The Chieftec EON ZPU-500S is a reliable 550W ATX power supply designed for everyday desktop builds. Built to the ATX 2.3 standard and finished in a clean black finish, this unit delivers stable and efficient power for a wide range of PC configurations. With a non-modular cable setup and a compact depth of 140mm, it fits neatly into most standard ATX cases without taking up unnecessary space.
Stable Power Delivery and Efficiency
The ZPU-500S carries an 80 PLUS Standard certification, reflecting a solid level of energy efficiency during operation. It provides a combined output of 444W on the +12V rail, with a maximum current of 37A, making it well suited for mid-range processors and graphics cards. The +3.3V and +5V rails each deliver up to 100W combined, with a power factor of 0.9 and active Power Factor Correction (PFC) ensuring consistent and clean power output. Built-in power protection features add an extra layer of safety for your components.
Connectivity and Cooling
The ZPU-500S comes with a practical selection of connectors to support a variety of hardware configurations. It includes two 4+4 pin CPU connectors, two 6+2 pin PCI Express connectors for graphics cards, four SATA power connectors, and two Molex connectors. An EPS power connector is also included for added compatibility. Cooling is handled by an active 120mm fan, which keeps temperatures in check while maintaining reasonable noise levels during typical use.
Product number manufacturer:
ZPU-500S
Certificates
Connectivity
CPU power connector (4+4 pins):
2 x
PCI Express power connectors (6+2 pin):
2 x
Cooling
Energy management
Max output current (+12V1):
37 A
Max output current (+3.3V):
20 A
Max output current (+5V):
20 A
Max output current (+5Vsb):
2.5 A
Max output current (-12V):
0.4 A
Power Factor Correction (PFC) type:
Physical characteristics
Technical details
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