This unit is an active PFC + half bridge LLC resonance and synchronous rectification + DC-DC design. The design implements independent PCBs for the DC-DC modules and synchronous rectification. The level one EMI adopts independent PCB design. This is equipped with a pair of Y capacitors and two X capacitors with a common mode inductor. The primary PCB contents the second level EMI circuit including a common mode inductor and a single X capacitor and a pair of Y capacitors. An MOV and NTC are also present. An independent relay is seen between the primary cap and the PFC circuit. Another source of so-called "coil whine" is actually from capacitors. While many people think that a capacitor that's making noise is a leaking capacitor, the truth is that a capacitor can make a noise similar to "coil whine" for the same reason a coil or transformer will make these noises. The inside of a capacitor is made up of a dielectric material and a metallic film. These two thin layers are rolled up to form the capacitor. Once again, tolerances are important. If there is any non-uniformity in the coil of two layers, a mechanical resonance can occur that produces a high pitched noise. The majority of the supplied cables are flat ribbon style for ease of routing during the build phase. Corsair also supply cable ties, a regional specific power cable and screws for mounting. The 24-pin main power supply cable is braided as shown in the images above.

Correctly testing power supplies is a complex procedure and KitGuru have configured a test bench which can deliver up to a 2,000 watt DC load. Above we have a picture of the main transformer and the +5VSB transformer out of our new RM Series power supplies. If we cut all of that tape off... Today to test the Power Supply we have taken it into our acoustics room environment and have set our SkyTronic DSL 2 Digital Sound Level Meter (6-130dBa) one meter away from the unit. We have no other fans running so we can effectively measure just the noise from the unit itself. Klarna Bank AB (publ) is Authorised by the Swedish Financial Services Authority (Finansinspektionen) and is subject to limited regulation by the Financial Conduct Authority.

WORLD-CLASS SUPPORT

The efficiency results are excellent, peaking at 92.6% at close to 55% load. This drops to just under 90% efficiency at full load. These are really very positive results for an 80 Plus Gold rated unit. PLUS Gold certified for steady power output at up to 90% efficiency, and Cybenetics Platinum certified for lower power consumption, less noise, and cooler temperatures. Some power supplies exhibit noises that come from components other than the intake fan. These noises can sound like hissing, buzzing or a high pitched whine. These noises can come and go and can be difficult to troubleshot for a couple of reasons. One reason is that the noise can change, or be completely absent, depending on the load on the power supply. I'll get into more detail about that in a little bit, but what this does mean is that a PSU that makes a noise in one PC during one game or benchmark program may not make the same noise in another... or may make no noise at all. The other reason is that often these noises can be at such a high frequency that only some people are actually able to hear them. Many people, especially those over 25 years of age, cannot hear noises over 15kHz, while others can hear noises all of the way up to 20kHz. So you can have a PC sitting in a room, with a power supply that's making a high pitched squealing noise, and if two people are sitting in the same room; one of them may be able to hear the noise while the other one hears nothing at all.

Corsair have opted for their traditional bright yellow box artwork with an image of the unit on the front. Next we want to try Cross Loading. This basically means loads which are not balanced. If a PC for instance needs 500W on the +12V outputs but something like 30W via the combined 3.3V and +5V outputs then the voltage regulation can fluctuate badly. Cross Load Testing The rear of the box highlights some key features, including the zero RPM mode, low noise characteristics. Keeps Quiet: A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load. You can see we have a copper wire wound around a central core (I got a little aggressive with the knife and ended up cutting some of the copper windings, but there was a lot of tape wrapped around there!).We take the issue of noise very seriously at KitGuru and this is why we have built a special home brew system as a reference point when we test noise levels of various components. Why do this? Well this means we can eliminate secondary noise pollution in the test room and concentrate on components we are testing. It also brings us slightly closer to industry standards, such as DIN 45635.

The Corsair RM1000e handled our cross load test very well, holding stable results across the range. PLUS Gold-Certified: Steady power output at up to 90% efficiency, and Cybenetics Platinum certified for lower power consumption, less noise, and cooler temperatures. As expected, the cables supplied with the 1000W unit should cover any building requirements for the majority of users, including a PCIe 5.0/12VHPWR connector. The cables are long enough for even the biggest cases available on the market today. Coil whine" has become a generic term for audible electrical noises. The fact of the matter is, there's a very good chance that these types of noises aren't coming from a coil at all. One component, similar to a coil in construction, is the transformer. A power supply can have several of these and the windings can vibrate under certain frequencies just like they can with any coil. Again, an attempt is made to wind the wire tighter around the transformers core and use varnish and even tape to help isolate any vibration and potential noise. Intel® ATX 3.0 Certified: Compliant with the ATX 3.0 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes.Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system build needs.

Supports Modern Standby sleep mode for extremely fast wake-from-sleep times and better low-load efficiency. What we've started to do at Corsair is carefully vet our manufacturer of transformers to not only meet performance criteria, but also to meet the criteria we know will give our customers zero noise in their power supply. We test ambient temperatures at 35c in our environment to greater reflect warmer internal chassis conditions.

Throw Your Computer In The Ocean.

The primary stage has a single Taiwanese 105c rated Elite Jinshan cap. These caps are pretty good, even if they fall a bit short of the highest grade caps from Japanese brands such as Nippon Chemi Con or Rubycon. The Corsair RM1000e 2023 chassis is colour neutral and suited for any system themed build you might have in mind.