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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X520-10G-2S-X8

Product ID: 52650747

Details

Brand
10Gtek
Colour
2) X520-DA2
Compatible Operating System Family
Windows
Compatible devices
Desktop
Data link protocol
Ethernet
Data transfer rate
10 Gigabytes

⚡10Gbps blazing speed

💻PCIe 2.0 x8 lane for max throughput

🔗Dual SFP+ ports for versatile connectivity

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Description

🚀 Upgrade your network, upgrade your hustle.

DUAL SFP PORTS - Plug & play with 10G SFP+ modules, DAC, or AOC for flexible network setups.
BROAD OS COMPATIBILITY - Seamlessly integrates with Windows, Linux, VMware, and more for versatile deployment.
INTEL 82599 ES POWERHOUSE - Industry-trusted controller ensures rock-solid reliability and performance.
BLAZING 10 GBPS THROUGHPUT - Experience ultra-fast data transfer that leaves 1G in the dust.
FUTURE PROOF PC IE 2 0 X 8 INTERFACE - Maximize bandwidth with PCIe lanes designed for high-demand professional environments.

The 10Gtek 2-Port 10Gb SFP+ PCI-E Network Card features the Intel 82599ES controller delivering true 10Gbps speeds via dual SFP+ ports. Designed for professional-grade performance, it supports PCIe 2.0 x8 slots and a wide range of operating systems including Windows, Linux, and VMware. Ideal for managers and IT pros demanding reliable, high-speed connectivity with future-ready hardware.

Specifications

ASIN	B01DCZCA3O
Best Sellers Rank	5,468 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 18 in Network Cards
Box Contents	X520-DA2(Intel-1pc)(UK)
Brand Name	10Gtek
Color	2) X520-DA2 (2x SFP+)
Compatible Devices	Desktop
Compatible Operating System Family	Windows
Country of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (236)
Data Link Protocol	Ethernet, Gigabit Ethernet
Data Transfer Rate	10 Gigabytes Per Second
Hardware Interface	PCIE x 8
Item Highlight	Dual SFP+ Ports, PCIe2.0, X8, Compatible with Intel X520-DA2, Support Windows Server/VMware ect., Model: X520-10G-2S-X8
Item Weight	0.35 Pounds
Manufacturer	10Gtek
Manufacturer Part Number	10Gtek X520-DA2
Minimum Required Operating System Version	Windows 7
Model Number	X520-DA2(Intel-1pc)(UK)
Number of Items	1
Number of Packs	1
Product Warranty	3 years
UPC	603149407824

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₨49347

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered 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 Sri Lanka.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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