Intel® Ethernet SFP+ SR Optics and Intel® Ethernet SFP+ LR Optics are the only 10-Gbps optical modules supported. Is the CX341A SFP+ 10G network card a viable replacement for the Intel X520? Yes, it offers better power efficiency and thermal performance, but requires proper driver installation and configuration for full compatibility. Disclaimer: This content is provided by third-party contributors or. Cipafilter models (CF350, CF450) that support SFP/SFP+ modules: H61XX, I61XX, J81XX, and the M81XX series. The information in this article is sourced directly from Intel. A generic, direct attach twinaxial cable, can be found here. What SFP+ and SFP modules are. I was planning to get a Mellanox ConnectX-3 dual port 10G SFP+ to replace my Intel X520, from what I know it should be CX312, however what I get doesn't look like the usual CX312 (I don't think those retail card has a metal casing like mine), after inserting to my DS1621+, I used lspci to check. NOTE: THIS HARDWARE, SOFTWARE OR TEST SUITE PRODUCT (“PRODUCT(S)”) AND ITS RELATED DOCUMENTATION ARE PROVIDED BY MELLANOX TECHNOLOGIES “AS-IS” WITH ALL FAULTS OF ANY KIND AND SOLELY FOR THE PURPOSE OF AIDING THE CUSTOMER IN TESTING APPLICATIONS THAT USE THE PRODUCTS IN DESIGNATED SOLUTIONS. THE. Full-size immersion plate, 5V module on the front, does not occupy space on the back after installation, baffle screw hole reserves adjustment space, laser cut 304 stainless steel baffle. X520 OCP interface NIC is supported, and other brands are not supported. CX341 all. All Business Entities, Corporations, Public & Private School Systems, Governmental Organizations, Colleges, Universities & Libraries are welcome to submit purchase orders. Upgrade your network with CX341A Mellanox Connect-3 10Gb/s PCI-Express Mezzanine Adapter NIC.