Gigabyte UD1000GM PG5 1000 W Review – The First PCIe 5.0 PSU

Source: Tech Power Up added 14th May 2022

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Gigabyte had huge problems with its PG-M line, and everything started with our review of the P750GM model. They released revised models after the plethora of complaints from users and reviewers worldwide, but there was no way to tell the difference between the old and new models. To avoid further bad press, Gigabyte re-introduced the newer units as part of the UD line. These use the revised P-GM platform with lower OCP and OPP triggering points, and some minor PCB changes. After the release of the ATX v3.0 specification, which included specifications for PCIe 5.0 PSU compatibility, Gigabyte was the first to release a PSU featuring a 12+4 pin connector, while also claiming ATX v3.0 compatibility because the connector alone doesn’t make a PSU ATX v3.0 compatible. As such, Gigabyte upgraded the UD1000GM model to the UD1000GM PG5.

The UD1000GM PG5 uses a fully modular cable design and has compact dimensions for the capacity. Because of the small case, it has to use a 120 mm fan combined with an aggressive fan-speed profile. As such, the PSU is rated Cybenetics Standard+ (35–40 dBA) for noise output—don’t expect it to be quiet. Moreover, the unit is rated 80 PLUS Gold and Cybenetics Platinum for efficiency. At the time of review, the price was $160, which is below competing offerings that lack the new PCIe connector.


Gigabyte UD1000GM PG5
Features & Specifications
Max. DC Output 1000 W
PFC Active PFC
Efficiency: 80 PLUS Gold
Efficiency: Cybenetics 115 V: Platinum (89–91%), 230 V: Platinum (91–93%)
Noise Cybenetics Standard+ (35–40 dBA)
Modular Yes (fully)
Intel C6/C7 Power State Support Yes
Operating Temperature 0–40 °C
Protections Over Voltage Protection

Under Voltage Protection

Over Power Protection

Over Temperature Protection

Over Current Protection

Short Circuit Protection
Cooling 120 mm rifle bearing fan (KF1225H1H-AA)
Semi-Passive Operation Yes
Dimensions (W x H x D) 150 x 85 x 140 mm
Weight 1.61 kg (3.55 lb)
Compliance ATX12V v3.0, EPS 2.92
Warranty 10 years
Price at Time of Review (excl. VAT) $160
Gigabyte UD1000GM PG5
Power Specifications
Rail 3.3 V 5 V 12 V 12VHPWR 5 VSB -12 V
Max. Power 25 A 25 A 83.3 A 55 3 A 0.3 A
125 W 1000 W 15 W 3.6 W
Total Max. Power 1000 W
Read the full article at Tech Power Up

media: Tech Power Up  

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