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Incorporate network access into your desktop computer's build with this ASUS 10GBase-T PCIe network adapter. The RJ45 port lets you use an Ethernet cable for connection, while QoS functionality streamlines your online gaming experience. This ASUS 10GBase-T PCIe network adapter is backward-compatible with select network standards to further simplify installation and use.
A: SInce this question is over a year old with NO REPLY, , my guess is that they do not care about keeping your business.
A: Yes, this card supports 10Gbps networking speeds. https://www.asus.com/us/Networking-IoT-Servers/Wired-Networking/All-series/XG-C100C/
Q: Was this card manufactured in China?
A: ASUS has manufacturing plants from other countries, a serial number is required in order to determine which country it was manufactured from.
Q: If I have a PCIE 3.0 instead of a 4.0 how will my speeds differ?
A: I was told 5-10% loss, I had a 4070 S on my 10600k(z490) and it ran fine. Smoked my 3060 ti. I was going to upgrade CPU first, but after researching everything, decided to do GPU then whatever CPU I can grab when a sale hits. I hope this helps.
Q: This NIC is PCIe x3 compatible?
A: Yes, this NIC is PCIe x3 compatible.
Q: Does the type PCI Express slot matter on the speeds?
A: I think the question should be: "What generation of PCIe does this card support?" Given its age (released in 2017), I doubt this card is anything more than a PCIe Gen2 (at most a Gen3) card. NOTE: Gen2 is "enough" to support a 10GbE NIC (@ 4Gb/lane * 4 = 16Gb) It would certainly be nice if ASUS and other manufacturers stated what the card actually supports (requires) on the PCIe side. It's inaccurate (at best) to state that PCIe Gen4 offers any performance benefit at all. Just my opinion of course...based in math though it is: ¯\_(ツ)_/¯

Incorporate network access into your desktop computer's build with this ASUS 10GBase-T PCIe network adapter. The RJ45 port lets you use an Ethernet cable for connection, while QoS functionality streamlines your online gaming experience. This ASUS 10GBase-T PCIe network adapter is backward-compatible with select network standards to further simplify installation and use.

TX2012.5 Gigabit PCIe Network Adapter.2.5Gbps Networking - 2.5 Gigabit Ethernet reaches blazing-fast data rates up to 2.5 billion bits per second-2.5 faster than standard Gigabit Ethernet. For bandwidth-intensive tasks, whether local data transfer or Internet access, the TX201 is up to the task. Versatile Compatibility - With extreme speed and ultra-low latency, 2.5GBase-T is backwards compatible with Fast Ethernet and Gigabit Ethernet, automatically negotiating between higher and lower speed connections. Low-Profile and Full-Height Brackets - In addition to the standard bracket, a low-profile bracket is provided for mini tower computer cases. Customized options give you the flexibility to find a bracket that perfectly fits your board design. Comprehensive System Support - Fully compatible with Windows 11/10/8.1/8/7, Windows Servers 2022/2019/2016/2012 R2/2012/2008 R2, Linux. Maximum wired data throughput rates are the physical rates derived from IEEE Standard 802.3 specifications. Actual wired data throughput is not guaranteed and will vary as a result of environmental factors, Ethernet cable class, and computer performance. To ensure compatibility, you may need to update the adapter's drivers after an OS update. Full list of supported OS is in download center. Incredible 2.5G Networking 2.5 Gigabit Ethernet reaches blazing-fast data rates up to 2.5 billion bits per second-2.5 faster than standard Gigabit Ethernet. For bandwidth-intensive tasks, whether local data transfer or Internet access, the TX201 is up to the task. *2.5Gbps NAS Connection -- Lightning-Fast Local Data Transmissions *2.5Gbps Host Server Building -- High Hardware Configuration for a Powerful Server *2.5Gbps Internet Access --Make Full Use of Your High-Speed Internet Access Household Storage, Share in Seconds For local connections, a 2.5G PCIe adapter helps build a lightning fast transport channel between a central storage device and other working machines in your local network. Local data transmissions will be a breeze for you as you handle bandwidth-intensive tasks easily at your home or office. 2.5G Extremely Fast Internet Response With 2.5Gbps internet access, your gaming will be fully optimized with a large boost in speed, latency, and responsiveness. Large-sized game downloads, seamless live streaming, and massive data backups via the cloud are as easy as choosing your character. Versatile, Multi-Speed Compatibility 2.5G Base-T is backwards compatible with multiple data rates, including 2.5Gbps, 1Gbps, 100Mbps and 10Mbps Base-T connectivity. The 2.5G Ethernet port automatically negotiates between higher and lower speed connections, allowing you to upgrade to 2.5G networking smoothly. QoS Support Quality of Service technology ensures enough bandwidth and avoids network congestion. Whether streaming or real-time gaming, enjoy a smooth web experience. Wake On LAN Remotely power on/off your computer with WOL, good for centralized management. Low-Profile Bracket In addition to the standard bracket, a low-profile bracket is also provided for mini tower computer cases. Easy Setup Simple software installation with the intuitive Utility on the provided CD. Comprehensive System Support Fully compatible with Windows 11/10/8.1/8/7, Windows Servers 022/2019/2016/2012 R2/2012/2008 R2, Linux.

Synology E10M20-T1 10Gb Ethernet and M.2 Adapter card

Asus ThunderboltEX 5 - PCI Express 4.0 x4 - 15 GB/s - Desktop, Keyboard, Mouse, Monitor - Plug-in Card - 3 USB Port(s) - 1 Thunderbolt Port(s) - 1 USB 2.0 Port(s) - PC
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I plugged it in, installed the Asus drivers and it works. I get my gigabit speeds and low latency when using speedtest.net. If I run into issues I will update my review, but I am using it right now to type up this review. Absolutely worth it in my honest opinion. We will see how it performs, and if I still have the random disconnects from games that I was having with the onboard ethernet. If I do then I think I have a bigger problem. This device appears to be functioning as it should, and if I ever need a 10G connection, and a board that I use doesn't have it, I can just re-use this.
This review is from ASUS - 10G PCI Express Network Adapter - Red
Posted by CriticalCustomer
Fast Easy to in stall Future proof Stays cool with active large heat sink Like the color red And nice price for a 10gig ,5,g,2.5,1g
This review is from ASUS - 10G PCI Express Network Adapter - Red
Posted by PhillipM
Had to buy this because i pulled a dumb move of shutting off internet access to my on board with my new google mesh 6e. Got this to get internet again. It works, i get my speeds. But it fights me from time to time where i need to trouble shoot my system to get internet to this again. And thats with the onboard access actually and purposefully disabled to get great speeds with this device. Also the fact that i have to get drivers via either cd (who has a cd drive on their pc bow a days) or going thru a seperate device and download it to a thumbdrive to download the drivers for it. Absird. Just get me like a 1gb drive in the box, instead of a CD
This review is from ASUS - 10G PCI Express Network Adapter - Red
Posted by BigSpender