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Black fully modular ATX 3.1 power supply with 140 mm fan and ribbon cables

Super Flower

Super Flower SF-850F14XG 850W ATX 3.1 power supply

SKU CH-XENB-QY5E6 MPN SF-850F14XG

A full-modular 850 W ATX 3.1 unit with 140 mm fluid-dynamic-bearing fan, 80 Plus Gold and Cybenetics Platinum efficiency, plus native 12VHPWR cables for PCIe 5.1 graphics cards

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

Options ATX 3.1 80+ Gold (850W) Black

  • 850 W delivers stable power for demanding builds
  • Full modular ribbon cables keep routing clean and flexible
  • 80 PLUS Gold with 87% 90% 87% efficiency at 20% 50% 100% load
  • Cybenetics Platinum certification shows 89% to 93% overall efficiency
  • 140 mm fluid-dynamic-bearing fan runs quietly at Cybenetics A noise level

850 W ATX 3.1 power supply

The Super Flower Leadex VII XG delivers 850 W of continuous power and is certified to the Intel ATX 3.1 standard with PCIe 5.1 readiness. It targets builders assembling high-performance desktops that demand stable output during transient load spikes. The full-modular layout uses only ribbon cables for cleaner routing. Buyers who need more than 850 W or require redundant units should look elsewhere.

Full-modular installation with native 12VHPWR

All cables detach from the unit, and the package includes a native 16-pin 12VHPWR cable built from two 8-pin connectors on the PSU side. This avoids the adapter socket that can introduce a weak mechanical joint. The 140 mm fluid-dynamic-bearing fan meets Cybenetics A noise certification. The 150 mm depth fits most mainstream cases, but compact chassis with tighter clearance may not accommodate it.

Efficiency headroom and protection limits

80 PLUS Gold rating guarantees 87 % efficiency at 20 % load, 90 % at 50 % load and 87 % at full load. Cybenetics Platinum adds 89 % to 91 % overall efficiency at 115 V input and 91 % to 93 % at 230 V input. Japanese 105 °C capacitors and a single +12 V rail maintain regulation under heavy draw. Active PFC operates across 90–264 V input. Over-voltage and overload protection shut the unit down before components are damaged.

Highlights

  • 850 W delivers stable power for demanding builds
  • Full modular ribbon cables keep routing clean and flexible
  • 80 PLUS Gold with 87% 90% 87% efficiency at 20% 50% 100% load
  • Cybenetics Platinum certification shows 89% to 93% overall efficiency
  • 140 mm fluid-dynamic-bearing fan runs quietly at Cybenetics A noise level

Specifications

BrandSuper Flower
ColorBlack
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
PSU Noise LevelCybenetics A
Over Voltage ProtectionYes
Overload ProtectionYes
Input Voltage90 - 264 V
Shipping weight2.99 kg
Package size343 × 119 × 114 mm

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Questions about this item

How do I confirm the unit is running quietly as rated?

The power supply carries a Cybenetics A noise rating, meaning the 140 mm fluid-dynamic-bearing fan stays very quiet under typical loads.

What cables come with the PSU and what must I source separately?

All cables are ribbon-style and fully modular; the box includes a native 12VHPWR cable plus two 8-pin to 16-pin adapters, so no extra GPU cables are needed.

Which efficiency rating should I rely on when choosing this 850 W model?

It holds both 80 PLUS Gold and Cybenetics Platinum certifications — 87 % at 20 % load, 90 % at 50 % load, 87 % at 100 % load per 80 PLUS, and 89–93 % overall per Cybenetics depending on input voltage.

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