Main Specifications
Device Type Ethernet Controller
Dimensions (WxDxH) Card PCB dimensions: 92mm (3.62in) x 87.1mm (3.43in) (W x D)
Form Factor Super I/O Module (SIOM)
Networking
Ethernet 25GbE / 10GbE, IEEE 802.3ad, 802.1AX Link Aggregation, IEEE 802.1Q, 802.1P VLAN tags and priority, IEEE 1588v2, Jumbo frame support
Connectivity Technology Wired
Data Transfer Rate 25Gbps
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
Port Quantity Quad SFP28 connectors with speed up to 25Gbps per port
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
Power
Consumption Operational Maximum 20W
Environmental Parameters
Operating Temperature 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 35°C
Software / System Requirements
OS Supports 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)
Miscellaneous
Features SR-IOV for virtualization, Low latency RDMA over Converged Ethernet (RoCE), Jumbo Frames support, NC-SI for Remote Management, Asset Management Features with thermal sensor
  Supermicro Super I/O Module (SIOM) Form Factor, Mellanox® ConnectX-4 Lx EN 25GbE controller, Quad SFP28 connectors, Hardware offloads for NVGRE, VXLAN and GENEVE encapsulated traffic
Cables Support SFP28 Direct attach copper cables, SFP28 Fiber-optic cables (with required optional transceivers)
ROHS

RoHS Compliant 6/6