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 PCIe NIC Network Card with Broadcom BCM57810S, Dual SFP+ Port | with Broadcom BCM57810S Chipset, 10G PCI Express Ethernet LAN Adapter, Support Windows Server/Windows/Linux/VMware

Product ID: 53757116

Details

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

⚡10Gbps blazing speed

🔗Dual SFP+ ultra connectivity

🖥️PCIe 2.0 x8 seamless integration

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Description

⚡ Upgrade your network, upgrade your edge.

BLAZING 10 GBPS THROUGHPUT - Experience lightning-fast data transfer that future-proofs your network infrastructure.
COMPACT LOW PROFILE DESIGN - Includes standard and low-profile brackets for easy installation in any server or desktop chassis.
UNIVERSAL OS COMPATIBILITY - Seamlessly supports Windows Server, Linux distros, and VMware for versatile deployment.
BROADCOM BCM 57810 S CHIPSET STABILITY - Industry-leading chipset ensures rock-solid server reliability and uptime.
DUAL SFP PORTS FOR ULTIMATE FLEXIBILITY - Connect effortlessly with high-performance fiber or DAC cables to meet any data center demand.

The 10Gtek 10Gb PCI-E NIC Network Card features the powerful Broadcom BCM57810S chipset, delivering stable and ultra-fast 10Gbps Ethernet connectivity via dual SFP+ ports. Designed for professional-grade servers and desktops, it supports a wide range of operating systems including Windows Server, Linux, and VMware. With PCI Express 2.0 x8 compatibility and both standard and low-profile brackets, this adapter offers flexible installation options and reliable performance for demanding data center environments.

Specifications

ASIN	B06XHGFD69
Best Sellers Rank	#14 in Internal Computer Networking Cards
Brand	10Gtek
Color	BCM57810-10G-2S(2xSFP+)
Compatible Devices	Server, Desktop
Compatible Operating System Family	Linux, Windows
Customer Reviews	4.3 4.3 out of 5 stars (61)
Data Link Protocol	Ethernet
Data Transfer Rate	10 Gigabytes Per Second
Hardware Interface	PCIE x 8
Item Weight	127 Grams
Manufacturer	10Gtek
Mfr Part Number	BCM57810-2S(Broadcom-1pc)
Model Number	8541545746

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$109.70

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In stock

Sold byAmazon USADelivered 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 USA.

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