Dell 450W PSU

Part number 45FD1 · also known as 20H8T · 450-AGNU

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Dell T440 Single, Cabled Power Supply 450W

Specifications

Works with these servers

• Dell PowerEdge R240
• Dell PowerEdge MX750c
• Dell PowerEdge R540
• Dell PowerEdge R440
• Dell PowerEdge MX740c
• Dell PowerEdge R250
• Dell PowerEdge MX840c
• Dell PowerEdge FC640

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Frequently asked questions

Why does my R440 reboot when the UPS switches to battery power?

The reboot may be due to the UPS outputting a simulated sine wave, which can cause the R440's power supply to lose sync and restart. Ensure the UPS provides a pure sine wave output and has a transfer time of less than 4 ms. Additionally, check for firmware updates for both the UPS and the R440. [community thread]

What should I do if my PowerEdge R250 won't power on after adding components?

If your server shows no signs of power, indicated by blinking LEDs, it may be experiencing a 5V SW fault. Begin troubleshooting by disconnecting all USB devices, checking for shorts in the iDRAC Direct cable and video connections, and removing the front control panel cable. If the issue persists after these steps, consider testing with minimal components or replacing the motherboard. [community thread]