8-way SLI and Crossfire Power Supply (PSU) Roundup

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Thermaltake ToughPower 750W

The Thermaltake ToughPower 750 PSU

The Thermaltake ToughPower 750W PSU features everything that teh 550W version offers plus a little more. This PSU claims to be 85% efficient with industrial grade components and also features quad +12V rails for higher stability and reliability.

Feature List

The Thermaltake ToughPower 750W PSU Label

  • Fan: 14 cm quiet fan
  • Dimensions: 15cm (W) x 8.5cm (H) x 16cm (L)
  • Modular: Yes
  • Cable sleeving: Yes
  • Number of 12V rails: 4
  • PCI Express, SLI, Crossfire, and Dual CPU ready
  • EPS 12V and ATX 12V 2.2 compliant
  • Protection technologies: OCP, OVP, SCP

Unique Features

Quad +12V Rails: The ToughPower 750W is yet another PSU that brings forth four +12V rails for better load balancing between rails.

High Efficiency: Rated to be ‘up to’ 85% efficient, we look to this unit to have very low consumption when compared to the other units on the test bench. The OCZ GameXStream 700W unit should be some pretty close competition with a similar power rating and also using high efficient parts.


As expected, the unit with the highest power rating comes with one of the highest price tags. Coming in at $189.99, we expect this unit to handle the best of the best systems and barely even blink! We feel this is a pretty competative price given that the brand new Mushkin XP-650 is priced even higher.

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