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  • Mellanox ConnectX-4 Lx EN network interface card for OCP with Host Management, 50GbE single-port QSFP28, PCIe3.0 x8

Mellanox ConnectX-4 Lx EN network interface card for OCP with Host Management, 50GbE single-port QSFP28, PCIe3.0 x8,  - Part ID: MCX4431A-GCAN

ConnectX-4 Lx EN network interface card for OCP with Host Management, 50GbE single-port QSFP28, PCIe3.0 x8, no bracket, ROHS R6

SKU:

MCX4431A-GCAN

Weight:
5 lbs
Shipping:
Ships within 3-5 Days
Price:

$651.82

$581.98

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Overview

  • Multi-Host technology
  • Connectivity to up-to 4 independent hosts
  • OCP Specification 2.0 and 0.5, as applicable
  • 10/25/40/50Gb/s speeds
  • Virtualization
  • Accelerated Switching and Packet Processing (ASAP2)
  • Low latency RDMA over Converged Ethernet
  • Hardware offloads for NVGRE and VXLAN encapsulated traffic
  • CPU offloading of transport operations
  • Application offloading
  • Mellanox PeerDirect™ communication acceleration
  • End-to-end QoS and congestion control
  • Hardware-based I/O virtualization
  • Erasure Coding offload
  • RoHS-R6

Technical Specification

SPECIFICATIONS
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 10/25/40/50Gb Ethernet switches
  • Passive copper cable with ESD protection
  • Powered connectors for optical and active cable support
OPERATING SYSTEMS/DISTRIBUTIONS
  • RHEL/CentOS
  • Windows FreeBSD
  • VMware
  • OpenFabrics Enterprise Distribution (OFED)
  • OpenFabrics Windows Distribution (WinOF-2)
ETHERNET
  • 50GbE / 40GbE / 25GbE / 10GbE
  • 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)
MULTI-HOST
  • Up to 4 separate PCIe interfaces to 4 independent hosts
  • Two PCIe x4 to two hosts or four PCIe x4 to four hosts or four PCIe x2 to four hosts
  • Independent NC-SI SMBus interfaces
  • Independent stand-by and wake-on-LAN signals
STORAGE OFFLOADS
  • RAID offload - erasure coding (Reed-Solomon) offload
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
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 (SR-IOV)
  • Multi-function per port
  • Address translation and protection
  • Multiple queues per virtual machine
  • Enhanced QoS for vNICs
  • VMware NetQueue support
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
VIRTUALIZATION
  • SR-IOV: Up to 256 Virtual Functions
  • SR-IOV: Up to 16 Physical Functions per port
  • Virtualization hierarchies (e.g., NPAR and Multi-Host)
    -    Virtualizing Physical Functions on a physical port
    -    SR-IOV on every Physical Function
  • 1K ingress and egress QoS levels
  • Guaranteed QoS for VMs CPU
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
MANAGEMENT AND CONTROL INTERFACES
  • NC-SI, MCTP over SMBus and MCTP over PCIe
  • Baseboard Management Controller interface
  • SDN management interface for managing the eSwitch
  • I²C interface for device control and configuration
  • General Purpose I/O pins
  • SPI interface to Flash
  • JTAG IEEE 1149.1 and IEEE 1149.6

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