Tuniq Miniplant 950w

Power supply units

Testing

Methodology

Testing power supplies is a fairly simple process compared to other products. The unit is hooked up to the most powerful hardware we have available at the time, and left in an idle state for 30 minutes. After that time, we use a multimeter plugged into the ATX power connector, and a PF and wattage meter for their results respectively. Then, the PC(s) that the unit is powering are loaded as far as they can go to guarantee maximum power draw, and the results are taken again.

For comparison purposes, the previously reviewed Kingwin Mach 1 1000w unit was used.

Thanks to XFX, we had some really high end kit to test this unit with.

Test Rig

Processor Intel Core 2 Duo E6750 @ 3.2 GHZ
Motherboard XFX 790i Ultra
RAM Crucial DDR3 12800 2GB @ 1600 MHZ
Graphics Card 2 x 9800GX2
HDD Maxtor DiamondMax 20 80GB SATA
OS Windows XP Pro x86
Graphics Driver 175.16

Results

Roccat Sense

As you can see the Miniplants voltage on the 12v rail was quite far out in comparison to the Mach 1, however when under load the 12v rail performed much better but it was still 0.21v out. Much more impressive though was the 5v rail. This rail performed brilliantly under both load and idle states giving the same reading of 5.02v. This is pretty good for a PSU to be only 0.02v off of the rails rating when under both idle and load states. The 3.3v rail also bore good results as it showed just a 0.01v difference between load and idle states.

The wattage under load shows that even under a power hungry test setup like ours the PSU still has a lot to give, as there are still 425 watts spare that the PSU can provide. When compared to the Mach 1 under idle states on the same test setup the PSU uses less watts, this is good as its saving those units of power for you meaning a decreased energy bill at the end of the month.

Cost

The Tuniq Miniplant retails for about $229.99, which is roughly £115, this is near the top end of the scale for PSU prices and seems quite a lot to pay for a non-modular PSU. However, it does boast one of the highest wattages for its size and efficiency so it may just be able to justify its price tag.

Noise levels

Although the fan rotates slowly it is still audible to the sensitive ear, and occasionaly it produces an electronic clicking sound, though it’s very faint.

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Last modified: February 15, 2011

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