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Intel X550T2 ETHERNET Network Adapter X550-T2
Intel X550T2 ETHERNET Network Adapter X550-T2
Intel X550T2 ETHERNET Network Adapter X550-T2
Intel

Intel X550T2 ETHERNET Network Adapter X550-T2

★★★★★4.6 (2 reviews)

Dual 10GBase-T ports on a single PCIe 3.0 card give servers and workstations full 10Gb/s Ethernet over standard copper cabling without the cost of fiber infrastructure.

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Overview

The Intel X550-T2 brings two full 10Gb/s Ethernet ports to servers and workstations via a single PCIe 3.0 x16 add-in card — and it does so over standard RJ-45 copper cabling, which is the practical differentiator from SFP+-based alternatives. That 10GBase-T design choice means organizations already running Cat 6A structured cabling can upgrade to 10Gb/s networking without touching their patch panels, wall plates, or switches that support 10GBase-T ports. The PCIe 3.0 interface provides 8GT/s per lane, delivering more than enough bus bandwidth to simultaneously saturate both 10Gb/s ports without creating a PCIe throughput ceiling.

Beyond raw connectivity, the X550 silicon's SR-IOV capability positions this card as a serious option for virtualized infrastructure — hypervisor administrators can partition each physical port into multiple virtual functions, assigning them directly to VMs and bypassing the hypervisor's software switching layer for measurably lower latency and CPU overhead. Intel's ixgbe driver is included in the Linux kernel mainline, which translates to seamless deployment on virtually any modern server Linux distribution. For NAS builders, home labs, and production workstations moving large files across a 10Gb/s local network, this card represents a mature, well-supported solution backed by Intel's enterprise driver track record.

Key Features

Country of Origin: CHINA

Item Package weight : 0.02 grams

Specifications

Brand
Intel
Model
X550T2
Number of Ports
2 x 10GBase-T (RJ-45)
Host Interface
PCI Express 3.0 x16
Network Technology
10GBase-T
Supported Media
Twisted Pair (Cat 6A / Cat 7)
Country of Origin
China

Pros & Cons

👍 Pros

  • Dual 10GBase-T ports deliver up to 20Gb/s aggregate throughput from a single card, consolidating two high-speed connections without occupying two PCIe slots.
  • 10GBase-T over copper eliminates the need for SFP+ transceivers or fiber runs — standard Cat 6A cabling infrastructure is sufficient.
  • PCIe 3.0 x16 interface provides ample bus bandwidth to fully saturate both 10Gb/s ports simultaneously without a PCIe bottleneck.
  • SR-IOV support makes this adapter viable for VMware, KVM, and Hyper-V hypervisors that benefit from direct VM-to-NIC assignment.
  • Intel's ixgbe kernel driver means out-of-the-box Linux compatibility on most modern server distributions with no third-party driver installation.

👎 Cons

  • 10GBase-T ports draw noticeably more power than SFP+-based alternatives — relevant in dense rack deployments where power budgets are tight.
  • The card's physical length (full-height PCIe) may not fit in compact server chassis or small form factor workstations.
  • 10GBase-T generates higher latency than direct-attach copper (DAC) SFP+ connections — a meaningful difference in latency-sensitive storage or HPC applications.
  • Requires Cat 6A cabling for full 100-meter 10GbE reach; existing Cat 5e infrastructure will not support this adapter at rated speeds.

Frequently Asked Questions

10GBase-T runs over Cat 6A or Cat 7 copper cabling at distances up to 100 meters — the same infrastructure used for standard Gigabit Ethernet. Cat 6 will work at shorter distances (up to ~55m depending on crosstalk conditions). This means you can upgrade to 10Gb/s without replacing your existing structured cabling in most enterprise and lab environments.
The adapter uses a PCIe 3.0 x16 host interface but is electronically compatible with x8 and x4 slots — the card will negotiate down to the available lanes. You will see a bandwidth ceiling in very high-throughput scenarios on a x4 slot, but for standard dual-10GbE traffic, a x8 slot is effectively unconstrained.
Intel provides drivers for Windows Server, Linux (inbox kernel drivers via ixgbe), and VMware ESXi. Linux support through the in-kernel ixgbe driver means zero third-party dependencies on most server distributions. Check Intel's current driver download page for the latest version supporting your specific OS release.
Yes, the X550 silicon supports SR-IOV (Single Root I/O Virtualization), which allows the physical ports to be partitioned into virtual functions assigned directly to VMs. This is relevant for hypervisor deployments where bypassing the software network stack reduces latency and CPU overhead.
Yes, as long as the board has a PCIe 3.0 x16 (or x8/x4) slot and sufficient PCIe lane allocation. Note that your network switch also needs 10GBase-T ports — most consumer switches top out at 1GbE, so verify your switching infrastructure supports 10GbE before expecting the full throughput benefit.

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