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2. Power supply unit (computer) - Wikipedia

   en.wikipedia.org/wiki/Power_supply_unit_(computer)

   The first IBM PC power supply unit (PSU) supplied two main voltages: +5 V and +12 V. It supplied two other voltages, −5 V and −12 V, but with limited amounts of power. Most microchips of the time operated on 5 V power. Of the 63.5 W these PSUs could deliver, most of it was on this +5 V rail.

3. 80 Plus - Wikipedia

   en.wikipedia.org/wiki/80_Plus

   A heavily loaded power supply and the computer it is powering generate significant amounts of heat, which may raise the power supply temperature, which is likely to decrease its efficiency. Since power supplies are certified at room temperature, this effect is not taken into account. [5] [15] 80 Plus does not set efficiency targets for very low ...

4. be quiet! - Wikipedia

   en.wikipedia.org/wiki/Be_quiet!

   be quiet! BQT L7-350W ATX power supply unit. The main focus of be Quiet! PC power supply products is the ATX format. However, the brand now also produces power supplies for SFX and TFX systems. The power supplies manufactured cover a spectrum of power classes from 300W to 1600W, focusing on high-end PC components. [14]

5. Super Flower - Wikipedia

   en.wikipedia.org/wiki/Super_Flower

   In reviewing Super Flower's 1600W T2 Titanium rated in 2015, PSU review website JonnyGuru.com and TechPowerup both state that Titanium power supplies had such high specifications that only small number were listed at 80 Plus (18 in the first review and "very few" in the second), and of those, Super Flower accounted for a third of the Titanium ...

6. Switched-mode power supply - Wikipedia

   en.wikipedia.org/wiki/Switched-mode_power_supply

   Stand-alone switched-mode power supply An adjustable switched-mode power supply for laboratory use. A switched-mode power supply (SMPS), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.

7. Why is my computer so slow? - AOL

   www.aol.com/products/blog/why-is-my-computer-so-slow

   Faulty Hardware Components: Any malfunctioning hardware component, such as a faulty motherboard, power supply unit (PSU) or peripheral device (e.g., mouse, keyboard), can cause slow performance or ...