![](/images/backgrounds/290380/hp-compaq-elite-8300-microtower-pc-service-and-maintain-143569262x1.png)
Figure
Power Supply, External
The USDT chassis uses an external power supply.
WARNING! To reduce potential safety issues, only the power supply provided with the computer, a replacement power supply provided by HP, or a power supply purchased as an accessory from HP should be used with the computer.
250 Chapter 9 Removal and Replacement Procedures