0MH596 Dell 280W Power Supply for Optiplex GX520 GX620 DT 745 755
Brand: Dell · SKU: 0MH596 · MPN: 0MH596 · Category: Components
This is a genuine Dell 280W ATX Power Supply Unit (PSU) designed for various Dell OptiPlex Desktop systems. It converts AC power to usable low-voltage DC power for internal components. Compatible models include Optiplex GX280, GX520, GX620, 210L, 320, 330, 740, 745, 755, Dimension C521, 3100C, 5150C, and XPS 200/210 systems. It features a 24-Pin ATX Main Power Connector, a 4-Pin ATX +12V Power Connector, 4-Pin Molex, Floppy Drive connectors, and SATA Power connectors. Output power is 280W. Dimensions are approximately 125mm x 135mm x 100mm. Units are often sold refurbished, cleaned, and fully tested.
Specifications
| Cooling | 1 Fan |
|---|---|
| Wattage | 280W |
| Condition | Refurbished/New (varies by seller) |
| Form Factor | ATX Desktop |
| Input Voltage | 100-240V ~ / 4.2A 50-60 Hz |
| Model Number (Dell) | MH596 |
| Warranty | Varies by seller, often includes 1 Year Limited Warranty or 30 Day Returns. |
| Weight | 4.7 lb(s) |
| Dimensions | 125mm x 135mm x 100mm |
Key Features
Genuine Dell 280W Power Supply intended for Dell OptiPlex Desktop Form Factor PCs like the GX740 and GX755. It replaces multiple part numbers including MH595, RT490, NH429, and U9087. Designed for Small Desktop Cases, but not SFF or Tower.
Frequently Asked Questions
Is this product genuine OEM?
Yes, this 0MH596 Dell 280W Power Supply for Optiplex GX520 GX620 DT 745 755 (0MH596) is 100% genuine Dell hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
What warranty is included?
This 0MH596 Dell 280W Power Supply for Optiplex GX520 GX620 DT 745 755 includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
How long does shipping take?
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Can I return this product?
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.
Is the 0MH596 Dell 280W Power Supply for Optiplex GX520 GX620 DT 745 755 compatible with my system?
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the 0MH596.
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