup the card properly. When you first install this, windows will install a default driver. I would double check the card works as expected by doing speed tests if you have internet speeds at 2.5Gbps. If you do not have those speeds you can setup iperf3 server and client and run a speed test between 2 computers. A poor mans version of this is to copy a large file from computer A to computer B. But if you do the copy file trick, you must ensure you hard drive speeds are at or above the 2.5G speeds. Some SSDs cap out at 100Mbs. Drives rated at 6G or 600Mbs likely will never run at those speeds. So keep that in mind when doing speed tests with data.If you noticed you are not getting expected speeds for the adapter. I would recommend downloading the realtek drivers from realtek. Once installed, you can change the adapter settings in the Device Manager to used 2.5G instead of the default often set to 1.0G. You may also want to turn on Jumbo frames. But in doing so check your router's capabilities for jumbo frames. Some routers will limit or restrict jumbo frames so keep that in mind. If turning on Jumbo frames and you speeds decrease you likely are having issues with your router. Some manufacturers, especially those with all 2.5G ports usually turn this feature on by default.Overall, after testing in 3 different machines. I plan to use this in my gaming PC. I can finally upgrade my internet speeds and take advantage of it for both my server and my gaming PC. A worthy upgrade in my mind since my day job includes having fast and reliable internet connection.
User
Behaalt zijn topsnelheid
Getest op een Windows 11 machine die alleen een 1gbit aansluiting had. Deze netwerkkaart haalt netjes ongv de top van 2,5GBIT up en down. Bouwkwaliteit is goed.
User
Au top sur un serveur.
Binardat Adaptateur réseau PCIe 4 ports 2,5 G, contrôleur LAN RTL8125B:Installé à un PC serveur Proxmox pour me mettre de faire mes VLANs (Pfsense), les transferts sont vraiment au top dans mon infra (et une nette différence avec la carte de la carte mère qui gérait le LAN et VLAN)Petit soucis lors de l'installation de la carte sur le serveur, au démarrage Proxmox ne détectait plus aucune carte réseau du PC (7 en tout), j'ai dû faire une mise à jour de proxmox avec clef USB (mise à niveau et non nouvelle installation) pour que tout fonctionne corerctement. Vraiment au top, à voir dans le long terme (PC h24 / 7/7 en route).
User
Waste of time and money not compatible with PCIe x1
Waste of time and money not compatible with PCIe x1
User
Proxmox ok
Rapide. Compatible Proxmox sans pb.
User
SENSACIONAL.
SENSACIONAL !!!!!!!!!!!!2.5 GIGA, SUPER EFICIENTE, E FÁCIL INSTALAÇÃO.O DRIVER PODE SER BAIXADO DO FABRICANTE REALTECH OU POR DRIVER EXTERNO DE DVD, COM O USO DO DISCO.
Trustpilot
3 days ago
1 month ago