403985-001 Specifications
HP 240 W ATX Power Supply Unit
Manufacturer: HP
Manufacturer Model: 403985-001
Product Line: HP Desktop Power Supplies
Product Series: 240 W ATX SFF Series for HP Compaq DC-series desktops
Product Type: Internal Power Supply Unit (PSU)
Product Name: HP 403985-001 240 W ATX Power Supply
KEY FEATURES:
Power Output: 240 Watts (Maximum)
Input Voltage Range: 100–240 V AC, 50–60 Hz
Form Factor: Small Form Factor (SFF) desktop PSU for HP business desktops
PERFORMANCE:
+3.33 V: ~15 A
+5.08 V: ~17 A
+12 V rail: ~7.5 A
−12 V rail: ~0.15 A
AC Input: ~3.5 A (at 100–240 V)
ENVIRONMENTAL & RELIABILITY:
Supports global input range of 100–240 V AC (suitable for regions with ~230 V mains)
Designed for continuous use in business desktop environments
PHYSICAL:
Form Factor: Internal SFF desktop ATX PSU
Typical Dimensions: ~160 mm × 96 mm × 140 mm
Cooling: Single internal fan, non-modular cabling
COMPATIBILITY NOTES:
Used commonly in the HP Compaq DC5100, DC7100, DC7600, DC7700 series Small Form Factor desktops
When replacing, ensure the SFF chassis has matching cable lengths, connectors and mounting due to OEM design
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