{"product_id":"mellanox-nvidia-cx456a-connectx-4-dual-port-qsfp28-100gbe-edr-infiniband-vpi-pcie-3-0-x16-network-interface-card-nic-mcx456a-ecat","title":"Mellanox NVIDIA CX456A ConnectX-4 Dual Port QSFP28 100GbE EDR InfiniBand VPI PCIe 3.0 x16 Network Interface Card (NIC) MCX456A-ECAT","description":"\u003cp\u003e\u003c!--StartFragment--\u003e\u003cmeta content=\"text\/html; charset=us-ascii\" http-equiv=\"Content-Type\"\u003e\n\u003cstyle type=\"text\/css\"\u003ea {\n    text-decoration: none;\n    color: #464feb;\n}\ntr th, tr td {\n    border: 1px solid #e6e6e6;\n}\ntr th {\n    background-color: #f5f5f5;\n}\n\u003c\/style\u003e\n\u003c\/p\u003e\n\n\u003ch1 style=\"text-align: justify;\"\u003eMellanox NVIDIA CX456A ConnectX-4 Dual Port QSFP28 100GbE EDR InfiniBand VPI PCIe 3.0 x16 Network Interface Card (NIC) MCX456A-ECAT\u003c\/h1\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eAccelerate your high-performance networking environment with the \u003cstrong\u003eMellanox NVIDIA ConnectX-4 VPI MCX456A-ECAT\u003c\/strong\u003e, a dual-port \u003cstrong\u003e100GbE Ethernet and EDR InfiniBand adapter\u003c\/strong\u003e engineered for modern data centers, HPC clusters, AI infrastructures, cloud computing platforms, and storage networks. Built on NVIDIA Mellanox's advanced \u003cstrong\u003eVirtual Protocol Interconnect (VPI)\u003c\/strong\u003e architecture, this enterprise-class adapter enables each QSFP28 port to operate as either \u003cstrong\u003e100GbE Ethernet\u003c\/strong\u003e or \u003cstrong\u003e100Gb\/s EDR InfiniBand\u003c\/strong\u003e, delivering exceptional flexibility for demanding workloads.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eFeaturing a \u003cstrong\u003ePCIe 3.0 x16 interface\u003c\/strong\u003e and two high-speed QSFP28 ports, the MCX456A-ECAT provides up to \u003cstrong\u003e200Gb\/s aggregate throughput\u003c\/strong\u003e, ultra-low latency, and advanced hardware acceleration technologies. Support for \u003cstrong\u003eRoCE v1\/v2, native InfiniBand RDMA, SR-IOV, VXLAN, NVGRE, GENEVE, and hardware offload engines\u003c\/strong\u003e helps reduce CPU overhead while maximizing application performance.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eWhether you're building an AI cluster, deploying NVMe over Fabrics storage, or upgrading a 100GbE network backbone, the ConnectX-4 VPI delivers the performance and scalability required by next-generation computing environments.\u003c\/p\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eMellanox NVIDIA ConnectX-4 VPI Controller\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eModel: \u003cstrong\u003eMCX456A-ECAT\u003c\/strong\u003e\n\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eDual-Port QSFP28 Connectivity\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSupports 100GbE Ethernet and EDR InfiniBand\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003ePCI Express 3.0 x16 Interface\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eUp to 100Gb\/s Per Port\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eUp to 200Gb\/s Aggregate Bandwidth\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eVPI Technology for Ethernet or InfiniBand Deployment\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eRoCE v1 \u0026amp; RoCE v2 Support\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eNative InfiniBand RDMA Acceleration\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSR-IOV Virtualization Support\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eVXLAN, NVGRE \u0026amp; GENEVE Offloads\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHardware Erasure Coding Acceleration\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eOptimized for HPC, AI, and Enterprise Storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e NVIDIA Mellanox\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MCX456A-ECAT\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eController:\u003c\/strong\u003e ConnectX-4 VPI\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e PCIe 3.0 x16\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003ePorts:\u003c\/strong\u003e 2 x QSFP28\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eMaximum Speed:\u003c\/strong\u003e 100Gb\/s Per Port\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eAggregate Throughput:\u003c\/strong\u003e 200Gb\/s\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eProtocol Support:\u003c\/strong\u003e Ethernet \u0026amp; InfiniBand\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e Low Profile PCIe Adapter\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 16.7W Typical, Up to 24.3W Maximum\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eBracket:\u003c\/strong\u003e Full Height (Typically Included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eSupported Network Protocols\u003c\/h2\u003e\n\n\u003ch3 style=\"text-align: justify;\"\u003eInfiniBand\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eEDR 100Gb\/s\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eFDR 56Gb\/s\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eQDR 40Gb\/s\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eDDR\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSDR\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eNative RDMA\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eCore-Direct Technology\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHardware Congestion Control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"text-align: