Gigabyte 1000GM PG5 1000W power supply review: Impressive Platinum-level efficiency with T-Guard thermal protection
Gigabyte's new Gaming series flagship, the Gigabyte 1000GM PG5 1000W, pairs an HEC-built platform with all-Japanese capacitors, Platinum-level efficiency, and T-Guard thermal protection for the 12V-2x6 connector.
The Gigabyte 1000GM PG5 1000W power supply is a new addition to the company's Gaming GM PG5 series, designed for the upper mainstream market. Manufactured by HEC, a long-established Taiwanese OEM, this power supply is fully compliant with ATX 3.1 and PCIe 5.1 design guides. It features a native 12V-2x6 connector and a T-Guard thermal protection system, which can cut power to the graphics card if the connector starts overheating.
Despite being marketed with 80 PLUS Gold logos, the unit has received Platinum certifications from both CLEAResult and Cybenetics. The power supply is available in white as the 1000GM PG5 ICE and comes with a ten-year warranty, retailing for $170. The specifications include 20A on +3.3V, +5V, and +12V rails, 83.3A on the +12V rail, 3A on the +5Vsb rail, and 0.3A on the -5Vsb rail, with a total output of 1000W and 15W of total power loss.
The power supply is fully modular, including the 24-pin ATX cable, and boasts a sleek, gaming-oriented design with a gunmetal grey upper part, matte black lower part, and a perforated octagonal fan grille with the Gaming series logo. The T-Guard feature sets this power supply apart from its predecessor, the UD1000GM PG5.
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