With 80 percent efficiency under typical load, this EVGA 450W computer power supply is energy efficient and offers heavy-duty over-voltage and under-voltage protection for your peace of mind. This can help with cable management as it can reduce unneeded clutter and possibly improve airflow in cases where an excess amount of heat could cause problems. Your PC needs clean power to perform at its best and remain stable. The tiers go on down to 7, where the listed units should be avoided at all costs. © 2020 Best Buy. Manufacturers of such power supplies can skimp on things like capacitors, transistors, or cooling. BEST BUY, the BEST BUY logo, the tag design, MY BEST BUY, and BESTBUY.COM are trademarks of Best Buy and its affiliated companies. New to Shacknews? !...Power Supply Worked fine for 2 months then started causing a myriad of issues.gpu now whines under load which is a direct cause of this...", Rating 4.8 out of 5 stars with 186 reviews, "No issues at all...No issues so far...Dependable power supply for my gaming PC....Before I bought this power supply I bought a power spec power supply and after maybe 3-4 months it straight up died, I bought this one and I feel a lot more confident with having it up for long periods of time and had no problems with it". They will offer a healthy amount of current on the 12v rail(s), so that your CPU and GPU can get what they need. Most builds will fall in between the previously mentioned extremes. Rating 4.5 out of 5 stars with 50 reviews, "Nice and quiet as well...Very nice power supply...works well while playing games or surfing net....I could have went cheaper, but bought it as a back up in case my 1200 watt psu goes bad that's in my main computer (windows 10)". It was recently discovered that the ATX design, with the power supply mounted at the top of the case, resulted in warm air being circulated over the motherboard and the other components. Browse the top-ranked list of Gaming Computer Power Supply below along with associated reviews and opinions. Sure, you might like to say you have a 1,200W power supply unit (PSU) in your system, … If a power supply you are shopping for is not on a tier list, it may be so new that it has not yet been reviewed, or too obscure to receive inclusion. Wattage and Efficiency. A 500 watt Tier 1 power supply could conceivably handle a high-end gaming PC, but you should not expect that to be true of a Tier 5 unit. Tier 2 power supplies are very high quality, but may not be capable of the insanely high performances and tolerances achieved by the units in Tier 1. Connectors. Comprehensive reviews from sites like JohnnyGuru can be incredibly an incredibly valuable source of information, but no single outlet has the time or resources to test everything. You may build a new gaming PC and have it run well for a month or two and then begin to experience hard reboots while playing your games. You will connect all of the leads that are required to use your PC, but you will often have cables that are not used, depending on your build. They deliver the proper amount of current to each component and continue to deliver power as the computer is being used. computer? If your system's maximum power consumption is 600 watts, you should get at least a 750W power supply. The smaller enclosure is great for fitting into smaller PC cases and in some of the newest models from Fractal Design that have a reduced depth.