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Rectangular silver ATX power supply unit with modular cable ports and a 120mm fan grille

GIGABYTE

GIGABYTE GP-UD850GM PG5 850W power supply

SKU CH-SC6W-NV7JB MPN GP-UD850GM PG5

An 850W fully modular ATX supply with a single 12V rail, 80 Plus Gold efficiency, Japanese capacitors, a 120mm hydraulic-bearing fan and a native 16-pin cable for PCIe 5.0 graphics cards up to 600W

  • TypeATX12V
  • Maximum Power850 W
  • Fans120mm Hydraulic Bearing (HYB)Fan
  • PFCActive PFC (>0.9 typical)
  • Main Connector20+4Pin
  • +12V RailsSingle
  • 850 W single +12 V rail delivers stable power to demanding builds
  • 80 PLUS Gold certification means 90% typical efficiency for lower running costs
  • Fully modular cables keep the interior tidy and airflow unobstructed
  • 120 mm hydraulic bearing fan runs quietly while maintaining thermal performance
  • Native 16 pin cable supports 600 W to PCIe 5.0 graphics cards

850W Fully Modular ATX Supply

This fully modular ATX power supply delivers 850W from a single +12V rail. It targets builders who want a compact 150mm unit with native 16-pin support for modern graphics cards. Japanese main capacitors and a hydraulic bearing fan aim for long-term reliability.

PCIe 5.0 16-Pin Connector Limits

The included native 16-pin cable is rated for 600W output to a PCIe Gen 5.0 graphics card. Four 6+2-pin PCIe connectors and eight SATA power connectors handle additional components. The single-rail design simplifies power distribution across all cables.

80 Plus Gold Efficiency Headroom

At typical load the unit reaches 90% efficiency under the 80 Plus Gold programme. Active PFC maintains a power factor above .9 across the 100-240V input range. Six protection circuits guard against over-voltage, over-power, short-circuit, under-voltage, over-current and over-temperature conditions.

Highlights

  • 850 W single +12 V rail delivers stable power to demanding builds
  • 80 PLUS Gold certification means 90% typical efficiency for lower running costs
  • Fully modular cables keep the interior tidy and airflow unobstructed
  • 120 mm hydraulic bearing fan runs quietly while maintaining thermal performance
  • Native 16 pin cable supports 600 W to PCIe 5.0 graphics cards

Specifications

BrandGIGABYTE
ModelGP-UD850GM PG5
TypeATX12V
Maximum Power850 W
Fans120mm Hydraulic Bearing (HYB)Fan
PFCActive PFC (>0.9 typical)
Main Connector20+4Pin
+12V RailsSingle
PCI-Express Connector4 x 6+2-Pin
SATA Power Connector8
Max PSU Length150 mm
ModularFull Modular
Efficiency90% at typical load
Energy-Efficient80 PLUS GOLD Certified
ProtectionOVP/OPP/SCP/UVP/OCP/OTP
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Input Current12A-6A
MTBF>100,000 Hours
ApprovalsBSMI/CE/CCC/FCC/TUV/RCM/CB/EAC/KCC/UL/PSE
ConnectorsATX/MB 20+4 Pin x 1
EPS/ATX 12V 4+4pin x 2
PCI-e 6+2 pin x 4
PCI-e 16 pin x 1
SATA 5 pin x 8
Peripheral 4-pin x 3
Floppy 4-pin x 1
Cable SpecBlack Flat Cables
Dimensions140 x 150 x 86mm
Shipping weight1.27 kg
Package size258 × 216 × 110 mm

Questions about this item

Which version of this PSU should I pick for a build that needs a native 16-pin cable?

The GP-UD850GM PG5 includes a high-quality native 16-pin cable rated for 600W output, so this single model covers PCIe 5.0 graphics cards without extra adapters.

What does the 850W rating deliver in a real system?

A single +12V rail provides the full 850W to components, while 80 Plus Gold certification means 90% efficiency at typical load, reducing waste heat and electricity cost.

How does the PCIe 5.0 interface affect the power limit on the 16-pin connector?

The supplied 16-pin cable is specified for 600W, which is the practical ceiling for a PCIe 5.0 graphics card connected to this unit.

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