User`s guide

2-11
1 Power supply unit
2 CPU duct cover
2-1 Top cover (To be removed when a water-cooling heat sink is installed.)
2-2 Water-cooling heat sink (See Chapter 9 for installation procedure.)
3 Front cooling fan unit (factory-installed)
4 Redundant cooling fan unit (Option A)
The redundant fan unit contains three fans; Option A (front), Option B (PCI/HDD cage), and
Option A (rear).
5 5.25-inch device bays (3 slots)
Up to two devices can be installed additionally. An optical disk drive is factory-installed.
6 HDD cage slot
Used to install an optional HDD cage.
7 3.5-inch hard disk drive bay
Up to four hard disk drives can be installed.
8 Redundant cooling fan unit (Option B)
9 Motherboard
10 Rear cooling fan unit (factory-installed)
11 Redundant cooling fan unit (Option A)