User`s manual
Overview
8
Rev 1.3
Mellanox Technologies
1 Overview
This document is a User’s Manual for Mellanox Technologies host channel adapter (HCA) cards based on the
MT 25408ץ
ConnectX
®
IB integrated circuit device. The cards described in this manual have the following main features:
• IBTA v1.2 compliant
• QSFP ports for connecting InfiniBand traffic
• Compliant with QSFP MSA spec Rev. 1.0
• Compatible with copper cable and optical cable with the use of a QSFP connector
• PCI Express 2.0 (1.1 compatible) through an x8 edge connector up to 5GT/s
• EU Restriction of Hazardous Substances (RoHS) compliant
• 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 List
Ordering Part Number
(OPN)
IB Port
Speed
On-board
Memory
Size
Short /
Tall
Bracket
HCA Card with Brackets
MHRH19-XTC
20Gb/s
(DDR)
Single
port
No Mem Tall
MHQH19-XTC
40Gb/s
(QDR)
Single
port
No Mem Tall
Figure 1: MH[RQ]H19-XTC Card










