for Mellanox ConnectX4 25Gb Ethernet Server Adapter, PCIe 3.0 X4, 1*SFP28 Ports, RDMA, 25/10 / 1 Gbps, 25Gigabit NIC Support Windows Server/Windows/Ubuntu/Linux

Contoller: ConnectX-4. Integrated high-performance network processor, capable of efficiently processing data packets, reducing CPU power consumption, and supporting advanced features such as RoCEv2 (RDMA over Converged Ethernet), achieving ultra-low latency and high-througH-Put data transmission.
Multi-rate flexibility: Supports 1Gbps, 10Gbps, and 25Gbps speeds, which can be automatically negotiated or manually configured according to network conditions and requirements, compatible with existing 10G devices while laying a foundation for future network upgrades.
Cost-effectiveness and High Device Compatibility: With superior performance and Optimized version, perfectly suitable for home NAS and small businesses to build 25G networks. PCIe X4 greatly enhances device compatibility, supporting X4/X8/X16 lanes.
Connection: With SFP28 DAC / AOC and Module+ Fiber cable connection options, Users can make the optimal choice based on transmission distance and cost. Supports standard PCIe 3.0, compatible with mainstream servers and workstations
More advanced features supported: SR-IOV, DPDKiSCSIJumbo FramesFCoERDMARoCE v1, RoCE V2