be quiet! Pure Power 11 FM 750 W Review


Introduction

We would like to thank be quiet! for supplying the review sample.

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The be quiet! Pure Power 11 FM (Fully Modular) line lists three models of different capacities: 550 W, 650 W, and 750 W. I will take a look at the strongest member of the line to check on how it fares against the competition in the 750 W Gold category, including the new Corsair RM750x (2021) with the Magnetic Levitation fan, Cooler Master V750, MWE Gold 750, and the XPG Core Reactor 750. A strong competitor is also the Seasonic GX-750, but I don’t have 230 V data for this model.

According to be quiet!, all Pure Power 11 FM models operate quietly. Thanks to the fully modular cable, installation and cable management will be easier than with the semi-modular and non-modular Pure Power 11 models. For the new Pure Power 11 FM line, be quiet! cooperated with CWT and used a new platform. The Pure Power 11 and Pure Power 11 CM units are based on FSP platforms that are not as capable.

The 750 W fully modular Pure Power unit is fully compliant with the ATX12V v2.52 specification. Hence, it’s highly efficiency under incredibly light loads and compatible with Alternative Sleep Mode. The maximum operating temperature for continuous full-power delivery is set to 40°C, and a quality SilentWings fan measuring 120 mm across handles cooling.

Specifications

be quiet! Pure Power 11 FM 750W
Features & Specifications
Max. DC Output750 W
PFCActive PFC
Efficiency80 PLUS Gold, Cybenetics Gold (89%–91%)
NoiseCybenetics A (20–25 dB[A])
ModularYes (fully)
Intel C6/C7 Power State SupportYes
Operating Temperature0–40 °C
ProtectionsOver Voltage Protection
Under Voltage Protection
Over Power Protection
Over Temperature Protection
Over Current Protection
Short Circuit Protection
Cooling120mm rifle bearing fan (BQ QF2-12025-MS)
Semi-passive OperationNo
Dimensions (W x H x D)150 x 85 x 160 mm
Weight1.63 kg (3.59 lb)
ComplianceATX12V v2.53, and EPS 2.92
Warranty5 years
Price at Time of Review (excl. VAT)No information available
be quiet! Pure Power 11 FM 750W
Power Specifications
Rail3.3 V5 V12 V112 V25 VSB-12 V
Maximum Power20 A20 A36 A32 A3 A0.3 A
120 W750 W15 W3.6 W
Total Maximum Power750 W
be quiet! Pure Power 11 FM 750W
Power Distribution
12V1ATX, PCIe1, PCIe2, Peripheral
12V2EPS, PCIe3, PCIe4

Normally, 12V2 would be stronger since it has both EPS and two PCIe connectors.



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