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Black rectangular ATX PSU with 135mm fan and modular cable sockets

darkFlash

darkFlash PMT650 650W Fully Modular ATX Power Supply

SKU CH-GKHB-9XJ4C MPN PMT650

A fully modular 650 W ATX power supply with 80 PLUS Gold efficiency, ATX 3.1 and PCIe 5.1 support, native 12V-2x6 cable for RTX 30/40 graphics cards, Japanese 105°C capacitors, and a 135 mm FDB fan

  • Max wattage650 W
  • Power efficiency> 90%
  • Modular cablingFull Modular
  • Fan configuration1 × 135 mm FDB Fan
  • Efficiency certification80 PLUS GOLD Certified
  • Supply voltage100–240 V

Color Black

Wattage 650 W

  • ATX 3.1 and PCIe 5.1 ready with native 12V-2x6 cable for 600W GPU support
  • 80 PLUS Gold certification delivers up to 90% efficiency for lower heat and stable power
  • Fully modular design allows only needed cables for clean builds and better airflow
  • Japanese 105°C capacitors and DC-to-DC conversion ensure reliable voltage regulation and longevity
  • 135mm FDB fan with OVP, OCP, OPP, SCP, OTP, UVP, NLP protections safeguards the system quietly

Built for modern ATX 3.1 and PCIe 5.1 builds

The darkFlash PMT650 is a 650 W fully modular power supply certified 80 PLUS Gold. It targets gaming rigs and workstations that need stable, efficient power without excess cable clutter. Japanese 105 °C capacitors and DC-to-DC conversion underpin long-term reliability.

Fits standard ATX and Micro-ATX cases with a 150

Full modularity lets you connect only the cables required, improving airflow and easing installation. A native 12V-2x6 cable is included for direct GPU power. The 135 mm FDB fan handles cooling while the unit draws 100-240 V at 50/60 Hz.

Delivers 650 W continuous

80 PLUS Gold efficiency exceeds 90 % at typical loads, reducing heat and consumption. The single +12 V rail supports RTX 30/40 and RX graphics cards. Protection circuits cover OVP, OCP, OPP, SCP, OTP, UVP and NLP for safe operation.

How it compares

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

Price $49.99
Cheaper than about 91% of the 10,869 comparable items (median $142.99).
Max wattage 650 W
Lower than about 70% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameDarkFlash
Product linePMT650
Model namePMT650
Part numberPMT650
Product colorBlack
Product typeATX
Graphics
SLI supportNo
CrossFire supportNo
Ports & slots
SATA power connectorsYes
Power
Max wattage650 W
Power efficiency> 90%
Modular cablingFull Modular
12V railsYes
Power good signalYes
Efficiency certification80 PLUS GOLD Certified
Overvoltage protectionYes
Supply voltage100–240 V
AC input frequency50/60 Hz
Rated input current10 A
Environment & compliance
Regulatory approvalsCE,ROSH,UL
More details
Fan configuration1 × 135 mm FDB Fan
Mean time between failures>100,000 h

Other versions of this model

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Questions about this item

How much power can the native 12V-2x6 cable deliver for next-generation graphics cards?

The native 12V-2x6 cable is rated to deliver up to 600 W, supporting ATX 3.1 and PCIe 5.1 graphics cards.

What is the fan size and bearing type used for cooling under continuous load?

A 135 mm fluid-dynamic-bearing fan provides airflow while keeping noise low during all-day operation.

Which cable connectors are included in the box for storage drives?

SATA power connectors are included for connecting SSDs and hard drives.

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