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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

  • ColorBlack
  • TypeATX3.1 & PCIe5.1
  • Maximum Power1600 W
  • Fans135mm Striped Axial FDB Fan
  • Main Connector24Pin
  • +12V RailsSingle

Options 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.

Highlights

  • 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

Specifications

BrandASRock
SeriesPG
ModelPG-1600G
Part NumberPG-1600G
ColorBlack
TypeATX3.1 & PCIe5.1
Maximum Power1600 W
Fans135mm Striped Axial FDB Fan
Main Connector24Pin
+12V RailsSingle
PCI-Express Connector2 x 12+4-Pin, 8 x 6+2-Pin
SATA Power Connector12
CrossFireCrossFire Ready
Max PSU Length180 mm
ModularFull Modular
Energy-Efficient80 PLUS GOLD Certified
PSU Noise LevelCybenetics A
Over Voltage ProtectionYes
Overload ProtectionYes
MTBF>100,000 Hours
Connectors1 x 24 pin ATX, 2 x 4+4 pin EPS 12V, 2 x 12+4 pin PCIe, 8 x 6+2 pin PCIe, 6 x 4 pin Peripheral, 12 x SATA
Power Rating1600W
Efficiency> 87%
Features80 PLUS GOLD Certified, Cybenetics PLATINUM and LAMBDA A Certified, ATX 3.1 & PCIe 5.1 Ready, Fully Modular Cable Design, Native 12V-2x6 Connector Dual Color Design with TempGuard, 100% Highly Reliable Japanese Capacitors, 135mm Striped Axial FDB Fan, iCool Intelligent Fan Control Mode, 5V BOOST Mode, 10-Year Warranty, OCP/SCP/OVP/UVP/OTP/OPP Protections, Total Power Excursion 220%
Dimensions180mm x 150mm x 86mm
+12V1 Max. Current133.3A
12V Power Connector2 x 4+4 Pin EPS 12V, 2 x 12+4 Pin PCIe5.1 12V
Peripheral Connector6
Fans Total Quantity1
Top Fans Size135mm
Top Fans Bearing TypeFluid Dynamic Bearing
Rear Fans Size135mm
Rear Fans Bearing TypeFluid Dynamic
Over Load ProtectionYes
Short Circuit ProtectionYes
Under Voltage ProtectionYes
Over Current ProtectionYes
Over Power ProtectionYes
Over Temperature ProtectionYes
Shipping weight4.49 kg
Package size318 × 241 × 127 mm

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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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