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Rectangular ATX power supply unit, matte black finish, fully modular with flat black cables

GIGABYTE

GIGABYTE GP-UD850GM PG5 REV2.0 850W power supply

SKU CH-A362-SWFHV MPN GP-UD850GM PG5 REV2.0

Fully modular 850W ATX 3.0 PSU with native 16‑pin PCIe 5.0 cable delivering 600W, 80 Plus Gold efficiency, Japanese capacitors and a 120mm hydraulic bearing fan

  • Max wattage850 W
  • Power efficiency90% at typical load
  • Fan configuration120 mm Hydraulic Bearing (HYB)Fan
  • Main power connector20+4Pin
  • 12V railsSingle
  • PCIe power connectors4 × 6+2-Pin
  • 850W output on a single +12V rail for stable GPU power
  • Native 16-pin cable delivers up to 600W to PCIe 5.0 graphics cards
  • 80 Plus Gold certification reaches 90% efficiency at typical load
  • Fully modular flat cables keep the build tidy and airflow clear
  • 120mm hydraulic bearing fan with Japanese capacitors runs quietly and lasts over 100000 hours

850W ATX 3.0 Power Supply

The GIGABYTE GP-UD850GM PG5 REV2.0 is an 850W ATX 3.0 certified unit built for modern desktop builds. Its single +12V rail delivers the full 850W to high-demand components. Fully modular cabling keeps the interior tidy and simplifies installation. Japanese capacitors and a 120mm hydraulic bearing fan target long-term reliability.

Sustained Load Behaviour

The 80 PLUS Gold rating guarantees 90% efficiency at typical load, reducing waste heat during extended sessions. A single +12V rail maintains stable voltage across all connectors when the system draws continuous power. Six protection circuits including OVP, OPP, OCP and OTP guard hardware under heavy demand. MTBF exceeds 100,000 hours for dependable long-term operation.

Thermals Noise and Power Draw

The 120mm hydraulic bearing fan adjusts speed based on thermal load, staying quiet at low draw and spinning up only when needed. Enhanced thermal solution improves heat dissipation compared with standard designs. Compact 150mm depth aids airflow in tighter cases. Input range of 100-240V at 50/60Hz ensures compatibility worldwide.

How it compares

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

Price $105.99
Cheaper than about 65% of the 10,869 comparable items (median $142.99).
Max wattage 850 W
Typical for this category: the median of 930 items is 850 W.

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Specifications

Product
Brand nameGIGABYTE
Model nameGP-UD850GM PG5 REV2.0
Product typeATX12 V
Ports & slots
PCIe power connectors4 × 6+2-Pin
SATA power connectors8
Connection typesATX/MB 20+4 Pin x 1
EPS/ATX 12 V 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
Power
Max wattage850 W
Power efficiency90% at typical load
Main power connector20+4Pin
12V railsSingle
Efficiency certification80 PLUS GOLD Certified
Built-in protectionOVP/OPP/SCP/UVP/OCP/OTP
Supply voltage100–240 V
AC input frequency50/60 Hz
Rated input current12A-6A
Power factor correctionActive
Size & build
Product dimensions140 × 150 × 86 mm
Shipping weight2.86 kg
Package size259 × 207 × 119 mm
Compatibility
PSU length limit150 mm
Environment & compliance
Regulatory approvalsBSMI/CE/CCC/FCC/TUV/RCM/CB/EAC/KCC/UL/PSE
More details
Fan configuration120 mm Hydraulic Bearing (HYB)Fan
Mean time between failures>100,000 h

Questions about this item

How loud does the 120 mm hydraulic bearing fan get under continuous 850 W load?

The 120 mm hydraulic bearing fan runs quietly at low loads and ramps up only when needed, keeping noise low during typical all-day use.

Does the native 16-pin PCIe 5.0 cable ship in the box, or must I buy it separately?

The native 16-pin PCIe 5.0 cable is included, so the PSU works with Gen 5.0 graphics cards straight away.

Will the 20+4 pin ATX and dual 4+4 pin EPS connectors fit a motherboard that still uses the older 20-pin main and 4-pin CPU power?

The 20+4 pin splits to 20 pin, and each 4+4 pin splits to 4 pin, so the PSU connects to legacy motherboards without adapters.

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