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

darkFlash

darkFlash PMT650 650W Fully Modular Power Supply

SKU CH-1GPG-XSTBH MPN PMT650

A fully modular ATX unit delivering 650 W with a 135 mm FDB fan and 80 PLUS Gold efficiency

  • 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 White

Wattage 1050 W

  • 80 PLUS Gold efficiency cuts energy waste and heat
  • Fully modular cables simplify routing and improve airflow
  • 135 mm FDB fan runs quietly under load
  • Single +12V rail delivers stable power to CPU and GPU
  • Japanese 105 °C capacitors extend unit lifespan

Power for mid-range builds

The darkFlash PMT650 is a 650 W ATX power supply built for mid-range gaming PCs and workstations. Full modular cabling keeps the chassis tidy and airflow clear. A single +12 V rail delivers the full rated output to CPU and GPU. 80 PLUS Gold certification confirms high efficiency across typical loads.

Steady output under load

Efficiency stays above 90 % during sustained operation, limiting waste heat when the system runs for hours. The 135 mm FDB fan spins only as fast as needed, so noise remains low while temperatures stay controlled. Over-voltage protection and a power-good signal guard components during prolonged stress. MTBF exceeds 100 000 hours for long-term reliability.

Black ATX chassis with full modular sockets

The black enclosure fits standard ATX bays and uses a 135 mm fluid-dynamic-bearing fan for durable cooling. Every cable detaches at the unit, so only necessary leads are installed. Native SATA power connectors serve drives directly. CE, RoHS and UL approvals confirm baseline safety compliance.

How it compares

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

Price $94.99
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).

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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

5 more in the same range

Questions about this item

How loud does the 135mm FDB fan get when the 650W unit runs at full load all day?

The 135mm fluid-dynamic-bearing fan uses an intelligent ECO control curve that keeps RPM low until internal temperature rises, so sustained full-load operation stays quiet without sacrificing cooling.

Which cables must I already have to connect the fully modular PMT650 to my motherboard and drives?

Because the unit is fully modular, you only need the cables included in the box — 24-pin ATX, 8-pin EPS, PCIe and SATA leads — no proprietary loom from a previous power supply will fit.

Will the single +12V rail and 80 PLUS Gold efficiency work reliably with an older motherboard that only has a 20-pin ATX socket?

The 24-pin connector splits into 20+4 pins, and the wide 100-240V input range plus active PFC ensure stable delivery on legacy platforms that meet ATX 2.x specifications.

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