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Black ATX power supply unit with 135mm fan and fully modular cables

darkFlash

darkFlash PMT650 650W power supply

SKU CH-E37N-C73P8 MPN PMT650

A fully modular 650 W ATX unit with 80 PLUS Gold efficiency, a 135 mm FDB fan, and Japanese 105 °C capacitors

  • 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 1050 W

  • 80 PLUS Gold certified efficiency cuts energy waste
  • Fully modular cabling keeps the build tidy
  • 135 mm FDB fan runs quietly under load
  • Japanese 105 °C capacitors back long-term stability
  • ATX 3.1 and PCIe 5.1 ready for modern GPUs

Power delivery and audience

The darkFlash PMT650 is a 650 W ATX power supply built for desktop systems that need reliable, efficient energy. Its fully modular design suits builders who want clean cable routing inside the case.

Thermals, noise and power draw

A single 135 mm FDB fan handles cooling while the unit delivers up to 650 W across a +12 V rail. 80 PLUS Gold certification confirms efficiency above 90 percent at typical loads, reducing waste heat and fan speed in normal use.

Build quality and daily connectivity

Japanese 105 °C capacitors and full modular cabling support long-term stability and easier assembly. SATA power connectors are included for drives, while the ATX 3.1 and PCIe 5.1 ready design provides a native 12V-2x6 cable for modern graphics cards.

How it compares

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

Price $92.99
Cheaper than about 70% 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).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

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

5 more in the same range

Questions about this item

Will the native 12V-2x6 cable handle an RTX 40-series card without an adapter?

Yes, the unit includes a native 12V-2x6 cable rated for 600 W, so current RTX 40-series GPUs plug in directly with no adapter required.

Is the 650 W output enough for a modern CPU and a single high-end GPU?

At 650 W with a single +12 V rail and 80 PLUS Gold efficiency, the supply covers typical mid-range to high-end single-GPU builds; check your parts list for total draw.

Does the fully modular design mean every cable can be removed?

All power cables detach from the unit, letting you connect only what the build needs for cleaner routing and better airflow.

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