PS-4321-1HB-HF HP 320 Watts 5A Power Supply at discount

PS-4321-1HB-HF Specifications

HP 320W Desktop Power Supply (OEM ATX Unit)

Manufacturer: HP (Hewlett Packard Enterprise)
OEM Platform: Delta / Lite-On (PS-4321-1HB family)
Product Line: HP Elite / Compaq Business Desktop Systems
Product Type: Internal ATX Desktop Power Supply

KEY FEATURES
Power Capacity: 320W
Input Voltage: 100–240V AC (wide range)
Input Frequency: 50–60 Hz
Input Current: 5A
Form Factor: Internal ATX desktop PSU (non-hot-plug)

COMPATIBILITY
HP Compaq Elite 6000 / 6200 / 6300 series
HP Elite 8000 / 8100 / 8200 series desktops
HP Pro 3400 / 3500 Microtower systems
Other HP OEM business desktops using PS-4321-1HB platform

PERFORMANCE
Power Output: 320W continuous
Design: OEM switching ATX power supply (HP proprietary wiring in some variants)
Rail Design: Standard ATX multi-rail outputs (+12V, +5V, +3.3V, +5VSB)
Protection: Over-voltage, over-current, short-circuit protection
Cooling: Integrated internal fan
Reliability: Designed for 24/7 office and business desktop workloads

ENVIRONMENTAL
Operating Temperature: 0°C to 50°C
Storage Temperature: -20°C to 80°C
Humidity: 5% to 95% non-condensing

PHYSICAL
Form Factor: ATX internal PSU
Installation: Screw-mounted inside desktop chassis
Weight: ~1–2 kg (approx.)

SUMMARY
This is a 320W HP OEM ATX power supply (PS-4321-1HB-HF) used in HP Elite and Compaq desktop systems such as the Elite 8000 and 8200 series, designed for stable business desktop operation.