{"product_id":"mcx4121a-acut","title":"Mellanox ConnectX-4 Lx MCX4121A-ACUT Dual-Port 25GbE Adapter","description":"\u003cp\u003e[shortdesc]2x 25GbE SFP28 ports, 25\/10\/1GbE support, PCIe 3.0 x8, UEFI enabled, RoCE support, SR-IOV virtualization[\/shortdesc]\u003c\/p\u003e\n\n\u003cp\u003e[properties]\u003c\/p\u003e\n\n\u003ctable style=\"border-collapse: collapse; width: 512px;\" width=\"512\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\"\u003e\n\n\u003ccolgroup\u003e \u003ccol style=\"width: 172px;\" width=\"172\"\u003e \u003ccol style=\"width: 340px;\" width=\"340\"\u003e \u003c\/colgroup\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMellanox\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMCX4121A-ACUT\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eEthernet Adapter Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eConnectX-4 Lx EN\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003ePCIe HHL\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePort Count\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eInterface Type\u003c\/td\u003e\n\u003ctd\u003eSFP28\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eMaximum Network Speed\u003c\/td\u003e\n\u003ctd\u003e25GbE\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSupported Ethernet Speeds\u003c\/td\u003e\n\u003ctd\u003e25GbE, 10GbE, 1GbE\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eHost Interface\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x8\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eAdditional Feature\u003c\/td\u003e\n\u003ctd\u003eUEFI Enabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e14.2 cm x 6.9 cm without bracket\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\u003cp\u003e[\/properties]\u003c\/p\u003e\n\n\u003cp\u003e[specifications]\u003c\/p\u003e\n\n\u003ctable style=\"border-collapse: collapse; width: 512px;\" width=\"512\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\"\u003e\n\n\u003ccolgroup\u003e \u003ccol style=\"width: 172px;\" width=\"172\"\u003e \u003ccol style=\"width: 340px;\" width=\"340\"\u003e \u003c\/colgroup\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePCIe Compatibility\u003c\/td\u003e\n\u003ctd\u003ePCIe Gen 3.0 compliant; PCIe 1.1 and 2.0 compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePCIe Link Rate\u003c\/td\u003e\n\u003ctd\u003e2.5, 5.0, or 8.0 GT\/s x8\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePCIe Lane Negotiation\u003c\/td\u003e\n\u003ctd\u003ex8, x4, x2, or x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eRDMA\u003c\/td\u003e\n\u003ctd\u003eRDMA over Converged Ethernet (RoCE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eVirtualization\u003c\/td\u003e\n\u003ctd\u003eSR-IOV; up to 256 Virtual Functions; up to 8 Physical Functions per port\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eJumbo Frame Support\u003c\/td\u003e\n\u003ctd\u003e9.6KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCPU Offloads\u003c\/td\u003e\n\u003ctd\u003eTCP\/UDP\/IP stateless offload; LSO; LRO; checksum offload; RSS; TSS; VLAN insertion\/stripping; receive flow steering\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eOverlay Network Offloads\u003c\/td\u003e\n\u003ctd\u003eHardware encapsulation and decapsulation offload for NVGRE and VXLAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd\u003eTCP\/UDP, MPLS, VxLAN, NVGRE, GENEVE, iSER, NFS RDMA, SMB Direct, uDAPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eEthernet Standards\u003c\/td\u003e\n\u003ctd\u003eIEEE 802.3ba; IEEE 802.3ae; IEEE 802.3az; IEEE 802.3ap; IEEE 802.3ad; IEEE 802.1AX; IEEE 802.1Q; IEEE 802.1P; IEEE 802.1Qaz; IEEE 802.1Qbb; IEEE 802.1Qbg; IEEE 1588v2\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eRemote Boot\u003c\/td\u003e\n\u003ctd\u003eRemote boot over Ethernet; remote boot over iSCSI; PXE; UEFI\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eOperating System Support\u003c\/td\u003e\n\u003ctd\u003eRHEL\/CentOS, Windows, FreeBSD, VMware, OpenFabrics Enterprise Distribution (OFED), OpenFabrics Windows Distribution (WinOF-2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eRoHS compliant; ODCC compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\u003cp\u003e[\/specifications]\u003c\/p\u003e\n\n\u003cp\u003e[accesories]\u003c\/p\u003e\n\n\u003ctable style=\"border-collapse: collapse; width: 512px;\" width=\"512\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\"\u003e\n\n\u003ccolgroup\u003e \u003ccol style=\"width: 172px;\" width=\"172\"\u003e \u003ccol style=\"width: 340px;\" width=\"340\"\u003e \u003c\/colgroup\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eTall bracket mounted; short bracket included as an accessory\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\u003cp\u003e[\/accesories]\u003c\/p\u003e\n\n\u003ch2\u003e25GbE Connectivity for Virtualized and Data-Intensive Servers\u003c\/h2\u003e\n\n\u003cp\u003eThe Mellanox ConnectX-4 Lx MCX4121A-ACUT is a dual-port Ethernet adapter designed for server, cloud, analytics, database, and storage environments requiring high-speed network connectivity. This PCIe HHL adapter provides two SFP28 ports with support for 25GbE, 10GbE, and 1GbE speeds through a PCIe 3.0 x8 host interface.\u003c\/p\u003e\n\n\u003cp\u003eConnectX-4 Lx EN technology combines high-bandwidth Ethernet with hardware acceleration features for virtualized and data-intensive infrastructure. Native RDMA over Converged Ethernet support enables low-latency networking, while hardware offloads for NVGRE, VXLAN, and GENEVE help reduce host CPU processing for overlay network traffic. The MCX4121A-ACUT configuration is also specified with UEFI enabled.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits and Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eDual SFP28 ports supporting 25GbE, 10GbE, and 1GbE connectivity\u003c\/li\u003e\n\u003cli\u003ePCIe 3.0 x8 host interface with support for PCIe 1.1 and 2.0 compatibility\u003c\/li\u003e\n\u003cli\u003eLow-latency RDMA over Converged Ethernet support\u003c\/li\u003e\n\u003cli\u003eHardware offloads for NVGRE, VXLAN, and GENEVE encapsulated traffic\u003c\/li\u003e\n\u003cli\u003eHardware-based I\/O virtualization with SR-IOV support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eCloud and virtualized server infrastructure\u003c\/li\u003e\n\u003cli\u003eData analytics and database platforms\u003c\/li\u003e\n\u003cli\u003eHigh-performance storage networking\u003c\/li\u003e\n\u003cli\u003eOverlay network environments using VXLAN or NVGRE\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUpgrade Server Networking with the Mellanox MCX4121A-ACUT\u003c\/h2\u003e\n\n\u003cp\u003eChoose the MCX4121A-ACUT for systems requiring dual-port 25GbE SFP28 connectivity, PCIe 3.0 x8 bandwidth, UEFI support, and hardware acceleration for virtualized and high-performance Ethernet workloads.\u003c\/p\u003e","brand":"Mellanox","offers":[{"title":"Default Title","offer_id":50319142617191,"sku":"MCX4121A-ACUT-NEW","price":96.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2388\/1557\/files\/images_3.jpg?v=1790260011","url":"https:\/\/networkdevicesinc.com\/products\/mcx4121a-acut","provider":"Network Devices Inc.","version":"1.0","type":"link"}