justify;\"\u003eEthernet\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e100GBASE-CR4\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e100GBASE-SR4\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e100GBASE-LR4\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e56GBASE-R4\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e40GBASE-CR4\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e40GBASE-SR4\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e40GBASE-LR4\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e25GBASE-CR\/SR\/LR\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e10GBASE-SR\/LR\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e1000BASE-X\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eServer Compatibility\u003c\/h2\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eCompatible with servers featuring an available \u003cstrong\u003ePCIe 3.0 x16 slot\u003c\/strong\u003e, including:\u003c\/p\u003e\n\n\u003ch3 style=\"text-align: justify;\"\u003eDell PowerEdge\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eR640\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eR740\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eR740xd\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eR750\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eR760\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eOther PCIe x16 capable PowerEdge systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"text-align: justify;\"\u003eHPE ProLiant\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eDL360\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eDL380\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eGen9, Gen10, and Gen11 platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"text-align: justify;\"\u003eLenovo ThinkSystem\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSR630\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSR650\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSR650 V2\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSR630 V2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"text-align: justify;\"\u003eSupermicro\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eUltra Series\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eTwin Family\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSuperServer Platforms\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eGPU and HPC Servers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This is a standard PCIe adapter and is \u003cstrong\u003enot compatible\u003c\/strong\u003e with OCP mezzanine slots, Dell rNDC slots, or proprietary network daughter card interfaces.\u003c\/p\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eSupported Cables \u0026amp; Optics\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eQSFP28 DAC Cables\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eQSFP28 Active Optical Cables (AOC)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e100G QSFP28 SR4 Modules\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e100G QSFP28 LR4 Modules\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eMellanox Quantum InfiniBand Switches\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eNVIDIA Spectrum Ethernet Switches\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eCisco, Arista, Juniper, and Dell 100GbE Switches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eOperating System Compatibility\u003c\/h2\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eSupported across major enterprise platforms:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eMicrosoft Windows Server 2019 \u0026amp; 2022\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eVMware ESXi 7.x \u0026amp; 8.x\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eRed Hat Enterprise Linux (RHEL)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eRocky Linux\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eAlmaLinux\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eUbuntu Server LTS\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eDebian Linux\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSUSE Linux Enterprise Server (SLES)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eIdeal Applications\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHigh-Performance Computing (HPC)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eArtificial Intelligence \u0026amp; Machine Learning\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eGPU Clusters\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eNVMe over Fabrics (NVMe-oF)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eEnterprise Storage Networks\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eInfiniBand Fabrics\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eCloud Computing Platforms\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eData Center Aggregation\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eVirtualized Infrastructure\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e100GbE Ethernet Deployments\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Mellanox","offers":[{"title":"Default Title","offer_id":55898229506121,"sku":"MCX456A-ECAT","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/3868\/3209\/files\/5b8f1124-75e5-573e-80d3-28d4aadcde24.png?v=1786852525","url":"https:\/\/parts.theserverstore.com\/products\/mellanox-nvidia-cx456a-connectx-4-dual-port-qsfp28-100gbe-edr-infiniband-vpi-pcie-3-0-x16-network-interface-card-nic-mcx456a-ecat","provider":"The Server Store Parts","version":"1.0","type":"link"}