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Riotoro Onyx Series Power Supply Review

Author: Lee Garbutt
Manufacturer: Riotoro

Specifications and Packaging

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The Riotoro Onyx power supplies are rated for a combined, continuous output power of up to 650 watts or 750 watts at 40°C operating temperature. Both power supplies incorporates a single +12V rail that can deliver either 54.0A (Onyx 650W) or 62.5A (Onyx 750W) on the +12V outputs.  The PSUs includes universal AC line input (automatically adjusts to the AC line voltage between 100 and 240 VAC) and active PFC, which makes the units more environmentally friendly to the local power grid.  

Riotoro Onyx 650W PSU Specifications:

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(Courtesy of Riotoro)

Riotoro Onyx 750W PSU Specifications:

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(Courtesy of Riotoro)

Packaging and Parts

The two Riotoro Onys Series power supplies arrived packed inside shrink-wrapped retail boxes showcasing each unit’s features and specifications.  

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The power supplies are enclosed in plastic bags for protection.

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In addition to the power supply, each box contains a power cord, mounting screws, a very brief User Manual, wire ties, and a package of modular cables.

Riotoro Onyx 650W PSU Cables and Connectors:

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(1) 6+2 pin PCI-E cables, (2) SATA cables, and (1) Molex cable

Riotoro Onyx 750W PSU Cables and Connectors:

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(2) 6+2 pin PCI-E cables, (3) SATA cables, and (2) Molex cables

Both Onyx Series power supplies come with a basic assortment of flat ribbon-style modular cables and one 4-pin Molex to 4-pin FDD adapter. (See tables above for connector count and cable lengths.) We like the semi-modular configuration.