User manual
OverviewRev 1.7
Mellanox Technologies
10
1 Overview
This document is a User Manual for Mellanox Technologies Ethernet cards based on the Con-
nectX®-3 EN integrated circuit device. The cards described in this manual have the following
main features:
• IEEE Std. 802.3 compliant
• PCI Express 3.0 (1.1 and 2.0 compatible) through an x8 edge connector up to 8GT/s
• Single and Dual-port options available
- ESD protection on the network connector
• Compliant with QSFP+ MSA spec Rev. 1.0
• Compatible with copper cables and optical cables with the use of QSFP connectors. Support for
SFP+ cables is available through QSA (Quad to Serial)
• RDMA over Converged Ethernet (RoCE)
• End-to-end QoS and congestion control
• Hardware-based I/O virtualization
• TCP/UDP/IP stateless off-load
• RoHS-R6 compliant
• Two bracket heights: short and tall
1.1 Supported Network Protocol Standards
1.1.1 10 and 40 Gigabit Ethernet
10 and 40 Gigabit Ethernet are Ethernet network protocol standards for LANs specifying data
transfer rates of 10 and 40Gb/s, respectively. Mellanox adapters comply with the following IEEE
802.3* standards:
• IEEE Std 802.3-2008 Ethernet
• IEEE Std 802.3ae 10 Gigabit Ethernet
• IEEE Std 802.3ba 40 Gigabit Ethernet
• IEEE Std 802.3ad Link Aggregation and Failover










