Overview
8
Rev 1.2
Mellanox Technologies
1 Overview
This document is a
User’s Manual
for Mellanox Technologies host channel adapter (HCA) Cards based on the
MT25408 ConnectX
®
IB integrated circuit device. The cards described in this manual have the following main fea-
tures:
•
IBTA v1.2 compliant
•
Two 4X InfiniBand CX4 copper ports for connecting InfiniBand traffic (4X IB connectors)
•
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
•
SDR/DDR/QDR: IB10Gb/s (SDR) or 20Gb/s (DDR) or 40Gb/s (DDR)
•
Two bracket heights: short or tall
1.1 Adapter Cards
•
Table 3 lists the InfiniBand HCA cards described in this manual.
Table 3 - HCA Cards
Ordering Part
Number (OPN)
PCI
Express
SERDES
Speed
IB SDR
/ DDR
Short /
Tall
Bracket
RoHS
Complian
ce
HCA IC
Part Number
HCA Card Photo
(1)
1. The HCA cards have a similar form and fit. The main visible difference is in the bracket height.
MHEH28-XSC
2.5 GT/s
SDR
Short
RoHS-R5
(with
exemp-
tion)
MT25408A0-FCC-
SI
MHEH28-XTC
2.5 GT/s
Tall
MHGH28-XSC
2.5 GT/s
DDR
Short
RoHS-R5
(with
exemp-
tion)
MT25408A0-FCC-
DI
MHGH28-XTC
2.5 GT/s
Tall
MHGH29-XSC
5.0 GT/s
DDR
Tall
RoHS-R5
(with
exemp-
tion)
MT25408A0-FCC-
GI
MHGH29-XSC
5.0 GT/s
Tall
MHJH29-XSC
5.0 GT/s
QDR
Tall
RoHS-R5
(with
exemp-
tion)
MT25408A0-FCC-
JI
MHJH29-XTC
5.0 GT/s
Tall
Tall
Bracket
(-XTC)
Short
Bracket
(-XSC)
Figure 1: HCA Card