Under linux, what driver-packages allow card software settings and namely 'os, software bifurcation' from the 'card's harware bifurcation'?

Any non-EOL version of linux will have the driver with the stock kernel

Should most sfp+ adapters work in this unit? are there any known exceptions? we are hoping to put in 1xsfp+ direct attach cable and 1xsfp copper...

The X520-DA2 is 10G port, it can work with Intel Compatible 10G Transceiver and SFP+ direct attach cable(DAC).

Will it work in a PCIe 2.0 x8 slot?

Yes, our Intel X540-T2 network card can compatible PCIe 2.0 x8 slot.

Does this card support sr-iov?

Yes, the Intel X550-T2 NIC support it. And ipolex also provide after-sale service, if there is any questions, please feel free to contact us.

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🚀 Elevate your Ethernet game with 10G speed and ironclad reliability!

ROCK SOLID STABILITY - Powered by the original Intel 82599EN controller, enjoy smooth, lossless packet transmission even under heavy loads.
FLEXIBLE INSTALLATION - Includes both low profile and full-height brackets to fit any standard or mini PC/server chassis effortlessly.
PEACE OF MIND WARRANTY - Backed by a 3-year warranty and 24/7 expert support, ensuring your network stays online and optimized.
PLUG PLAY VERSATILITY - Compatible with Windows, Linux, VMware, and more—perfect for diverse environments from data centers to home offices.
BLAZING 10 GB S CONNECTIVITY - Upgrade your network with dual 10G SFP+ ports for ultra-fast data transfer and future-proof performance.

The ipolex X520-DA2-IPO Network Adapter features dual 10G SFP+ ports powered by an Intel 82599EN controller, delivering ultra-fast, stable Ethernet connectivity. Compatible across major operating systems and equipped with flexible mounting brackets, it’s designed for both professional data centers and advanced home setups. Comes with a 3-year warranty and round-the-clock technical support.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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Compatible Devices	Server, Desktop, Router
Color Name	2 SFP+
Batteries Included	No
Batteries Required	No
Brand	ipolex
Manufacturer	ipolex
Item Model Number	X520-DA2-IPO
Included Components	Low profile, full-height bracket
Operating System	Windows Server/Windows/Linux/VMware
Connectivity Technology	Ethernet
Size	X520-DA2（2*SFP+）
Product Dimensions	22.35 x 14.73 x 3.05 cm; 136.08 g
Item Weight	136 g

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