8
Rev 0.30
Mellanox Technologies
1 Overview
This document is a
User’s Manual
for Mellanox Technologies Ethernet Network Interface Cards (NICs) based on the
MT25408 ConnectX
®
EN integrated circuit device. The cards described in this manual have the following main fea-
tures:
•
IEEE 802.3ak compliant
•
Two 10GBASE-CX4 copper ports for connecting Ethernet traffic
•
PCI Express 2.0 (1.1 compatible) through an x8 edge connector up to 5GT/s
•
‘Media detect circuit’ with powered connectors supporting the use of active cables and external PHY fiber solu-
tions
•
EU Restriction of Hazardous Substances (RoHS) compliant
The cards differ in:
•
Bracket height: short or tall
•
PCI Express 2.0 with SerDes speed: 2.5 GT/s or 5.0 GT/s
1.1 Adapter Cards
Table 3 on page 8 lists the Ethernet NICs described in this manual.
Table 3 - Ethernet CX4 Network Interface Cards
Ordering Part
Number (OPN)
PCI
Express
SERDES
Speed
Data
Transmissio
n Rate
Short /
Tall
Bracket
RoHS
Compliance
Adapter IC Part
Number
NIC Photo
(1)
1. The NICs have a similar form and fit. The main visible difference is in the bracket height.
MNEH28-XSC
2.5 GT/s
PCIe
Gen1
20 + 20 Gb/s
Short
RoHS-R5
(with
exemption)
MT25408A0-FCC-SE
MNEH28-XTC
2.5 GT/s
PCIe
Gen1
Tall
MNEH29-XSC
5.0 GT/s
PCIe
Gen2
40 + 40 Gb/s
Short
RoHS-R5
(with
exemption)
MT25408A0-FCC-TE
MNEH29-XTC
5.0 GT/s
PCIe
Gen2
Tall
Short
Tall
