HP ProDesk 490 G3 MT Hardware Reference Guide

Removing the front bezel
1. Remove/disengage any security devices that prohibit opening the computer.
2. Remove all removable media, such as compact discs or USB flash drives, from the computer.
3. Turn off the computer properly through the operating system, then turn off any external devices.
4. Disconnect the power cord from the power outlet and disconnect any external devices.
CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as
the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to
the internal components of the computer.
5. Remove the computer access panel.
6. Lift up the three tabs on the side of the bezel (1), and then rotate the bezel off the chassis (2).
8 Chapter 2 Hardware upgrades

HP ProDesk 490 G3 MT Specifications

General

Operating System	Windows 10 Pro
Form Factor	Microtower
Memory Slots	2 DIMM
Memory Type	DDR4-2133
Maximum Memory	32 GB
Weight	7.05 kg
Processor	Intel Core i5, i3
RAM	Up to 32GB DDR4
Storage	500 GB HDD
Graphics	Intel HD Graphics 530
Chipset	Intel H110 Chipset
Internal Drive Bays	1 x 3.5"
External Drive Bays	1 x 5.25"
Expansion Slots	1 PCIe x16
Ports (Front)	2 USB 3.0
Ports (Rear)	1 VGA
Audio	Realtek ALC221
Optical Drive	DVD-Writer