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Thermaltake Toughpower Grand RGB 750W PSU Review

RGB LED lighting is the new hotness, and a lot of power supplies are incorporating it. Thermaltake's Toughpower Grand RGB with 750W of maximum power boasts RGB lighting, surprisingly good performance, and modular cabling.

Ripple Measurements

To learn how we measure ripple, please click here.

The following table includes ripple levels we measured on the TPG-0750F-R's rails. The limits, according to the ATX specification, are 120mV (+12V) and 50mV (5V, 3.3V and 5VSB).

Test12V5V3.3V5VSBPass/Fail
10% Load5.3mV4.8mV4.5mV4.2mVPass
20% Load6.2mV5.3mV4.7mV4.5mVPass
30% Load7.7mV5.5mV5.5mV4.2mVPass
40% Load9.5mV8.6mV6.3mV6.5mVPass
50% Load11.0mV9.5mV6.9mV7.9mVPass
60% Load12.9mV11.9mV6.1mV8.9mVPass
70% Load14.6mV11.1mV6.8mV8.4mVPass
80% Load15.5mV11.4mV7.8mV8.5mVPass
90% Load17.1mV12.2mV7.3mV7.5mVPass
100% Load22.2mV13.8mV7.8mV8.4mVPass
110% Load26.9mV14.0mV9.3mV10.1mVPass
Cross-Load 16.6mV6.3mV6.1mV4.9mVPass
Cross-Load 221.9mV10.6mV7.4mV6.4mVPass
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Thermaltake keeps its promise: ripple suppression is very good on all rails. The TPG-0750F-R performs much better than other PSUs based on the same platform, especially when it comes to ripple filtering on the minor rails. Obviously TT's unit has some modifications/fixes on its voltage regulation modules.

Ripple Oscilloscope Screenshots

The following oscilloscope screenshots illustrate the AC ripple and noise registered on the main rails (+12V, 5V, 3.3V and 5VSB). The bigger the fluctuations on the screen, the bigger the ripple/noise. We set 0.01 V/Div (each vertical division/box equals 0.01V) as the standard for all measurements.

Ripple At Full Load

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Ripple At 110-Percent Load

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Ripple At Cross-Load 1

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Ripple At Cross-Load 2

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Aris Mpitziopoulos
Aris Mpitziopoulos is a Contributing Editor at Tom's Hardware US, covering PSUs.