Air duct

Aids in the cooling of the DIMMS and CPUs.

Air filter

Cleans air before entering system.

Battery

Lithium coin-cell battery that powers the CMOS BIOS and real-time clock.

CPU

The processor that carries out the instructions of the system.

DIMMs

Add or replace memory to the system.

Drives

2.5-inch SAS solid-state or hard-disk drives

Fan tray 0

Contains three fans for cooling the motherboard assembly.

Fan tray 1

Contains two fans for cooling media bay assembly components.

Fan tray 2

Single fan for cooling DIMMs.

LED board

Contains the push-button circuitry and LEDs that are displayed on the bezel of the box.

Media bay assembly

Bay that houses the drives and optical media drive.

M otherboard assembly

Provides connectors for the DIMMs, CPUs, PCIe2 risers, and other components.

Optical media drive

Optical media drive allows you to read optical media like CDs and DVDs.

PCI mezzanine

Houses and connects the top PCIe2 cards.

PCIe2 cards

Optional add-on cards that can expand the functionality of the server.

PCIe2 risers

Houses and connects the bottom PCIe2 cards.

Power distribution board (PDB)

Provides the main 12V power interconnect between the power supplies and the other boards.

Power supply unit (PSU)

Two concurrent maintenance DC or AC powered power supplies.

SAS controller HBA

SAS controller HBA manages the internal drives and optional external storage devices.

Top Cover

Covers the top of the server and contains service labels that provide quick reference information for removing components. The top cover requires a pen to remove, and it does not power off the server when removed.