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 greater than that of the In-Win GreenMe 750W, 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 rails, we see 3% regulation from start to finish. 12V1 fared the worst and showed a total drop of .31V from start to finish. 12V4 faired the best and showed a total drop of .25V from start to finish. The 5V rail managed to stay within 3% of specification with a total drop of .15V from start to finish. Moving towards the 3.3V rail, we see that regulation was still within 4% with a total voltage drop of .12V.
DC Output quality for the In-Win GreenMe 750W was just what we expected after seeing the Suscon capacitors on the inside. During Test 1, we saw 14mV of noise on our scope. This steadily increased with the loads on the power supply and by the time we reached Test 3, the ripple climbed to 33mV. After Test 3, we saw a rapid rise in the nose on the 12V rails. Test 4 show an increase to 55mV and by the time we reached full load in Test 5, the noise had increased to 79mV.
The In-Win GreenMe 750W 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 GreenMe 750W passed on our bench although it was really pushing it at the end. Nevertheless, a pass is a pass.
I want to start off by saying that the In-Win GreenMe 750W power supply is not a bad unit. Over the past several months, we have taken a look at many very high-end power supplies and it is easy to look down upon a budget unit simply because it doesn't perform like the very best. One must remember that the GreenMe 750W power supply is very much so a budget unit and as such it will not have the best performance possible.
Taking a look at the performance from the unit, it passes in every single test we threw at it. No, the voltages don't have the tightest regulation, the ripple is a lot higher than we are used to seeing and the efficiency really fell off at the end. It still passes all ATX specification with plenty of room to spare and that is what matters most.
It is when we start looking at the package as a hole that things fall apart a little bit. The unit is competitively priced at $99. Unfortunately you can get almost everything In-Win offers in the GreenMe 750W and more for the same price or slightly less from other manufacturers including better connector availability, build quality and warranty.
In-Win does provide a little extra with the donation to the WWF and the recycled packaging, but that only goes so far.
If In-Win would drop the price on the GreenMe 750W, it would go a long way towards making the power supply a bit more attractive.
Last updated: May 11, 2020 at 03:41 pm CDT
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- Page 1 [Introduction, Specifications, Availability and Pricing]
- Page 2 [Packaging]
- Page 3 [Inside the Box]
- Page 4 [Cabling Arrangement and A Look Inside]
- Page 5 [Test Results and Final Thoughts]