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Black ATX 3.1 power supply, 180 mm deep, fully modular with 135 mm fan

ASRock

ASRock PG-1600G 1600 W ATX 3.1 power supply

SKU CH-BZQ3-78XEC MPN PG-1600G

A 1600 W fully modular ATX 3.1 power supply with dual 12V-2x6 connectors, 80 PLUS Gold efficiency and a 135 mm FDB fan that stays off at low load

  • Max wattage1600 W
  • Power efficiency> 87%
  • Modular cablingFull Modular
  • Fan configuration135 mm Striped Axial FDB Fan
  • Main power connector24Pin
  • 12V railsSingle

Model 1600W

  • 80 PLUS Gold certification delivers efficient power conversion
  • Cybenetics Lambda A rating ensures quiet operation under load
  • ATX 3.1 and PCIe 5.1 ready for modern graphics cards
  • Fully modular design keeps cable routing clean and simple
  • 135 mm FDB fan with iCool mode runs silently at low loads

1600 W ATX 3.1 power supply

The ASRock PG-1600G is a 1600 W ATX 3.1 power supply built for systems that demand high continuous power. It carries 80 PLUS Gold and Cybenetics Gold certifications with a Lambda A noise rating. The unit uses a single +12 V rail and 100 % Japanese capacitors for stable delivery.

Fully modular ATX 3.1 design

A fully modular cable set lets you connect only the leads your build requires, reducing clutter and improving airflow. The supply includes a 24-pin main connector, two native 12V-2x6 cables, eight 6+2-pin PCIe connectors and twelve SATA power connectors. Its 180 mm depth fits standard ATX layouts while freeing space for cable routing.

Sustained-load behaviour with iCool

Under sustained load the 135 mm striped axial FDB fan spins up only when needed thanks to iCool intelligent control, staying off at low to medium loads. The unit is rated for 220 % power excursion handling and includes an NTC sensor on the VGA connector for cable over-temperature protection. MTBF exceeds 100000 hours.

How it compares

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

Price $291.99
Pricier than about 76% of the 10,869 comparable items (median $142.99).
Max wattage 1600 W
Higher than about 92% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameASRock
Product linePG
Model namePG-1600G
Part numberPG-1600G
Product colorBlack
Product typeATX3.1 & PCIe5.1
Graphics
CrossFire supportReady
Ports & slots
PCIe power connectors2 × 12+4-Pin, 8 × 6+2-Pin
SATA power connectors12
Connection types1 × 24 pin ATX, 2 × 4+4 pin EPS 12 V, 2 × 12+4 pin PCIe, 8 × 6+2 pin PCIe, 6 × 4 pin Peripheral, 12 x SATA
12V power connector2 × 4+4 Pin EPS 12 V, 2 × 12+4 Pin PCIe5.1 12 V
Peripheral connector6
Power
Max wattage1600 W
Power efficiency> 87%
Modular cablingFull Modular
Main power connector24Pin
12V railsSingle
Efficiency certification80 PLUS GOLD Certified
Overvoltage protectionYes
Overload protectionYes
Rated power1600 W
+12V1 max. current133.3A
Under voltage protectionYes
Over current protectionYes
Over power protectionYes
Size & build
Product dimensions180 mm × 150 mm × 86 mm
Top fans size135 mm
Rear fans size135 mm
Shipping weight4.49 kg
Package size318 × 241 × 127 mm
Compatibility
PSU length limit180 mm
In the box
Fans total quantity1
Environment & compliance
PSU noise ratingCybenetics A
Over temperature protectionYes
More details
Fan configuration135 mm Striped Axial FDB Fan
Mean time between failures>100,000 h
Top fans bearing typeFluid Dynamic Bearing
Rear fans bearing typeFluid Dynamic
Over load protectionYes
Short circuit protectionYes

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Questions about this item

At what sustained load does the 1600 W unit trigger its 220 % power-excursion limit?

The supply is rated for 1600 W continuous and can handle brief spikes up to 220 % of that rating before protection engages.

How quiet is the 135 mm FDB fan during all-day operation under iCool mode?

Cybenetics Lambda A certification confirms very low noise; the fan stays off at low to medium loads and spins up only when temperature demands it.

Which motherboard and graphics connectors must my build already provide for the native 12V-2x6 and 24-pin cables?

You need an ATX 3.1 motherboard with a 24-pin socket and a PCIe 5.1 graphics card with a 12V-2x6 connector.

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