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Corsair RM850e ATX 3.1 (2025) PSU Review

Corsair box artwork is always very distinctive – and they stay true to their history of yellow coloured panels across all sides. On the front of the box we have two Cybenetics logos for Gold efficiency and A power ratings. Good to see Corsair dropping focus on the older 80 Plus ratings.

Rear of the box highlights some key selling points, such as support for the latest graphics cards, the efficiency and fully modular cabling. Some graphs at the bottom highlight power efficiency and fan noise levels.

Accessories in the box include a regional specific power cable, some cable ties, literature and mounting screws. The packaging is pretty good and the box should protect the PSU during shipping well.

We like these new Corsair cables – they call them embossed. I would call them individually sleeved. They look great and this 850W unit has plenty of cables to suit a variety of system builds targeting this power demand.

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