Specifications

General:

• Super I/O Module (SIOM) Form Factor

• Mellanox® ConnectX-4 Lx EN 25GbE controller

• Quad SFP28 connectors with speed up to 25Gbps per port

Ethernet:

• 25GbE / 10GbE

• IEEE 802.3ad, 802.1AX Link Aggregation

• IEEE 802.1Q, 802.1P VLAN tags and priority

• IEEE 1588v2

• Jumbo frame support

Enhanced Features:

• Hardware-based reliable transport

• Collective operations offloads

• Vector collective operations offloads

• 64/66 encoding

• Dynamically Connected transport (DCT)

• Enhanced Atomic operations

• Support for MSI/MSI-X mechanisms

Storage Offloads:

• Stateless offloads for overlay networks and tunneling protocols

• Hardware offload of encapsulation of NVGRE and VXLAN overlay networks

Hardware-based I/O Virtualization:

• Single Root IOV

• Multi-function per port

• Multiple queues per virtual machine

• VMware NetQueue support

Virtualization:

• SR-IOV: Up to 256 Virtual Functions

• SR-IOV: Up to 16 Physical Functions per port

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

Management Features:

• Remote boot over iSCSI

• PXE and UEFI

• NC-SI for remote management

OS Support:

• RHEL/CentOS (7.2, 7.1, 7.0, 6.8, 6.7, 6.6, 6.5, 6.2)

• Windows (2012 R2, 2012)

• FreeBSD (11)

• VMware (6.5, 5.5)

Cables Support:

• SFP28 Direct attach copper cables

• SFP28 Fiber-optic cables (with required optional transceivers)

Power Consumption:

• Maximum 20W

Operating Conditions:

• Operating temperature: 0°C to 55°C (32°F to 131°F)

• Storage temperature: -40°C to 70°C (-40°F to 158°F)

• Storage humidity: 90% non-condensing relative humidity at 35ºC

Physical Dimensions:

• Card PCB dimensions: 92mm (3.62in) x 87.1mm (3.43in) (W x D)