Chieftec Atmos CPX-750FC
 | Outdated Product The high-performance 750W power supply unit from the advanced Chieftec Atmos series is designed in accordance with the Intel ATX 3.0 standard and supports PCI-E 5.0. Thanks to the 80 PLUS Gold certification, the device provides up to 90% efficiency, thereby helping to reduce energy consumption and heat emission while maintaining high system performance. The ATMOS technical architecture uses modern topology (SRC Full-bridge converter and DC-to-DC conversion), and the circuitry is based on the use of Japanese capacitors, which guarantee durability and stability of the power supply even under heavy loads. The cooling of components is managed by a 120-mm fan with a hydrodynamic bearing, which ensures quiet system operation and high longevity. The ECO semi-passive cooling mode...allows the fan to be completely turned off under low loads, ensuring the power supply operates silently under minimal load conditions. The modular cable system allows for flexible device connection, simplifying component assembly and future PC upgrades. Additionally, the Chieftec Atmos CPX-850FC is equipped with a wide range of protective features, including Over Voltage Protection (OVP), Over Temperature Protection (OTP), Short Circuit Protection (SCP), and Over Current Protection (OCP). The official manufacturer warranty is 5 years. |
 |
Chieftec Atmos CPX-750FC 750 W 850 W | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The high-performance 750W power supply unit from the advanced Chieftec Atmos series is designed in accordance with the Intel ATX 3.0 standard and supports PCI-E 5.0. Thanks to the 80 PLUS Gold certification, the device provides up to 90% efficiency, thereby helping to reduce energy consumption and heat emission while maintaining high system performance. The ATMOS technical architecture uses modern topology (SRC Full-bridge converter and DC-to-DC conversion), and the circuitry is based on the use of Japanese capacitors, which guarantee durability and stability of the power supply even under heavy loads.
The cooling of components is managed by a 120-mm fan with a hydrodynamic bearing, which ensures quiet system operation and high longevity. The ECO semi-passive cooling mode allows the fan to be completely turned off under low loads, ensuring the power supply operates silently under minimal load conditions. The modular cable system allows for flexible device connection, simplifying component assembly and future PC upgrades. Additionally, the Chieftec Atmos CPX-850FC is equipped with a wide range of protective features, including Over Voltage Protection (OVP), Over Temperature Protection (OTP), Short Circuit Protection (SCP), and Over Current Protection (OCP). The official manufacturer warranty is 5 years.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Chieftec 2026 - new arrivals, bestsellers, and the most relevant models Chieftec.
1 1 0 2 |
Bought at the end of 2024 for this setup: Ryzen 7 7700 + RX6800XT (I chose this power supply to have some room for future system upgrades in a few years). I was happy with the previous 500 or 550W unit from this brand - no issues for 7-8 years of operation. I went through a lot of reviews, tests. Everything seemed fine. Worked in ECO mode - quietly, all good. But in January 2026, I heard a pop while gaming and everything went dark. Took the PC to repair - the power supply was dead =( And the warranty was only for a year... Quiet operation, modularity Worked for a year and one or two months  Ivan Lis: use Chieftec CPX-850FC more than year |
Chose this power supply after watching a bunch of reviews. I was looking for one with a PCIe 5.0 (12VHPWR) connector. No complaints about its performance. It works quietly and there are no foreign noises. The only thing is that when turning it off, at the very end, there's a not-so-pleasant click, but it doesn't affect the performance. I've been using it for a year. Well-known brand, Japanese capacitors, eco mode available Without showing up Vasil: use Chieftec CPX-850FC more than year |
Very quiet Not found Igor: |
High-quality power supply with 80+ Gold certification and ATX 3.0 support
The Chieftec Atmos CPX-750FC is a powerful 750W power supply unit that is ideal for gaming PCs and workstations that require high reliability and performance. It complies with the ATX 3.0 standard and can withstand peak loads of up to 200% of its rated power, which is especially important for modern graphics cards with a PCI-E 5.0 interface. The 80+ Gold certification ensures a high level of energy efficiency of up to 90%, which helps reduce heat generation and power consumption.
Modern topology
The power supply uses the SRC Full-bridge topology with DC-DC converters, which ensures stable power supply with minimal voltage fluctuations, even under high load. The quality and durability of the device are ensured by high-quality Japanese Nippon Chemi-Con capacitors. Power management is carried out by the APW7159C controller, and the IN1S429I-DCG microcircuit is responsible for safety, providing protection against overvoltage (OVP), overheating (OTP), short circuit (SCP) and excess current (OCP).
Quiet and efficient cooling system with ECO mode
Cooling is provided by a 120mm Hong Hua fan with a fluid-dynamic bearing, which is characterized by low noise and a long service life. The fan supports a semi-passive ECO mode, which allows you to maintain a low temperature of the power supply even under a long-term load of more than 80%. The model is equipped with modular cables, a wide range of protective functions and an official 5-year warranty. Such a set with a reasonable price makes the Chieftec Atmos CPX-750FC an excellent choice in its class.