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1.1 Product Overview
1.1.1 Introduction
This hardware manual briefly introduces the Galaxy® HDX4 SAS to
SAS / SATA RAID subsystem. The 12-bay model comes with two (2)
6Gb/s SAS host channels and supports twelve (12) hot-swappable
6Gb/s SAS or 3Gb/s SATA hard drives in a 2U chassis. The core of
the subsystem is the RAID controller module powered by a 6th-
generation
RAID engine. By default,
each
RAID
comes
with
installed
1GB
RAM
DIMM
Each SAS channel is
capable of a 2400MB/s bandwidth. With a passive backplane,
redundant hot-swappable component design, and sophisticated
firmware, the subsystem is ideal for high availability applications.
The enclosure is designed to contain twelve (12) 3.5-inch disk drives.
Drive capacity can be expanded by attaching a maximum of six (6)
2U-profile expansion drive enclosures, adding 72 more disk drives.
Two (2) cooling modules protect the subsystem from overheating,
and two (2) hot-swappable power supply unit (PSU) modules provide
constant power to the subsystem. The modular nature of the
subsystem and the easy accessibility to all major components ensure
ease of maintenance.
ASIC667
controller
a
pre-
DDRII
module.
Galaxy HDX4 12bay RAID System
Chapter 1
Introduction
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