Mellanox ConnectX-3 Dual Port 40GbE QSFP+ Server Network Card PCIe 3.0 x8, 40Gbps, RDMA, RoCE, 1µs Latency, for Data Center, HPC & Cloud

Deploy ultra-high-performance networking in your data center or HPC environment with the Mellanox ConnectX-3 Dual Port 40GbE QSFP+ Server Network Card. Featuring the Mellanox ConnectX-3 Virtual Protocol Interconnect (VPI) controller, this PCIe 3.0 x8 adapter delivers dual 40 Gigabit Ethernet ports with 1µs MPI ping latency, providing the bandwidth and low latency required for cloud computing, database clusters, parallel processing, and high-performance embedded applications.

40GbE & InfiniBand Flexibility

The ConnectX-3 supports both Ethernet and InfiniBand protocols:

1. 40 Gigabit Ethernet (IEEE 802.3ba) for high-bandwidth networking
2. InfiniBand FDR (56Gbps) for ultra-low latency HPC applications
3. Auto-negotiation for FDR-10, DDR, and SDR speeds
4. QSFP+ compatibility with copper and optical cables
5. QSA (QSFP to SFP+) adapter support for SFP+ cables

Ultra-Low Latency Performance

Engineered for performance-critical applications:

1. 1µs MPI ping latency for fast inter-node communication
2. RDMA over Converged Ethernet (RoCE) for CPU-efficient data transfers
3. GPUDirect for direct GPU-to-GPU communication
4. CORE-Direct application offload for accelerated processing