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Black rectangular ATX power supply unit with 140 mm fan grille and modular cable sockets

Super Flower

Super Flower Leadex III PE Platinum 850W power supply

SKU CH-5VYF-8F536 MPN 850W

An ATX 3.1 compatible 850 W unit with full modular cabling, a 140 mm fluid dynamic bearing fan, Cybenetics Platinum efficiency and comprehensive protection circuits

  • TypeATX 3.1 Compatible
  • Maximum Power850 W
  • Fans1 x 140 mm
  • PFCActive
  • Main Connector20+4Pin
  • +12V RailsSingle

Energy-Efficient Platinum

  • Gold
  • Platinum

Struck-through versions exist but are not stocked here.

Watts 850W

Struck-through versions exist but are not stocked here.

  • Cybenetics Platinum certified efficiency above 90% reduces energy waste
  • ATX 3.1 and PCIe 5.1 compliant for modern GPU power spikes
  • 140 mm fluid dynamic bearing fan with semi-fanless mode for quiet operation
  • Full modular braided cables simplify cable management and airflow
  • Comprehensive protection suite includes OVP, OCP, OPP, SCP, UVP, OTP, NLO, SIP

Purpose and audience

This 850 W ATX 3.1 power supply targets builders who need reliable delivery for modern GPUs and CPUs. Full modular cabling and a 140 mm fluid-dynamic-bearing fan keep the interior tidy and quiet.

Deciding specification

Cybenetics Platinum certification confirms efficiency above 90 percent across the load range. The single +12 V rail and full protection suite handle transient spikes without tripping.

Fit and alternatives

Suits compact chassis limited to 150 mm PSU length and systems that demand ATX 3.1 plus PCIe 5.1 readiness. Builders needing higher wattage or a different efficiency tier should consider other models.

Highlights

  • Cybenetics Platinum certified efficiency above 90% reduces energy waste
  • ATX 3.1 and PCIe 5.1 compliant for modern GPU power spikes
  • 140 mm fluid dynamic bearing fan with semi-fanless mode for quiet operation
  • Full modular braided cables simplify cable management and airflow
  • Comprehensive protection suite includes OVP, OCP, OPP, SCP, UVP, OTP, NLO, SIP

Specifications

BrandSuper Flower
SeriesLeadex III ATX 3.1
Model850W
TypeATX 3.1 Compatible
Maximum Power850 W
Fans1 x 140 mm
PFCActive
Main Connector20+4Pin
+12V RailsSingle
SLISLI Ready
Haswell SupportReady
CrossFireCrossFire Ready
Max PSU Length150 mm
ModularFull Modular
Efficiency> 90%
Energy-EfficientCybenetics Platinum
Over Voltage ProtectionYes
Overload ProtectionYes
ProtectionOVP / OCP / OPP / SCP / UVP / OTP / NLO / SIP
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz

Other versions of this model

1 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How does the 850 W rating hold up when the supply is installed in a working PC?

The 850 W figure is the maximum continuous output the unit can deliver across all rails combined, so a system drawing up to that level will stay within the supply's rated capacity.

What does ATX 3.1 compliance actually limit on this power supply?

ATX 3.1 compliance means the unit meets the current specification for power-excursion handling and includes the 12VHPWR connector required by the standard.

Will the 150 mm length fit in a standard ATX case?

At 150 mm long the power supply matches the typical ATX form-factor depth, so it fits most mid-tower and larger cases that accept standard ATX units.

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