Articles: Cases/PSU

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Seasonic SS-860XP

As is the case with the above-discussed Cooler Master, we’ve already tested the 1000W cousin of this Seasonic SS-860XP.

The packaging is almost the same except for the model name and specifications.

The accessories now include more cable straps and a simple screwdriver. There’s still a black velvet pouch for the PSU and a silver-black bag for modular cables.

Exterior Design

Like its 1000W cousin, the Seasonic SS-860XP is painted gray and black. Besides the connectors for modular cables, there is a cooling system regulator on the front panel. It can be set at normal (the fan starts up immediately at low speed) and hybrid (the fan is turned off at low loads).

The PSU is overall identical visually to the SS-1000XP model.

Circuit Design

The interior design isn’t much different from the senior model’s. There are two rather than three capacitors at the input and fewer solid-state capacitors at the output. Some components have different ratings.

As is typical of top-end Seasonic products, DC-DC converters are placed on the card with modular connectors.

Not all manufacturers can ensure low voltage ripple with such components, but Seasonic usually has no problems with that.

The PSU employs electrolytic capacitors from United Chemi-Con at the output. These components enjoy an excellent reputation.

Cables and Connectors

The Seasonic SS-860XP is an all-modular PSU. It is shipped with the following cables:

  • One mainboard cable with a 20+4-pin connector (60 cm)
  • One CPU cable with an 8-pin connector (65 cm)
  • One CPU cable with a 4+4-pin connector (65 cm)
  • 2 graphics card power cabled (with two independent cables in each) with 6+2-pin connectors (60 cm)
  • Two cables with three PATA power connectors on each (55+15+15 cm)
  • One cable with two PATA power connectors (35+15 cm)
  • Three cables with three SATA power connectors on each (55+15+15 cm)
  • One cable with two SATA power connectors (35+15 cm)
  • Y-shaped adapter from a PATA power connector to two floppy-drive plugs (14 cm)

The selection of cables and connectors is the same as the 1000W model offers with only one exception: there are only two instead of three power cables for graphics cards in the box. The PSU offers enough cables and connectors and the cables are sufficiently long.

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