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MELLANOX ConnectX-4 VPI MCX456A-ECAT Dual-Port QSFP Low Profile PCI-E 3.0 x16 Adapter Card

Package: RETAIL
Ma Labs List#: 75101
Ma Labs SKU#: MC-X456AEC
Mfr#: MCX456A-ECAT
Special Order: Non-cancellable!
Mfr Warranty: 1 YEAR


  • Mfr Part Number: MCX456A-ECAT
  • Features:
    • EDR 100Gb/s InfiniBand or 100Gb/s Ethernet per port
    • 1/10/20/25/40/50/56/100Gb/s speeds
    • 150M messages/second
    • Single and dual-port options available
    • Erasure Coding offload
    • Accelerated Switching and Packet Processing (ASAP2)
    • T10-DIF Signature Handover
    • Virtual Protocol Interconnect (VPI)
    • Power8 CAPI support
    • CPU offloading of transport operations
    • Application offloading
    • Mellanox PeerDirect communication acceleration
    • Hardware offloads for NVGRE and VXLAN encapsulated traffic
    • End-to-end QoS and congestion control
    • Hardware-based I/O virtualization
    • Ethernet Encapsulation (EoIB)
    • RoHS-R6
  • VPI Ports: Dual EDR IB 100Gb/s and 100GbE
  • Connectors: QSFP
  • InfiniBand:
    • 2 ports EDR / FDR / QDR / DDR / SDR
    • IBTA Specification 1.3 Compliant
    • RDMA, Send/Receive semantics
    • Hardware-based congestion control
    • Atomic operations
    • 16 million I/O channels
    • 256 to 4Kbyte MTU, 2Gbyte messages
    • 8 virtual lanes + VL15
  • Enhanced Features:
    • Hardware-based reliable transport
    • Collective operations offloads
    • Vector collective operations offloads
    • Mellanox 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:
    • 100GbE / 56GbE / 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, 50/56GBASE-R4)
    • IEEE 802.3ad, 802.1AX Link Aggregation
    • IEEE 802.1Q, 802.1P VLAN tags and priority IEEE 802.1Qau (QCN) - Congestion Notification
    • IEEE 802.1Qaz (ETS)
    • IEEE 802.1Qbb (PFC)
    • IEEE 802.1Qbg
    • IEEE 1588v2
    • Jumbo frame support (9.6KB)
  • Storage Offloads:
    • RAID offload - erasure coding (Reed-Solomon) offload
    • T10 DIF - Signature handover operation at wire speed, for ingress and egress traffic
  • 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, HDS, VLAN insertion / stripping, Receive flow steering
    • Intelligent interrupt coalescence
  • Remote Boot:
    • Remote boot over InfiniBand
    • Remote boot over Ethernet
    • Remote boot over iSCSI
    • PXE and UEFI
  • Protocol Support:
    • Open MPI, IBM PE, OSU MPI (MVAPICH/2), Intel MPI
    • Platform MPI, UPC, Mellanox SHMEM
    • TCP/UDP, EoIB, IPoIB, SDP, RDS, MPLS, VxLAN, NVGRE, GENEVE
    • SRP, 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 x16
    • Auto-negotiates to x16, x8, x4, x2, or x1
    • Support for MSI/MSI-X mechanisms
    • Coherent Accelerator Processor Interface (CAPI)
  • Connectivity:
    • Interoperable with InfiniBand or 1/10/25/40/50/100Gb Ethernet switches
    • Passive copper cable with ESD protection
    • Powered connectors for optical and active cable support
  • Operating System:
    • RHEL/CentOS
    • Windows
    • FreeBSD
    • VMwave
    • OpenFabrics Enterprise Distribution (OFED)
    • OpenFabrics Windows Distribution (WinOF)
  • Dimensions: 14.2 x 6.9 cm (w/o Brackets)
  • Low Profile Design
  • Image is for Representation Only