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X-MEDIA XM-NA6821 PCI-E 2-Port 10Gbps Gigabit Ethernet PCI Express (PCIe x8) Server Network Adapter Card | Intel X540-T2 Chipset | Windows 11 & Linux Supported
X-MEDIA

X-MEDIA XM-NA6821 PCI-E 2-Port 10Gbps Gigabit Ethernet PCI Express (PCIe x8) Server Network Adapter Card | Intel X540-T2 Chipset | Windows 11 & Linux Supported

Bottom line: The X-MEDIA XM-NA6821 PCI-E 2-Port 10Gbps Gigabit Ethernet PCI Express is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category, priced around $69.99 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$69.99

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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

  • ✓ Standards: IEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.3bz, 802.3an
  • ✓ Backed by X-MEDIA's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

This XM-NA6821 with Intel X540-T2 controller chipset, dual 10Gbps Gigabit Ethernet PCI Express card, it is a high-performance Multi-Gigabit Ethernet card that supports the 10GBASE-T/5GBASE-T/2.5GBASE-T/1000BASE-T/100BASE-T. This Adapter supports six speeds: 100Mbps and 1G/2.5G/5G/10G. Both Full/Low profile bracket are included, suitable for all PCs.

SpecPicks Verdict

SpecPicks scored X-MEDIA XM-NA6821 PCI-E 2-Port 10Gbps Gigabit Ethernet PCI Express… using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. X-MEDIA's expansion 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 expansion 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

  • Standards: IEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.3bz, 802.3an
  • Data Transfer Rate: 100Mbps/1G/2.5G/5G/10G (2-Ports)
  • BUS: PCI Express (PCIe x8); LEDs: ACT/Link
  • Standard / Low Profile Bracket Included
  • Supported OS: Windows 7 / 8 / 8.1 / 10 / 11(32/64-bit); Linux; FreeBSD 11 or later; VMWare ESXi; Windows Server 2008 / 2012 / 2016

Full Specifications

BUSPCI Express (PCIe x8); LEDs: ACT/Link
BrandX-MEDIA
ColorGreen
Weight1g
StandardsIEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.3bz, 802.3an
Model NumberXM-NA6821
Supported OSWindows 7 / 8 / 8.1 / 10 / 11(32/64-bit); Linux; FreeBSD 11 or later; VMWare ESXi; Windows Server 2008 / 2012 / 2016
CompatibilityLinux
Built-In MediaCD Driver Disk w/User Guide, Low Profile Bracket, XM-NA6821 2-Port 10GbE PCIe x8 NIC
Mfr Part NumberXM-NA6821
Compatible DevicesLaptop, Desktop
Data Link ProtocolGigabit Ethernet
Data Transfer Rate10 Gigabits Per Second
Hardware InterfaceEthernet, PCI Express x8
Item Dimensions L x W x H5.5"L x 2.75"W x 0.75"H

Ready to buy?

X-MEDIA XM-NA6821 PCI-E 2-Port 10Gbps Gigabit Ethernet PCI Express (PCIe x8) Server Network Adapter Card | Intel X540-T2 Chipset | Windows 11 & Linux Supported 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 — $69.99

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

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