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🚀 Power Your Network at the Speed of Now
The 10Gtek Network Adapter X520-10G-1S-X8 delivers enterprise-grade 10 Gigabit Ethernet performance with a high-quality Intel-based controller. Compatible with major OS platforms including Windows Server, Linux, and VMware, it supports I/O virtualization for stable, high-throughput server environments. Featuring a single SFP+ port and PCI-E x8 interface (compatible with x16 slots), it’s designed for data centers and professional workstations seeking cutting-edge connectivity. Installation is streamlined with included driver CD and dual-profile brackets, backed by a 1-year warranty and lifetime support.





| ASIN | B01LZRSQM9 |
| Best Sellers Rank | #41,978 in Computers ( See Top 100 in Computers ) #90 in Network Cards |
| Brand | 10Gtek |
| Built-In Media | Desiccant Packet, Low-Profile Bracket |
| Color | X520-10G-1S (1x SFP+ Slot) |
| Colour | X520-10G-1S (1x SFP+ Slot) |
| Compatible Devices | server |
| Compatible Operating System Family | Windows |
| Compatible devices | server |
| Customer Reviews | 4.5 out of 5 stars 453 Reviews |
| Data Link Protocol | Ethernet |
| Data Transfer Rate | 10 Gigabytes Per Second |
| Data link protocol | Ethernet |
| EU Spare Part Availability Duration | 3 Years |
| Hardware Interface | PCIE x 8 |
| Hardware interface | PCIE x 8 |
| Importer Contact Information | Clicktech Retail Private Limited, 18, Rabindra Sarani, Poddar Court, Gate No.2, Ground Floor Kolkata, West Bengal, 700001. Phone: 18004192373, Email: [email protected] |
| Item Dimensions L x W x H | 12.5L x 6.9W x 1.8H centimeters |
| Item Type Name | Network Card |
| Item Weight | 86 Grams |
| Manufacturer | 10Gtek |
| Manufacturer Contact Information | Shenzhen 10Gtek Transceivers Co. Ltd, Dongguan Branch, Area B, 5th Floor, Building 11, Jinnuo Industrial Park, Technology Avenue, Hetian Community, Houjie Town, Dongguan City, Guangdong Province, P.R. China, Email: @10gtek.com |
| Mfr Part Number | X520-DA1(Intel-1pc) |
| Model Number | 8541551539 |
| Packer Contact Information | Shenzhen 10Gtek Transceivers Co. Ltd, Dongguan Branch, Area B, 5th Floor, Building 11, Jinnuo Industrial Park, Technology Avenue, Hetian Community, Houjie Town, Dongguan City, Guangdong Province, P.R. China, Email: @10gtek.com |
| Product dimensions | 12.5L x 6.9W x 1.8H centimeters |
| Unit Count | 1.0 Count |
A**R
Excelente producto
La tarjeta funciona perfectamente a 10 Gb
G**U
Easy install! Great expansion card!
My system already had 10Gb ethernet, but I disliked the heat from the translation between SFP+ and RJ46 so I got this so I could just use a DAC cable between my system and the switch. No issues installing, I just had to download the driver from Intel and install it manually, otherwise it worked pretty quickly without issues. Tested getting full 10-gig speeds through iperf3 no problem. 10Gtek seems to be establishing themselves well in the industry. Great cables, wonderful adapters, and now solid NICs to add to the list of items of theirs I've gotten and used. All work solid and as expected.
M**F
Plug and play
Excellent, plug and play in true nas and chineese x99 motherboard with xeon processor. Connected to udm.
C**N
Works great!
I bought 3 of these cards for a couple Synology NAS devices (DS 1618+ and DS 2419+) and my main computer, mainly for faster media transfers and an attempt to edit 4K footage direct from my NAS in real time. The price is significantly more expensive here than buying direct from 10GTek and having it ship from HK and used NICs are apparently very cheap if you look around. I installed the cards in my computer and the DS 1618+ to start with. It was a painless experience and the small form factor bracket was easy to switch on for the Synology. From a networking standpoint there are many ways you can go about it. I opted for a Mikrotik switch with 4 SFP+ ports, which made things a breeze. You can plug directly from one device into another if they both have a 10Gb NIC but you'll need to do some configuration with static IPs. With more than 2 10Gb devices you'll want to get a switch. In terms of cabling, I was only doing short distance networking (7 meters max) so I went for SFP+ DACs. You can also network with a transceiver and RJ45 if you have an existing CAT6 or newer setup, or a multimode fiber, which is good for longer distance networking. The Synology connected to the internet & LAN immediately upon being switched on - completely plug-and-play. My computer wasn't and I don't have a DVD drive so I had to try to find the drivers online. You can essentially treat this as an Intel NIC for most intents and purposes so I went to Intel's website and downloaded the Intel® Ethernet Adapter Complete Driver Pack. That was useful because it not only installed the drivers I needed to be able to connect but also gave me tools to test that the connections were working properly. I've only done one test so far but immediately saw 3-4x transfer speed improvements. Before I was seeing about 113MB/s, bottlenecked by a 1Gb connection. I saw high 300s MB/s during a file copy from my NAS to my SATA SSD, equating to about 3Gb speeds. Your bottleneck will now be the speed of an HDD array or SATA (6Gb). You can achieve even faster speeds with NVMe to NVMe transfers. Overall, definitely happy with this card so far. Seems to be completely plug-and-play for most people.
A**N
Good card, with a slight catch in Windows 11
Great card so far. Works with either fiber sfps, 10G copper sfps or with DAC cables. One caveat with Windows 11: I had to find and install the older Intel x510 drivers for it to be recognized and work. Linux (Pop OS 22.04 LTS) had the drivers and libraries available natively. As far as stability and connectivity is concerned, zero issues so far. A quick Google search found an old Redfit article with a link to the driver pack, so 10 minute fix.
Trustpilot
1 month ago
1 day ago