The Ark Technologies KY-ATX 500 is a 500 W ATX12V switching power supply engineered for standard ATX desktop computer systems. It delivers multiple regulated DC voltage rails and supports dual-voltage AC input, enabling operation across 50 Hz and 60 Hz power grids. The unit incorporates a thermal management fan and occupies a compact footprint of 140.0 mm × 150.0 mm × 86.0 mm, weighing 1800 g.
## Technical Specifications
**Electrical Performance**
• AC Input: 115 VAC @ 5 A, 60 Hz | 230 VAC @ 2.5 A, 50 Hz
• DC Output Rails: +3.3V, +5V, +12V, -5V, -12V, +5Vsb (standby)
• Maximum Power: 500 W
**Connectors**
• 24-Pin ATX (20+4 pin compatible)
• 4-Pin 12V (ATX12V / P4)
• SATA I
• Floppy Drive Connector
• Molex (LP4)
• Mini-Power (SP4)
**Physical & Environmental**
• Dimensions: 140.0 mm L × 150.0 mm W × 86.0 mm H
• Weight: 1800 g
• Operating Temperature: 0°C to 40°C
• Storage Temperature: -20°C to 80°C
• Humidity: 10% to 90% RH (non-condensing)
## Key Features
• Dual-voltage AC input supports international grid standards
• Backward-compatible 20+4 pin ATX connector accommodates legacy motherboards
• Integrated thermal management via fan
• Complete rail configuration including negative voltage outputs for legacy circuitry support
## Typical Applications
The KY-ATX 500 suits standard desktop platforms requiring mid-range power delivery, including systems with P4 processors and compatible architecture generations.
## Compatibility & Integration
The unit meets ATX and ATX P4 form factor specifications. The 20+4 pin connector enables installation in both 20-pin and 24-pin motherboard configurations. Complete connector library—including SATA I, floppy, Molex, and Mini-Power—supports mixed peripheral loading across modern and legacy device interfaces.
