MELLANOX MCX4121A-ACAT ConnectX-4 EN Dual-Port 25 Gigabit Ethernet PCI-E 3.0 x8 Adapter Card

Part # 246387

Condition : New | Warranty : 90 days

Brand : Mellanox
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Specifications

  • Mfr Part Number: MCX4121A-ACAT
  • Features:
    • 1/10/25/40/50Gb/s speeds
    • Single and dual-port options
    • Erasure Coding offload
    • Virtualization
    • Low latency RDMA over Converged Ethernet (RoCE)
    • CPU offloading of transport operations
    • Application offloading
    • Mellanox PeerDirect communication acceleration
    • Hardware offloads for NVGRE, VXLAN and GENEVE encapsulated traffic
    • End-to-end QoS and congestion control
    • Hardware-based I/O virtualization
    • RoHS compliant
    • ODCC compatible
  • Data Transfer Rates: Dual-Port 25GbE Ethernet
  • Connector Type: SFP28/SFP+/SFP
  • PCI: PCIe3.0 x8
  • Enhanced Features:
    • Hardware-based reliable transport
    • Collective operations offloads
    • Vector collective operations offloads
    • PeerDirect RDMA (aka GPUDirect communication acceleration)
    • 64/66 encoding
    • Extended Reliable Connected transport (XRC)
    • Dynamically Connected transport (DCT)
    • Enhanced Atomic operations
    • Advanced memory mapping support, allowing user mode registration and remapping of memory (UMR)
    • On demand paging (ODP) - registration free RDMA memory access
  • Ethernet:
    • 50GbE / 40GbE / 25GbE / 10GbE / 1GbE
    • IEEE 802.3bj, 802.3bm 100 Gigabit Ethernet
    • 25G Ethernet Consortium 25, 50 Gigabit Ethernet
    • IEEE 802.3ba 40 Gigabit Ethernet
    • IEEE 802.3ae 10 Gigabit Ethernet
    • IEEE 802.3az Energy Efficient Ethernet
    • IEEE 802.3ap based auto-negotiation and KR startup
    • Proprietary Ethernet protocols (20/40GBASE-R2, 50GBASE-R4)
    • IEEE 802.3ad, 802.1AX Link Aggregation
    • IEEE 802.1Q, 802.1P VLAN tags and priority
    • IEEE 802.1Qaz (ETS)
    • IEEE 802.1Qbb (PFC)
    • IEEE 802.1Qbg
    • IEEE 1588v2
    • Jumbo frame support (9.6KB)
  • Storage Offloads: RAID offload - erasure coding (ReedSolomon) offload
  • Overlay Networks:
    • Stateless offloads for overlay networks and tunneling protocols
    • Hardware offload of encapsulation and decapsulation of NVGRE and VXLAN overlay networks
  • Hardware-Based I/O Virtualization:
    • Single Root IOV
    • Multi-function per port
    • Address translation and protection
    • Multiple queues per virtual machine
    • Enhanced QoS for vNICs
    • VMware NetQueue support
  • CPU Offloads:
    • RDMA over Converged Ethernet (RoCE)
    • TCP/UDP/IP stateless offload
    • LSO, LRO, checksum offload
    • RSS (can be done on encapsulated packet), TSS, VLAN insertion / stripping, Receive flow steering
    • Intelligent interrupt coalescence
  • Remote Boot:
    • Remote boot over Ethernet
    • Remote boot over iSCSI
    • PXE and UEFI
  • Protocol Support:
    • OpenMPI, IBM PE, OSU MPI (MVAPICH/2), Intel MPI
    • Platform MPI, UPC, Open SHMEM
    • TCP/UDP, MPLS, VxLAN, NVGRE, GENEVE
    • iSER, NFS RDMA, SMB Direct
    • uDAPL
  • PCI Express Interface:
    • PCIe Gen 3.0 compliant, 1.1 and 2.0 compatible
    • 2.5, 5.0, or 8.0GT/s link rate x8
    • Auto-negotiates to x8, x4, x2, or x1
    • Support for MSI/MSI-X mechanisms
  • Connectivity:
    • Interoperable with 1/10/25/40/50Gb Ethernet switches
    • Passive copper cable with ESD protection
    • Powered connectors for optical and active cable support
  • Operating System:
    • RHEL/CentOS
    • Windows
    • FreeBSD
    • VMware
    • OpenFabrics Enterprise Distribution (OFED)
    • OpenFabrics Windows Distribution (WinOF-2)
  • Dimensions: 14.2 x 6.9 cm (w/o Brackets)
  • Low Profile Design
  • Image is for Representation Only
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