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PCIE X8 Interface to 2X 10Gbps RJ45 Ports Network Adapter, Intel X540-AT2 Ethernet Controller, 2X 10GbE RJ45 Interface PCIE NIC Card, PCI Express 10GbE Converged Network Adapter (X540T2)
FebSmart

FebSmart PCIE X8 Interface to 2X 10Gbps RJ45 Ports Network Adapter

Bottom line: The FebSmart PCIE X8 Interface to 2X 10Gbps RJ45 Ports Network Adapter ($55.99 on Amazon as of 2026-10-06): Genuine Intel X540-AT2 controller, not a rebadged clone, so IXGBE drivers load natively; main trade-off: needs a PCIe x8 or x16 slot with 8 electrical lanes, ruling out most consumer boards' second slot.

$55.99

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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

  • ✓ Genuine Intel X540-AT2 controller, not a rebadged clone, so IXGBE drivers load natively
  • ✓ Two 10GbE RJ45 ports over Cat6 to 55m or Cat6A to 100m, no fiber or transceivers
  • ✓ Drops to 1GbE, 100Mb, or 10Mb per port via 802.3an auto-negotiation for mixed switches
  • ✓ SR-IOV, VMDq, and Flexible Port Partitioning make it usable in ESXi and Proxmox hosts
  • ✓ Ships with both full-height and low-profile brackets for slim NAS and SFF chassis

Cons

  • ✗ Needs a PCIe x8 or x16 slot with 8 electrical lanes, ruling out most consumer boards' second slot
  • ✗ PCIe 2.1 at 5.0 GT/s, an older interface than current PCIe 4.0 network cards
  • ✗ X540-AT2 silicon runs hot and expects real chassis airflow, not a passive desktop
  • ✗ No SFP+ cage, so 10GBASE-T copper is your only option at this price

SpecPicks Verdict

SpecPicks scored FebSmart PCIE X8 Interface to 2X 10Gbps RJ45 Ports Network Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. FebSmart'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

  • 1. FebSmart X540T2 is a PCI Express X8 interface to 2X 10GbE copper RJ45 ports network adapter. It is based on Intel X540-AT2 10GbE original ethernet controller, will provide stable and super speed 2X 10Gbps ethernet connection on Windows Desktop PCs, Windows Servers, Network Attached Storage (NAS), Soft Router and Linux PCs.
  • 2. Network Controller: Intel Ethernet Controller X540-AT2. Data Rate Each Port: 10GbE, 1GbE, 100Mb (10GBASE-T, 1GBASE-T, 100MBASE-T, 10MBASE-T). RJ45 Cable Type: Category 6 up to 55 meters; Category 6A up to 100 meters. System Interface Type: PCIe V2.1 (5.0 GT/s), PCIE X8 Lane Interface. Storage Over Ethernet: iSCSI, FCoE, NFS.
  • 3. Supports Wake Up on LAN. Supports PCI-SIG SR-IOV. Supports Virtual Machine Device Queues (VMDq). Supports Flexible Port Partitioning. Supports Intel Data Direct I/O Technology. Supports Simplified I/O Virtualization. Supports IEEE 802.3 Auto-negotiation on IEEE 802.3an, 802.3, 802.3u, and 802.3ab.
  • 4. Compatible Systems: 1. Windows Server 2022, 2019, 2016, 2012R2, 2012 and Windows 11, 10, 8.x, 7 (32/64bit). 2. Linux kernels drivers IXGBE. 3. RHEL 7.9, RHEL 8.4 / 8.5, RHEL7.0 to 7.8 and 8.0 to 8.3. 4, SLES 12 SP5, SLES 15 SP3, SLES 12 SP4 and previous, 15 SP2 and previous. 5, Ubuntu 18.04 and later, Ubuntu 20.04, and later. 6. FreeBSD 12.2, 13, 12.1 and previous.
  • 5. ATTENTION: 1. PCIE X8 interface design, works on PCIE X8, X16 sot. Users must check if PCs have active and open PCIE X16 (X8 Lane or X16 Lane) slot before purchase. 2. Low profile bracket in the package and full height bracket mounted on this network adapter. Users need change to low profile bracket if using slim PCs. 3. Users must make sure the PCIE X16 slot have X8 or X16 lane, or the X540T2 cannot get expected 2X 10GbE max speed.

Full Specifications

BrandFebSmart
ColorGreen
Unit Count1.0 Count
Model NumberX540T2
CompatibilityLinux
Built-In Media1X Low Profile Bracket, 1X Mini Driver CD, 1X Mount Screw,, 1X User Manual, 1X X540T2
Item Type NamePCIE X8 Interface to 2X 10Gbps RJ45 Ports Network Adapter
Mfr Part NumberX540T2
Number of Items1
Compatible DevicesDesktop
Data Link ProtocolIEEE 802.3an, 802.3, 802.3u, and 802.3ab
Data Transfer Rate10 Gigabytes Per Second
Hardware InterfaceEthernet, PCI Express x8
Warranty Description1-Year Limited Parts Warranty.
Item Dimensions L x W x H4.72"L x 5.39"W x 0.72"H
Full listing titlePCIE X8 Interface to 2X 10Gbps RJ45 Ports Network Adapter, Intel X540-AT2 Ethernet Controller, 2X 10GbE RJ45 Interface PCIE NIC Card, PCI Express 10GbE Converged Network Adapter (X540T2)

Ready to buy?

PCIE X8 Interface to 2X 10Gbps RJ45 Ports Network Adapter, Intel X540-AT2 Ethernet Controller, 2X 10GbE RJ45 Interface PCIE NIC Card, PCI Express 10GbE Converged Network Adapter (X540T2) 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 — $55.99

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

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