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.

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.

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.

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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10Gtek 10Gb Dual RJ45 Port Network Card with X540 Controller, PCIe Ethernet LAN Adapter for Windows/Linux/ESX Servers, Compare to Intel X540-T2

Product ID: 33382923

Details

Brand
10Gtek
Color
Compatible Devices
Server Desktop
Compatible Operating System Family
Linux Windows
Data Link Protocol
Ethernet
Data Transfer Rate
10

⚡10 Gbps blazing speed

🔌Dual RJ45 copper ports

🖥️PCIe 2.1 x8 interface

€ 100.79

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Description

🚀 Upgrade your network, upgrade your game.

BLAZING 10 GBPS THROUGHPUT - Experience ultra-fast data transfers that keep your servers ahead of the curve.
VERSATILE OS COMPATIBILITY - Plug and play with Windows, Linux, and ESX servers—future-proof your infrastructure.
COMPACT FLEXIBLE INSTALLATION - Includes standard and low-profile brackets to fit any server or desktop chassis with ease.
INTEL X 540 CONTROLLER STABILITY - Powered by the original Intel chip for intelligent offloads and rock-solid server performance.
DUAL RJ 45 PORTS FOR MAXIMUM CONNECTIVITY - Seamlessly connect to Cat6A cables up to 100m for robust, reliable networking.

The 10Gtek 10Gb Dual RJ45 Port Network Card features the original Intel X540 controller, delivering stable and intelligent offloads for high-performance servers. Supporting 10Gbps speeds over dual copper RJ45 ports compatible with Cat6A cables up to 100m, it fits PCIe 2.1 x8 or x16 slots and works seamlessly across Windows, Linux, and ESX platforms. Designed for data centers and professional setups, it includes both standard and low-profile brackets for versatile installation, backed by a 3-year warranty and lifetime tech support.

Specifications

ASIN	B01HMGWOU8
Best Sellers Rank	#16 in Internal Computer Networking Cards
Brand	10Gtek
Color	X540-10G-2T(2xRJ45)
Compatible Devices	Server, Desktop
Compatible Operating System Family	Linux, Windows
Customer Reviews	4.2 4.2 out of 5 stars (401)
Data Link Protocol	Ethernet
Data Transfer Rate	10 gigabits_per_second
Hardware Interface	PCIE x 8
Item Dimensions L x W x H	8.8"L x 5.7"W x 2.69"H
Item Weight	136 g
Manufacturer	10Gtek
Mfr Part Number	X540-T2 (Intel-1pc)
Minimum Required Operating System Version	Windows 7
Model Number	X540-T2(Intel-1pc)
Number of Items	1
Unit Count	1 Count

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€ 100.79

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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