Specification
• General
- Mellanox® ConnectX-4 Lx EN controller
- MicroLP form factor
- PCI-E 3.0 x8 (8GT/s) interface
- Single SFP28 connector with speed up to 25Gbps per port
• Ethernet
- 25GbE / 10GbE / 1GbE
- IEEE 802.3ad, 802.1AX Link Aggregation
- IEEE 802.1Q, 802.1P VLAN tags and priority
- IEEE 1588v2
- Jumbo frame support (9.6KB)
• 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
-
RAID offload - erasure coding (Reed-Solomon) offload
• Overlay Networks:
- 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
- Direct attach twinaxial copper cables
- Fiber-optic cables (with required optional transceivers)
• Power Consumption
- AOC-C25G-m1S: Maximum 8.5W
• 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
35°C
• Physical Dimensions:
- Card PCB dimensions:
11.3cm (4.45in) x 3.9cm (1.54in) (L x H)