Skip to main content
10Gb RJ45 NIC, 10GBASE-T PCIe Network Card with Realtek RTL812 Chip, Single RJ45 Port, PCIe X1, 10G CNA (Converged Network Adapter) with Low Profile for Windows/Windows Server/Linux
H!Fiber.com

H!Fiber.com 10Gb RJ45 NIC

Bottom line: The H!Fiber.com 10Gb RJ45 NIC is a specs-and-price decision rather than a crowd-consensus one in the retro networking cards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Check price on Amazon → Compare to similar retro networking cards

By , Founder & Editor-in-Chief · Listing data updated

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.

Pros & Cons

Pros

  • ✓ Backed by H!Fiber.com's warranty and support channels

Cons

  • ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Gen4 NIC, 10Gb/s PCIe Network Adapter, 10G CNA, 10GBASE-T PCIe Network Card, PCIe X1, for Windows/Linux OS PCIe: PCIe Gen4 X1, Controllner: Realtek RTL8127 Compatible Devices: Any desktop computer with PCI Express slot, Applicable for PCIe x1/x4/x8/x16 slots Product Dimensions: 3.39"L x 2.46"W Data Link Protocol: IEEE 802.3/u/x/ab/az/bz/an Data Transfer Rate: 10Mbps~10Gbps Auto-negotiation Driver: need Link reach: 100 Meters@CAT6a Compatible OS: Windows 10/11, Windows Server 2019/2022/2025, Linux kernel up to 6.15 Bracket: Full height and low profile

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored H!Fiber.com 10Gb RJ45 NIC using a rating × review-volume × price-fit model applied to published specs and reviews across the retro networking cards category. H!Fiber.com'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

  • Ethernet Controller: 10Gb Network Card equipped with the reliable Realtek RTL8127 controller and exclusive RealWoW technology, this network card delivers enhanced data transfer stability and performance. It supports convenient wake-up and diagnostic functions to keep your network connection smooth and manageable.
  • Flexible Speed: Single RJ45 port with auto-negotiation for 10 Gbps/ 5 Gbps/ 2.5 Gbps/ 1 Gbps/ 100 Mbps data rates, adapting to your network infrastructure effortlessly. Supports up to 100 meters of transmission distance when using Cat.6a cables. Included full-height and low-profile brackets allow easy installation in standard desktop computers and rack-mounted servers, meeting diverse hardware needs.
  • Widely Compatible OS: Windows 10/11, Windows Server 2019/2022/2025, Linux kernel up to 6.15. (Not support FreeBSD, ESX/ESXi, Mac OS and Bypass Mode); Simply scan the QR code on the NIC to download operating systems driver.
  • Easy to Install: Featuring a PCIe Gen4 x1 lane design, this network card offers broad compatibility with PCIe X1, X4, X8, and X16 slots.Network Card is packed with both Low Profile Bracket and Full-height Bracket that support on Standard and Slim computer/server.
  • Advanced Networking Protocols: Unlock professional networking capabilities with support for PXE (Preboot Execution Environment), WOL (Wake-on-LAN), and Jumbo Frames. It also supports IEEE 802.1Q VLAN tagging, IEEE 802.3x Full Duplex Flow Control, and IEEE 802.1ad Double VLAN, ideal for enterprise environments needing segmented networks, stable data flow, and remote device management

Full Specifications

BrandH!Fiber.com
Color1 Pack
Weight10g
Unit Count1 Count
CompatibilityMac, Linux
Number of Items1
Compatible DevicesDesktop
Data Link ProtocolEthernet
Data Transfer Rate10 gigabytes_per_second
Hardware InterfacePCI Express x1
Full listing title10Gb RJ45 NIC, 10GBASE-T PCIe Network Card with Realtek RTL812 Chip, Single RJ45 Port, PCIe X1, 10G CNA (Converged Network Adapter) with Low Profile for Windows/Windows Server/Linux

Ready to buy?

10Gb RJ45 NIC, 10GBASE-T PCIe Network Card with Realtek RTL812 Chip, Single RJ45 Port, PCIe X1, 10G CNA (Converged Network Adapter) with Low Profile for Windows/Windows Server/Linux 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.

Check price on Amazon →

Related Retro Networking Cards

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
10Gb RJ45 NIC, 10GBASE-T PCIe Network Card with Realtek RTL812 Chip, Single RJ45 Port, PCIe X1, 10G CNA (Converged Network Adapter) with Low Profile for Windows/Windows Server/Linux
View on Amazon →