10Gtek 10Gb PCI-E NIC Network Card, Dual SFP+ Port, with Intel 82599ES Controller, PCI Express Ethernet LAN Adapter Support Windows Server/Linux/VMware, Compare to Intel X520-DA2(E10G42BTDA)
As an Amazon Associate, SpecPicks earns from qualifying purchases.
*Price sourced from Amazon.com. Price and availability subject to change.
Bottom line: The 10Gtek 10Gb PCI-E NIC Network Card, Dual SFP+ Port, with Intel 82599ES Controller, PCI Express Ethernet LAN Adapter Support Windows Server/Linux/VMware, Compare to Intel X520-DA2(E10G42BTDA) is a niche pick — read recent reviews before buying in the networking category, priced around $51.99. Compare close alternatives before committing.
SpecPicks Verdict
SpecPicks scored 10Gtek 10Gb PCI-E NIC Network Card, Dual SFP+ Port, with Intel… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the networking category. 10Gtek's networking lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.
Common buyer scenarios for networking of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by 10Gtek's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Compatible with Windows Server 2003/ 2008/ 2012, Windows7/8/10*/Visa, Linux, ESX/ESXi*. Storage over Ethernet: iSCSI, FCoE, NFS. (Only by setting up Win10 driver correctly the NIC can work on Win11! See the main picture for more detail of installation.)
- Equipped with high quality original Intel 82599ES controller which supports I/O virtualization and make the servers more stable.
- Supports 10G, not support 1G/2.5G/5G; Dual SFP+ ports let you connect to 10 Gigabit SFP+ module/DAC/AOC for meeting the demands of data center environments. PCI-E X8 Lane is suitable for both PCI-E X8 and PCI-E X16 slots.
- With profile bracket and additional low profile bracket that makes it easy to install the card in a small form factor/low profile computer case/server.NOT support hot swaping.
- What You Get: 10GbE PCI-E X8 Card X520-10G-2S x1, Low-profile Bracket x1, 30 Days Free-returned, 3 Year Warranty and Lifetime Technology Support. PS: Due to the particularity in QNAP/Synology, for QNAP/Synology users, pls contact us before purchase.
Full Specifications
| Brand | 10Gtek |
|---|---|
| Color | X520-10G-2S(2xSFP+) |
| Weight | 10g |
| Model Number | X520-DA2(Intel-1pc)(UK) |
| Compatibility | Linux |
| Mfr Part Number | 10Gtek X520-DA2 |
| Number of Items | 1 |
| Compatible Devices | Server, Desktop |
| Data Link Protocol | Ethernet |
| Data Transfer Rate | 10 gigabytes_per_second |
| Hardware Interface | PCIE x 8 |
| Item Dimensions L x W x H | 10.35"L x 6.42"W x 2.17"H |
Ready to buy?
10Gtek 10Gb PCI-E NIC Network Card, Dual SFP+ Port, with Intel 82599ES Controller, PCI Express Ethernet LAN Adapter Support Windows Server/Linux/VMware, Compare to Intel X520-DA2(E10G42BTDA) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
View Current Price on Amazon →
*Price sourced from Amazon.com. Price and availability subject to change.
Related Networking
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
- How to Build a Windows 98 Retro PC in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Apple Sues OpenAI Over Alleged Trade-Secret Theft: What It Means
- Best Webcam for Streaming and Video Calls Under $200 (2026)
- Ex-Sega Engineer's 'Super Realistic' CRT Emulator — What It Means for Retro Mini-Consoles
- Reve 2.0 Debuts at #2 for Text-to-Image: Can You Run Local Image Gen on an RTX 3060?
- Raspberry Pi Zero 2 W Powers a Privacy-First Ring-Camera Alternative
- Best Controller for Retro Emulation on PC: 8BitDo, GameSir, DualSense
- CompactFlash Boot Drive for Windows 98 Retro PC: The 2026 Transcend CF133 Recipe
- Best GPU for Local LLMs Under $400 in 2026
- GPT-5.6 Deleted User Files With Full Disk Access, OpenAI Says It Shouldn't Have
- Modern CRT Monitor for Retro Gaming: The 2025 Reality Check
- In Brief: Best Buy Cuts $1,000 Off RTX 5070 OLED Gaming Laptop with Core Ultra 9 275HX
- GLM-5.2 vs DeepSeek V4 on a 12GB RTX 3060: Which Open-Weights Model Wins?
- Is the RTX 5050 Really as Bad as Everyone Says?
- Intel Core Ultra 7 270K Plus: Dual-Channel Memory Scaling Tested
- Running Gemma 4 31B Finetunes Locally: Dual RTX 3060 12GB vs Single 24GB Card
- CompactFlash as a Retro PC Boot Drive: The 2026 CF-to-IDE Build Guide
- On-Device AI Keyboards: What a Sub-2GB LLM Needs to Run Local
- Asus ROG Xreal R1 Brings 240 Hz to AR Glasses — What PC Gamers Should Know
- Ryzen 7 5800X vs 5700X vs 5600G for a Budget Local-LLM Rig
- Best Beginner Racing Wheel 2026: Logitech G29 vs HORI FFB
- Raspberry Pi 5 IOMMU Driver Lands for the Mainline Linux Kernel
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 3090
- Best CPU Cooler for AM5 Overclocking: Noctua NH-U12S vs Cooler Master ML240L
- Sony Will End Physical PlayStation Disc Production in 2028
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090