Chieftronic SteelPower 750 W Review 1

Chieftronic SteelPower 750 W Review

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We would like to thank Chieftronic for supplying the review sample.

In August, Chieftronic announced the release of their new SteelPower PSU series available in capacities of 550 W, 650 W, and 750 W. 140 mm deep, these are compact, and according to official specifications, cooling is handled by a 120 mm fluid dynamic bearing fan. My sample had a DBB fan, though. In this review, the strongest of these, the SteelPower 750 W, will get to enjoy my Chroma's electronic loads.

Besides compact dimensions and relatively high power density, the SteelPower 750 is fully modular and 80 PLUS Bronze rated, and it achieves Silver efficiency on the Cybenetics scale. It meets the Cybenetics Standard+ requirements for noise output, which places its noise output into the 35–40 dBA range. The high power density and platform efficiency don't leave much room for a more relaxed fan-speed profile. With a larger chassis able to accommodate a 140 mm fan, noise output could be lower.


Chieftronic SteelPower 750W
Features & Specifications
Max. DC Output750 W
Efficiency80 PLUS Bronze, Cybenetics Silver (87–89%)
NoiseCybenetics Standard+ (35–40 dBA)
ModularYes (fully)
Intel C6/C7 Power State SupportYes
Operating Temperature0–50 °C
ProtectionsOver Voltage Protection
Under Voltage Protection
Over Power Protection
Over Temperature Protection
Over Current Protection
Short Circuit Protection
Cooling120mm double ball bearing fan (HA1225H12B-Z)
Semi-Passive OperationNo
Dimensions (W x H x D)150 x 85 x 140 mm
Weight1.29 kg (2.84 lb.)
ComplianceATX12V v2.52, EPS 2.92
Warranty5 years
Price at Time of Review (excl. VAT)€99.90
Chieftronic SteelPower 750W
Power Specifications
Rail3.3 V5 V12 V5 VSB-12 V
Max. Power20 A20 A62.5 A2.5 A0.3 A
120 W750 W12.5 W3.6 W
Total Max. Power750 W
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