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Black fully modular ATX power supply, 125 mm long with 120 mm fan

Super Flower

Super Flower Leadex VIII Platinum PRO 1000W ATX 3.1 power supply

SKU CH-7K72-GKVMK

A 1000 W ATX 3.1 power supply measuring 125 mm long with Cybenetics Platinum efficiency and a native 12V-2x6 cable

  • Max wattage1000 W
  • Modular cablingFull Modular
  • Fan configuration1 × 120 mm
  • Power factor correctionActive
  • Main power connector20+4Pin
  • 12V railsSingle

Model ATX 3.1 Platinum 1000W Black

  • Compact 125 mm length fits tight builds while delivering 1000 W
  • ATX 3.1 and PCIe 5.1 native 12V-2x6 cable ready for modern GPUs
  • Full modular ribbon cables simplify routing and improve airflow
  • Cybenetics Platinum certification confirms high efficiency across loads
  • 120 mm fluid dynamic bearing fan runs quietly under heavy load

Compact 1000W ATX 3.1 power supply

The Super Flower Leadex VIII Platinum PRO delivers 1000 W from a 125 mm long ATX chassis, making it the shortest unit in its class. It meets ATX 3.1 and PCIe 5.1 requirements with a native 12V-2x6 cable. A single +12 V rail and full modular ribbon cables simplify builds in tight cases.

Suits small-form-factor builders needing top

This unit fits builders who want Cybenetics Platinum efficiency and ATX 3.1 compliance in minimal length. It is not for systems that require a longer PSU to reach rear-mounted connectors, nor for users who prefer traditional sleeved cables over ribbon style.

Handles modern GPUs and CPUs with headroom to spare

The 1000 W single-rail design comfortably powers high-end graphics cards and multi-core processors through the native 12V-2x6 connector. Headroom diminishes only when multiple flagship GPUs or extreme overclocking loads push sustained draw toward the maximum rating.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $200.99
Pricier than about 63% of the 10,869 comparable items (median $142.99).
Max wattage 1000 W
Higher than about 70% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameSuper Flower
Product colorBlack
Product typeATX3.1/ ATX3.0 Compatible
Graphics
SLI supportReady
Power
Max wattage1000 W
Modular cablingFull Modular
Power factor correctionActive
Main power connector20+4Pin
12V railsSingle
Efficiency certificationCybenetics Platinum
Supply voltage100–240 V
AC input frequency50/60 Hz
Overvoltage protectionYes
Under voltage protectionYes
Over current protectionYes
Over power protectionYes
Size & build
Top fans size120 mm
Compatibility
Haswell compatibilityReady
PSU length limit125 mm
Environment & compliance
Over temperature protectionYes
More details
Fan configuration1 × 120 mm
Over load protectionYes
Short circuit protectionYes

Other versions of this model

4 more in the same range

Questions about this item

Does my case have enough clearance for the 125 mm length of this unit?

The power supply measures 125 mm long so any standard ATX case that lists at least that much depth will fit it without modification.

Will my existing 20+4 pin motherboard cable work with the ATX 3.1 connector on this PSU?

Yes the main connector is a standard 20+4 pin design so it plugs directly into both ATX 3.0 and ATX 3.1 motherboards.

How can I verify the Cybenetics Platinum efficiency rating is being met after installation?

Use a wall power meter while the system is under load and compare the measured AC draw to the expected DC output; the ratio should match the Platinum efficiency curve.

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