Brand: Dell · SKU: NH493 · MPN: NH493 · Category: Components
Dell NH493 305-Watt Non-Redundant Power Supply for OptiPlex 330/740, designed for desktop PCs. It delivers 305 watts of consistent, regulated power output. It features active cooling with a single internal fan for dependable airflow and thermal control. It is described as a genuine Dell enterprise component manufactured to high-quality standards and subjected to rigorous testing. Some listings suggest compatibility with OptiPlex 320, 360, 745, 745C, 755, and PowerEdge T100/T105 servers.
| Form Factor | Desktop PC |
|---|---|
| Cooling Type | Active Fan (1 Fan) |
| Package Type | OEM |
| Input Voltage | 100-240V AC |
| Input Frequency | 50-60 Hz |
| Max. Output Power | 305 Watts |
| Redundant Support | No |
| Compliance Standards | CE |
| Warranty | Varies by seller; one source mentioned 90-Day, 6-Months, or 1-Year options, while another mentioned a 2-Year warranty. |
| Weight | 8 lb |
| Dimensions | N/A |
The NH493 is a 305W non-redundant power supply unit manufactured by Dell, primarily for desktop systems like the OptiPlex 330 and 740, as well as some PowerEdge servers.
Yes, this NH493 Dell 305 Watts 100-240V AC 50-60Hz Power Supply (NH493) is 100% genuine Dell hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This NH493 Dell 305 Watts 100-240V AC 50-60Hz Power Supply includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the NH493.