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GIGABYTE

GIGABYTE GP-UD1000GM PG5 1000 W ATX 12V v2.31 80 PLUS Gold Full Modular Power Supply

SKU CH-HXA3-D58FV MPN GP-UD1000GM PG5

Full-modular 1000 W ATX 12V v2.31 supply with 80 PLUS Gold efficiency, native 16-pin PCIe 5.0 cable for 600 W graphics cards and Japanese capacitors

  • Max wattage1000 W
  • Power efficiency90% at typical load
  • Modular cablingFull Modular
  • Fan configuration120 mm Hydraulic Bearing (HYB) fan
  • Power factor correctionActive
  • Main power connector20+4Pin
  • 1000 W output powers demanding builds with ATX 12V v2.31 compliance
  • 80 PLUS Gold certified 90% typical efficiency lowers running costs
  • Fully modular cabling reduces clutter and eases installation
  • Native 16-pin PCIe 5.0 cable delivers up to 600 W to graphics cards
  • Japanese capacitors and six protections ensure long-term reliability

1000 W ATX 12V v2.31 Power Supply

This fully modular unit delivers 1000 W of continuous power and carries 80 PLUS Gold certification for 90% typical-load efficiency. It targets builders who need reliable energy for high-end graphics cards and multi-drive systems. The compact 140 mm chassis fits standard ATX cases while keeping cable routing tidy.

Sustained Load Behaviour

Dual +12 V rails rated at 55 A on the 12VHPWR connector and 60 A on the standard +12 V rail maintain stable voltage during extended gaming or render sessions. Active PFC and a hold-up time above 16 ms keep output clean when mains fluctuate. Six protection circuits guard against over-voltage, over-power, short-circuit, under-voltage, over-current and over-temperature events.

Thermals Noise and Power Draw

A 120 mm hydraulic bearing fan runs under smart control to balance airflow and acoustic output. Main Japanese capacitors and an enhanced thermal solution dissipate heat efficiently during normal operation. The supply accepts 100–240 V input at 50/60 Hz, drawing 15–6.5 A depending on load, while the power-good signal settles within 100–150 ms.

How it compares

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

Price $147.99
Typical for this category: the median of 10,869 items is $142.99.
Max wattage 1000 W
Higher than about 70% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameGIGABYTE
Model nameGP-UD1000GM PG5
Product typeATX 12 V v2.31
Ports & slots
PCIe power connectors1 × 16-Pin, 4 × 6+2-Pin
SATA power connectors8
Output type+3.3 V@25A, +5 V@25A, +12VHPWR@55A, +5VSB@3A
Connection types1 × 24 pin (20+4) ATX
2 × 8 pin (4+4) EPS (CPU)
1 × 16 pin PCIe
4 × 8 pin (6+2) PCIe
8 x SATA
3 × 4 pin Peripheral
1 x Floppy
Power
Max wattage1000 W
Power efficiency90% at typical load
Modular cablingFull Modular
Power factor correctionActive
Main power connector20+4Pin
12V rails2
Power good signal100-150 ms
Power hold-up time>16 ms
Efficiency certification80 PLUS GOLD Certified
Built-in protectionOVP/OPP/SCP/UVP/OCP/OTP
Supply voltage100–240 V
AC input frequency50/60 Hz
Rated input current15-6.5A
Size & build
Product dimensions3.39 in × 5.91 in × 5.51 in
Shipping weight2.72 kg
Package size254 × 206 × 117 mm
Compatibility
PSU length limit140 mm
Environment & compliance
Regulatory approvalsBSMI/CE/CCC/FCC/TUV/RCM/CB/EAC/KCC/UL
More details
Fan configuration120 mm Hydraulic Bearing (HYB) fan
Mean time between failures>100,000 h

Questions about this item

Will the native 16-pin cable power my PCIe 5.0 graphics card without an adapter?

Yes, the included native 16-pin cable delivers up to 600W directly to a PCIe 5.0 graphics card, so no adapter is required.

Does the 140 mm length leave enough clearance for cable routing in a mid-tower case?

At 140 mm long, the unit fits most mid-tower cases and the fully modular design lets you connect only the cables you need for cleaner routing.

What protections guard the system if a rail exceeds its limit?

The PSU includes OVP, OPP, SCP, UVP, OCP and OTP circuits that shut down the affected rail before damage can occur.

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