10Gtek 10Gb PCI-E NIC Network Card, Single SFP+ Port, with Intel 82599EN Controller, Ethernet LAN Adapter Support Windows Server/Linux/VMware, Compare to Intel X520-DA1(E10G42BTDA)

10Gtek 10Gb PCI-E NIC Network Card, Single SFP+ Port, with Intel 82599EN Controller, Ethernet LAN Adapter Support Windows Server/Linux/VMware, Compare to Intel X520-DA1(E10G42BTDA)

Q: What's the difference between the x540-t2 and x550-t2 ?

The X520 and X540 have a PCIe 2.0 x8 interface, which has 32Gbit/s bandwidth. The X550 has a PCIe 3.0 x4 interface, which has 32Gbit/s bandwidth. The single-port versions may be used in slower slots: X520-T1/DA1 or X540-T1/DA1 will work in a PCIe 2.0 x4 slot (at 16Gbit/s); the manual says the T550-T1 should work in a PCI 2.0 x4 slot as well, although I haven’t tried it.

Q: Has anyone actually gotten close to the 10gbps connection speed for this card? pcie 2.0 has limit of 5 gt/s or about 4gpbs max. so can it be 10gb?

The card is PCIe 2 with x8 lanes, which is 4 GigaByte per second. 4 GigaByte is the same as 32 GigaBit, so it should handle 10 GigaBit just fine.

Q: Will this card negotiate down to a pcie gen 3 x2? i think my only free x4 slot only runs in x2 mode which is why i'm asking.

No, please kindly note that the X550-T1 supports PCIe v3.0 (8.0GT/s) (Compatible with 2.0 and 1.1) X4/X8/X16 Lane, and it does not support X2.

Q: does this work with windows 11?

I have not gotten it to work with windows 11. The seller says to install drivers 26.7 but those dont work

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Product ID: 34831237

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Details

Brand
10Gtek
Hardware Interface
PCIE x 8
Color
Compatible Devices
Server Desktop
Data Link Protocol
Ethernet
Data Transfer Rate
10 Gigabytes

⚡10Gbps blazing speed

🔌Single SFP+ port for high-speed fiber

🖥️Intel 82599EN for rock-solid stability

Frequently Bought Together

10Gtek 10Gb PCI-E NIC Network Card, Single SFP+ Port, with Intel 82599EN Controller, Ethernet LAN Adapter Support Windows Server/Linux/VMware, Compare to Intel X520-DA1(E10G42BTDA)

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Description

🚀 Upgrade your network to pro-grade 10GbE speed and stability!

BLAZING 10 GBPS THROUGHPUT - Experience ultra-fast data transfer that leaves 1G and 2.5G adapters in the dust.
CROSS PLATFORM POWERHOUSE - Supports Windows Server, Linux, VMware—future-proof your network infrastructure with broad OS compatibility.
INTEL POWERED RELIABILITY - Equipped with the original Intel 82599EN controller for unmatched server stability and I/O virtualization.
SEAMLESS FIBER CONNECTIVITY - Single SFP+ port supports DAC/AOC modules, perfect for cutting-edge data centers and pro setups.
VERSATILE PCI E COMPATIBILITY - Fits both PCI-E x8 and x16 slots, plus includes low-profile bracket for sleek, compact builds.

The 10Gtek 10Gb PCI-E NIC Network Card features a single SFP+ port powered by the Intel 82599EN controller, delivering 10Gbps Ethernet connectivity. Compatible with a wide range of operating systems including Windows Server, Linux, and VMware, it supports PCI-E x8/x16 slots and comes with both standard and low-profile brackets for flexible installation. Ideal for data centers and high-performance networking environments, this adapter ensures stable, high-speed connections with advanced I/O virtualization.

Specifications

Color	X520-10G-1S(1xSFP+)
Data Link Protocol	Ethernet
Data Transfer Rate	10 Gigabytes Per Second
Compatible Devices	Server, Desktop
Hardware Connectivity	PCIE x 8

Have a Question? See What Others Asked

What's the difference between the x540-t2 and x550-t2 ?

Has anyone actually gotten close to the 10gbps connection speed for this card? pcie 2.0 has limit of 5 gt/s or about 4gpbs max. so can it be 10gb?

Will this card negotiate down to a pcie gen 3 x2? i think my only free x4 slot only runs in x2 mode which is why i'm asking.

does this work with windows 11?

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TrustScore 4.5 | 7,300+ reviews