High Capacity Expansion Unit - Hitachi AMS 2100 Hardware Manual

High capacity expansion unit

The Hitachi High-density Expansion Unit (Model RKAKX) contains from 4 to
48 SATA disk drives, four redundant power supplies, and four ENC control
units (cards). The control units manage the drives and are also used to
connect the expansion unit to the base unit and to other expansion units.
See Scalability on page 1-15
detailed information about the number and type of disk drives that can be
installed in an expansion unit.
Figure 1-6
density expansion unit. The front bezel has been removed in this photo.
Expanded views are shown in
Figure 1-6: High Capacity Expansion Unit Front and Rear Views
1–10
shows the front (above) and rear (below) views of the high-
Introduction
Hitachi AMS 2100/2300 Storage System Hardware Guide
and Disk drive configurations
Chapter 4, Hardware
in Chapter 4 for
components.