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Antec Signature 2200W PSU Review (2025)

The Antec Signature 2200W power supply is well put together and rather large, measuring 210mm x 150 mm x 86 mm (LxWxH). The 210mm length is better suited to larger chassis designs on the market.

There are some key design changes from the Seasonic Prime part this unit is based around. Antec have opted for a more simple black aesthetic rather than the silver/chrome accenting of the Seasonic part. The top metal grille, however, is identical in regards to shape and style. It offers plenty of airflow.

One side of the unit is home to the power connector, power switch and ‘Hybrid mode' switch. When this switch is enabled it will turn the fan off at lower power draw, ensuring low noise output.

The modular bay on the other side of the unit is split into 3 rows and all labelled in sections to make it easy.

The power supply can deliver a staggering 183.33A to the primary +12V rail. The secondary +3.3V and +5V rails can output 25A.

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