NVIDIA ConnectX-4 based NIC PCIe 3.0 x8 Dual Port 25GbE Open SFP28

PCIe x8 NVIDIA Mellanox ConnectX-4 Dual-Port 25G SFP28 adapter with 25Gb/s Ethernet connectivity addresses virtualized infrastructure challenges for today’s demanding markets and applications. Providing true hardware based I/O isolation with unmatched scalability and efficiency, ConnectX-4 provides a cost-effective and flexible Ethernet adapter solution for Web2.0, cloud, data analytics, database, and storage platforms. It provides a combination of 25G bandwidth, sub-microsecond latency and a 75 million packets per second message rate. It includes native hardware support for RDMA over Converged Ethernet (RoCE), Ethernet stateless offload engines, Overlay Networks, GPUDirect technology and Mellanox Multi-Host Technology.

System Requirements

• Windows, RHEL/CentOS, FreeBSD, VMware, OpenFabrics Enterprise Distribution (OFED), OpenFabrics Windows Distribution (WinOF)
• An available PCI Express x8/ x16 slot

Specification

• Compliant with PCI Express Specification Revision 3.0, 2.0 and 1.1
• 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
• Supports dual-Port 25G, 10G, or 1G SFP+
• IEEE802.3by, 25G supporting all FEC modes
• IEEE802.3az Energy Efficient Ethernet 
• IEEE802.3ap based auto-negotiation and KR start-up
• Support Standards IEEE802.3ad, IEEE802.1ax, IEEE802.1Q, IEEE802.1P, IEEE802.1Qaz,  IEEE802.1Qbb, IEEE802.1Qbg, IEEE1588V2
• Jumbo frame support 9.6KB
• Independent NC-SI SMBus interface
• Independent stand-by and wake-on-Lan signals
• Hardware based reliable transport
• Collective operation offloads
• PeerDirect RDMA (aka GPUDirect communication acceleration)
• 64/66 encoding
• Extended reliable connected transport
• Dynamically connected transport
• RDMA over Converged Ethernet (RoCE)
• TCP/UDP/IP stateless offload
• LSO.LRO. checksum offload
• Hardware offload of encapsulation and decapsulation of NVGRE and VXLAN  overlay networks
• SR-IOV, Multi-function, Enhanced QoS, VMware support
• SR-IOV up to 256 virtual functions
• SR-IOV up to 8 physical functions per port
• Guaranteed QoS for VMs 
• OpenMPI, IBM PE, OSU MPI, Intel MPI protocol support
• NC-SI over MCTP over SMBus and NC-SI over MCTP over PCIe-Baseboard  Management Controller interface
• Remote boot over Ethernet, iSCSI, PXE, and UEFI