Our load tests utilize a couple of FAST ATE active load testers and a variety of other equipment such as an oscilloscope, power conditioner, temperature probe and a power consumption meter. You can read more about our standard testing approach here.
The tests performed are based around six conceivable setups that are out there and progressively load down the PSU up to the power supply's limits or 1000W, whichever comes first. Since our test equipment's limits are higher than that of the Xigmatek Tauro 700W PSU, we can test it to the maximum.
The above tests represent typical loads that we have measured from various systems and are meant to give a rough idea of where your computer might fall in line with our tests. Please keep in mind that each system is different and actual loads can vary greatly even with similar hardware.
Let's start by taking a look at the voltages to see how well this unit did during testing. Starting with the 12V rail, we see 3% regulation from with a total drop of .36V from start to finish. The 5V rail also stayed within 3% voltage regulation and displayed a total drop of .20V. Moving towards the 3.3V rail, we see that regulation was again within 3% with a total voltage drop of .13V.
DC output quality was good from start to finish. Starting out, we were able to see a ripple on the scope during Test 1 where we measured noise at a low 24mV peak to peak. This steadily increased as the loads also increased. By the time we had reached around 50% load, the unit ripple had crept up to 34mV. Under Test 6, we saw that the noise on the 12V rail had crept up to 53mV.
The Xigmatek Tauro 700W PSU is rated for 80Plus Bronze efficiency. This means that the power supply must perform at 82%/85%/82% efficiency at 20%/50%/100% loads respectively. As you can see, the Tauro 700W power supply had no trouble achieving this while on our test bench.
Last month's review of the Xigmatek Centauro 1000W left us with a feeling of redemption after their NRP-MC1002 1000W unit fell out of spec last year. We were happy to see Xigmatek back in the market with a quality unit at a good price. When the Tauro 700W arrived, we expected similar results and that is just what we are left with after testing the unit.
Voltage regulation is once again very good, with all rails staying within 3% of specification. DC output quality is still within a very acceptable level and good considering the capacitors in use. If Xigmatek would upgrade from no-name and Taiwanese capacitors, they would likely see an improvement here. Finally, efficiency proves to be right where it should be considering the 80Plus Bronze efficiency rating that the unit carries.
The Tauro 700W is a great fit for those trying to squeeze every penny out of the rig assuming that it is priced properly. Success of this unit is going to be squarely pinned on the price of the unit. It is most certainly a budget unit both in design and performance and will also be great for those who simply require everyday computing with a little bit of gaming on the side.
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- Page 2 [Packaging]
- Page 3 [Inside the Box]
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