{"product_id":"mellanox-nvidia-cx4431a-connectx-4-lx-en-single-port-qsfp28-50gbe-ocp-2-0-mezzanine-network-interface-card-nic-mcx4431a-gcan","title":"Mellanox NVIDIA CX4431A ConnectX-4 Lx EN Single Port QSFP28 50GbE OCP 2.0 Mezzanine Network Interface Card (NIC) MCX4431A-GCAN","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 CX4431A ConnectX-4 Lx EN Single Port QSFP28 50GbE OCP 2.0 Mezzanine Network Interface Card (NIC) MCX4431A-GCAN\u003c\/h1\u003e\n\n\u003cp style=\"text-align: justify;\"\u003ePower your OCP-based data center infrastructure with the \u003cstrong\u003eMellanox NVIDIA ConnectX-4 Lx EN MCX4431A-GCAN\u003c\/strong\u003e, a high-performance \u003cstrong\u003e50GbE Ethernet Network Interface Card\u003c\/strong\u003e built specifically for \u003cstrong\u003eOCP 2.0 Type 1 mezzanine environments\u003c\/strong\u003e. Designed for hyperscale, cloud, and enterprise deployments, this single-port QSFP28 adapter delivers low-latency networking, advanced virtualization capabilities, and intelligent hardware acceleration to maximize application performance and network efficiency.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eFeaturing the proven \u003cstrong\u003eConnectX-4 Lx Ethernet controller\u003c\/strong\u003e, the MCX4431A-GCAN supports \u003cstrong\u003e50GbE connectivity\u003c\/strong\u003e while remaining compatible with 40GbE, 25GbE, 10GbE, and 1GbE Ethernet environments through supported transceivers and breakout configurations. Advanced offload technologies including \u003cstrong\u003eRoCE v1\/v2, SR-IOV, VXLAN, NVGRE, GENEVE, and Erasure Coding acceleration\u003c\/strong\u003e help reduce CPU overhead and improve performance for virtualization, storage, and cloud workloads.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eUnlike standard PCIe expansion cards, this adapter utilizes an \u003cstrong\u003eOCP 2.0 Type 1 mezzanine form factor\u003c\/strong\u003e, making it ideal for compatible hyperscale servers, Open Compute Project platforms, and custom cloud infrastructure deployments.\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 Lx EN Controller\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eModel: \u003cstrong\u003eMCX4431A-GCAN\u003c\/strong\u003e\n\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSingle-Port \u003cstrong\u003eQSFP28 50GbE Ethernet\u003c\/strong\u003e\n\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eOCP 2.0 Type 1 Mezzanine Form Factor\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003ePCIe 3.0 x8 Interface\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSupports 50GbE, 40GbE, 25GbE, 10GbE, and 1GbE Ethernet\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eRoCE v1 \u0026amp; RoCE v2 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 Offload Engines\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eMulti-Host Technology Support\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHardware Erasure Coding Acceleration\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHost Management Capability Enabled\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eOptimized for NVMe-oF, iSCSI, and iSER Environments\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 MCX4431A-GCAN\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eController:\u003c\/strong\u003e ConnectX-4 Lx EN\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e OCP 2.0 Type 1 Mezzanine\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e PCIe 3.0 x8\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eNetwork Port:\u003c\/strong\u003e 1 x QSFP28\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eMaximum Throughput:\u003c\/strong\u003e 50GbE\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eNetwork Type:\u003c\/strong\u003e Ethernet Only\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eHost Management:\u003c\/strong\u003e Supported\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e\n\u003cstrong\u003eMaximum QSFP28 Port Power:\u003c\/strong\u003e 3.5W\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eCompatible Platforms\u003c\/h2\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eThe MCX4431A-GCAN is designed specifically for servers featuring an \u003cstrong\u003eOCP 2.0 Type 1 mezzanine slot\u003c\/strong\u003e, including:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eOCP-Compliant Cloud Servers\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eQuanta QCT Systems\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eWiwynn Server Platforms\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eZT Systems Infrastructure\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eInspur OCP Nodes\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSelect Dell PowerEdge Cloud and C-Series Deployments\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eOpen Rack and Hyperscale Data Center Platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"text-align: justify;\"\u003eNot Compatible With\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eStandard PCIe x8 or x16 Slots\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eDell rNDC Network Daughter Card Slots\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHPE FlexibleLOM Interfaces\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eOCP 3.0 SFF\/TSFF Slots\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eStandard Tower and Workstation PCs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eSupported Cables \u0026amp; Transceivers\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;\"\u003e50GbE QSFP28 Optical Modules\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e40GbE QSFP+ Transceivers\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e100G-to-2x50G Breakout Cables\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e40G-to-4x10G Breakout Solutions\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 and cloud operating systems:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eVMware ESXi 7.x and 8.x\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eMicrosoft Windows Server 2016 \/ 2019 \/ 2022\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;\"\u003eCentOS\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSUSE Linux Enterprise Server (SLES)\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\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;\"\u003eHyperscale Data Centers\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eOpen Compute Project (OCP) Deployments\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eCloud Computing Platforms\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eVirtualized Infrastructure\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHigh-Performance Storage Networks\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;\"\u003eSoftware-Defined Networking\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eEnterprise Ethernet Fabrics\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eAI and High-Density Compute Clusters\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Mellanox","offers":[{"title":"Default Title","offer_id":55898165411913,"sku":"MCX4431A-GCAN","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/3868\/3209\/files\/fcdc6909-715a-5bce-a980-54a21b7d86b9.png?v=1786850876","url":"https:\/\/parts.theserverstore.com\/products\/mellanox-nvidia-cx4431a-connectx-4-lx-en-single-port-qsfp28-50gbe-ocp-2-0-mezzanine-network-interface-card-nic-mcx4431a-gcan","provider":"The Server Store Parts","version":"1.0","type":"link"}