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Seasonic PRIME 1000W Platinum PSU Review

Seasonic PRIME box artwork is very reflective and quite difficult to photograph. The front of the box highlights the model and capacity, along with the 80 Plus Platinum certification and 10 year warranty. This 10 year warranty is actually now 12 years however (HERE), so Seasonic could do with updating their box artwork.

The rear of the box highlights some basic specifications alongside a high resolution image of the power supply itself.

The power supply itself is shipped encased in a soft felt bag, wedged between two slabs of foam for protection.

Seasonic fully load this box with a wealth of extras. You get a modular cable bag, resealable plastic wallet, regional specific power connector, two kinds of cable ties, a case badge, branded sticker, an installation guide, mounting screws and user manual.

The Seasonic power supply is a pure modular design. The cables are a mixture of sleeved (ATX, CPU and PCIe) and flat ribbon style (peripherals), for ease of routing.


– 1 x 20+4-Pin ATX12V/EPS12V
– 2 x 4+4-Pin ATX12V/EPS12V
– 8 x 6+2-Pin-PCIe
– 12 x SATA
– 5 x 4-Pin-Molex
– 1 x Floppy

As would be expected from a 1000 watt power supply, there are plenty of cables in the box to fully support a wealth of system configurations. There are a total of eight 6+2 Pin PCIe connectors to support very high end Crossfire and SLi systems. Seasonic also supply dual 4+4 Pin ATX12V/EPS12V connectors to deliver power to two high end processors.

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