25G SFP28 Ethernet LAN PCIe 3.0 x8 Network Controller Card with Mellanox ConnectX-4 Chipset

25G SFP28 PCIe Gen 3.0 network card with a Mellanox ConnectX-4 controller. It features hardware acceleration for RDMA over Converged Ethernet (RoCE), PeerDirect/GPUDirect, TCP/UDP/IP stateless offload, and SR-IOV virtualization.

Compatibility:

PCIe PCI Express 3.0 x8 port, backward compatible with PCIe 2.0 and 1.1.

Supports Windows 7, 8, 8.1, and 10 (32-bit and 64-bit), Windows Server 2008, 2012, 2016, and 2019, FreeBSD, Linux 5.x and later, VMware ESXi 5.5, 6.0, 6.5, and 6.7.

Network standards: IEEE 802.3by, IEEE 802.3az, IEEE 802.3ap, IEEE 802.3ad, and IEEE 802.1AX.

VLAN/QoS standards: IEEE 802.1Q, IEEE 802.1P, IEEE 802.1Qaz, IEEE 802.1Qbb, and IEEE 802.1Qbg.

Synchronization: IEEE 1588v2.

Technical Specifications:

Mellanox ConnectX-4 network controller.

PCI Express Gen3 x8 host interface (compatible with x8, x4, x2, or x1 ports).

PCIe bus bandwidth: 2.5 GT/s, 5 GT/s, or 8 GT/s per lane.

Network connectivity: 1 SFP28 port, maximum throughput 25GbE.

Supported Ethernet speeds: 1GbE, 10GbE, and 25GbE.

Supported network interfaces: 25G SFP+, 25G DAC, 25G AOC, 10G SFP+, 10G DAC, 10G AOC, and 1G SFP.

Fiber interfaces: 25GBASE-SR, 25GBASE-LR, 10GBASE-SR, and 10GBASE-LR.

Network encoding: 64/66.

Latency less than one microsecond; processes up to 75 million packets per second.

Supports RDMA over Converged Ethernet (RoCE).

PeerDirect RDMA / GPUDirect accelerates direct communications with compatible devices.

Hardware transport protocols: Extended Reliable Connected Transport (ERC) and Dynamically Connected Transport (DCT).

Network offload: TCP, UDP, and IP stateless offload.

Acceleration features: LSO, LRO, and checksum offload.

Overlay networks: hardware acceleration of NVGRE and VXLAN encapsulation and decapsulation.

SR-IOV virtualization: up to 256 virtual functions.

SR-IOV physical functions: up to 8 physical functions per port.

Network virtualization: VXLAN, GENEVE, NVGRE, and iSER.

QoS management: Enhanced QoS and Guaranteed QoS for virtual machines.

MPI protocols: OpenMPI, IBM PE, OSU MPI, and Intel MPI.

NC-SI management interface: SMBus-independent.

NC-SI BMC management over MCTP via SMBus and PCIe.

Wake-on-LAN: independent network standby and wake-up signals.

Jumbo frames up to 9.6 KB.

Support for IPv4 and IPv6.

PXE and UEFI network boot, Ethernet and iSCSI remote boot.

Operating temperature: 0°C to 55°C.

Standard mounting bracket installed; low-profile mounting bracket included.