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2.5G PCIe Network Adapter, RTL8125B 2500/1000/100Mbps Binardat Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/Mac
Binardat

Binardat 2.5G PCIe Network Adapter

Bottom line: The Binardat 2.5G PCIe Network Adapter ($16.99 on Amazon as of 2026-10-06): RTL8125B chip delivers 2.5Gbps, auto-negotiates 1G/100M/10M; main trade-off: PCIe only, will not work in legacy PCI slots.

$16.99

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ RTL8125B chip delivers 2.5Gbps, auto-negotiates 1G/100M/10M
  • ✓ Fits PCIe x1/x4/x8/x16; standard + low-profile brackets included
  • ✓ Runs 2.5G over Cat5e or better up to 100m (328 ft)
  • ✓ Wide OS support: Windows 10/8/7, Server, Linux, macOS
  • ✓ PXE boot, 802.1Q VLAN tagging, Auto MDIX, full-duplex flow control

Cons

  • ✗ PCIe only, will not work in legacy PCI slots
  • ✗ Realtek driver often needs manual download or bundled CD
  • ✗ Single RJ45 port, no dual-port or SFP+ option
  • ✗ Full 2.5G requires Cat5e+ cabling, not older Cat5

SpecPicks Verdict

SpecPicks scored Binardat 2.5G PCIe Network Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the retro networking cards category. Binardat's retro networking cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro networking cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 【2.5Gbps Network】 Up to 2.5 Gigabit with Realtek RTL8125B chip, compatibe 1Gbps/100M/10M auto-negotiation, support standard Cat5e or above UTP at distances up to 100m (328 feet)
  • 【PCIe Slot】Compatible for PCIe slot X1,X4,X8,X16, default with standard bracket, also include low profilce bracket, support multiple installation such as PC, server, workstation, NAS, etc. **not for PCI slot**
  • 【Multiple OS】Support Windows10/8.1/8/7/Server 2012,2008, Linux, Mac OS, freely driver download, CD-ROM, manual, Driver link on the bracket, Binardat/Realtek official website can download the driver easily.
  • 【Network Feature】Support PXE, Auto MDIX, IEEE 802.1Q VLAN tagging, IEEE802.3bz(2.5GBASE-T), Full Duplex flow control(IEEE 802.3x), IEEE 802.1P Layer 2 Priority Encoding
  • 【Easy to Use】Select the appropriate brackets according to the chassis size, insert into the PCIe slots, install the driver, connect to the network, the LEDs show the link status and rate. Any questions, please contact our support email, we will provide timely service.

Full Specifications

BrandBinardat
Weight2.5g
CompatibilityPC, Mac, Linux
Mfr Part NumberNA2G1
Number of Items1
Compatible DevicesDesktop
Data Link ProtocolEthernet
Data Transfer Rate2500 megabytes_per_second
Hardware InterfacePCI Express x1
Full listing title2.5G PCIe Network Adapter, RTL8125B 2500/1000/100Mbps Binardat Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/Mac

Ready to buy?

2.5G PCIe Network Adapter, RTL8125B 2500/1000/100Mbps Binardat Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/Mac is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $16.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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