Dell 0RT490 | 280W Power Supply for OptiPlex GX 320, 520, 620, 740, 745, 755, Dimension C521

Technical Specifications:
1. Input Voltage: AC 100-240V
2. Output Voltage: +12VA, +12VB, +3.3V, +5V, +5VFP, -12V
3. Power Capacity: 280 Watts
4. Cooling System: Single fan
5. Compatibility: OptiPlex GX 320, 520, 620, 740, 745, 755, Dimension C521
6. Connectors: 1x 24-pin ATX mainboard power, 1x 4-pin ATX12V power, 1x SATA power connector, 1x 4-pin Molex power connector, 1x floppy power connector
7. Efficiency: 80 Plus Bronze Certified
8. Dimensions (WxDxH): 3.9 in x 5.9 in x 1.5 in
9. Weight: 2.3 lbs
10. Overvoltage protection, undervoltage protection, overcurrent protection, short-circuit protection
11. MTBF (Mean Time Between Failures): 100,000 hours
12. Operating Temperature: 0°C to 50°C

Helpful Notes:
1. This power supply is a genuine Dell product and is designed specifically for the listed OptiPlex and Dimension models.
2. The 80 Plus Bronze certification ensures high efficiency and lower power consumption, resulting in lower energy bills.
3. The power supply features multiple protection mechanisms to safeguard your system components from damage due to power fluctuations.