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Main image of Mellanox ConnectX-3 VPI Dual-Port QSFP+ 40/56GbE NIC, PCIe 3.0 x8 Ethernet & InfiniBand Adapter with Full Hardware Offload and RoCE RDMA Support

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Mellanox ConnectX-3 VPI Dual-Port QSFP+ 40/56GbE NIC, PCIe 3.0 x8 Ethernet & InfiniBand Adapter with Full Hardware Offload and RoCE RDMA Support

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VPI dual-protocol design, dual QSFP+ ports auto switch between 40/56GbE Ethernet and FDR InfiniBand, compatible with QSFP+ DAC copper and fiber optical transceivers
PCIe 3.0 x8 (8GT/s) bus, backward compatible with PCIe 2.0/1.1, sufficient bandwidth for storage cluster and virtualization aggregation deployment
Complete hardware offload: TCP/UDP checksum, TSO/LSO, VXLAN tunnel offload plus RoCE v1/v2 RDMA, drastically cuts host CPU consumption under high load
SR-IOV virtualization, jumbo frame up to 9KB, PXE remote boot; equipped with full-height & low-profile dual brackets for various server chassis
Broad OS compatibility: Windows Server, all mainstream Linux distros, VMware ESXi, FreeBSD; ideal for HPC, NAS, soft routing and low-latency trading servers

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This Mellanox ConnectX-3 VPI dual-port QSFP+ enterprise NIC integrates dual Ethernet/InfiniBand interconnect in one single card. Two open QSFP+ slots support flexible cabling configuration for short-distance DAC cables or long-reach fiber modules, each port auto negotiates 10/40/56G transmission rate to match existing switch infrastructure. Powered by PCIe3.0 x8 high-speed bus to eliminate bandwidth bottleneck during massive data replication and inter-server transmission.

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First Listed on Newegg	June 04, 2026

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Item#: 9SIB3ENKY64058