C&N
C&N M.2 (M Key) to 10GbE SFP+ Network Card
Bottom line: The C&N M.2 to 10GbE SFP+ Network Card is a specs-and-price decision rather than a crowd-consensus one in the retro networking cards category, priced around $39.99 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Support M.2 NVMe（PCIe Gen 2.0x4）the M.2 SATA interface is not supported
- ✓ Backed by C&N's warranty and support channels
Cons
- ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
SpecPicks Verdict
SpecPicks scored C&N M.2 to 10GbE SFP+ Network Card using a rating × review-volume × price-fit model applied to published specs and reviews across the retro networking cards category. C&N's retro networking cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for retro networking cards 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Adopting Intel 82599EN Chipset, it provides up to 10 Gbps of extreme speed to ensure the stability of Internet access and local data transmission, effectively preventing packet loss and making the server more stable
- Single SFP+ port let you connect to 10 Gigabit SFP+ module/DAC/AOC for meeting the demands of data center environments. PCI-E X4 Lane is suitable for PCI-E X4， PCI-E X8 and PCI-E X16 slots.
- Compatible with Windows 7/8.1/10/11,Windows Sever 2012/2012R2/2016/2019/2022,Microsoft Windows * (32 & 64 bit), SC0 UnixWare* 7.x , Open Unix* 8.0 , Novell ODI*, Novell Netware*, SUSE Linux Enterprise Server* 9.0 , Red Hat Enterprise Linux* 4.0 , Linux*, FreeBSD* , Sun Solaris* Microsoft DoS*, VMWare ESX*
- Support M.2 NVMe（PCIe Gen 2.0x4）the M.2 SATA interface is not supported
- Complies with the 10 Gb/s and 1 Gb/s Ethernet/802.3ap (KX/KX4/KR) ,10 Gb/s Ethernet/802.3ae (XAUI), 1000BASE-BX ,IEEE 802.3x 100BASE-TX
Full Specifications
| Brand | C&N |
|---|---|
| Model Number | ST7433-X520 |
| Compatibility | Linux |
| Built-In Media | 1 x CD Driver, 1 x Low profile bracket 1 x FPC Cable, 1 x M.2 2280 converter card, 1 x User’s Manual, 1 x X520-DA1 network card |
| Number of Items | 1 |
| Number of Packs | 1 |
| Compatible Devices | Desktop |
| Data Link Protocol | 10GBASE-KX4,1000BASE-BX,10GBASE-CX4,10GBASE-KR, 10GBASE-BX4,, Fast Ethernet, Gigabit Ethernet, IEEE802.3ae,IEEE802.3ak,IEEE802.3ap,IEEE1588v2 |
| Data Transfer Rate | 10 Gigabits Per Second |
| Hardware Interface | Ethernet, PCI Express 3.0 |
| Warranty Description | 1 year |
| Full listing title | M.2 (M Key) to 10GbE SFP+ Network Card, Single SFP+ Port with Intel 82599 chip,10 Gigabit Ethernet Card NIC for Windows, Linux, UEFI |
Ready to buy?
M.2 (M Key) to 10GbE SFP+ Network Card, Single SFP+ Port with Intel 82599 chip,10 Gigabit Ethernet Card NIC for Windows, Linux, UEFI is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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