Power Supply Units

A good PSU is vital because it delivers stable and clean power to all your computer components. A cheap or unreliable PSU can lead to system instability, crashes, reduced component lifespan, and even damage to expensive parts like your motherboard or graphic card. Investing in a quality PSU ensures optimal performance and protection for your entire system.

The ideal PSU wattage depends on your PC's components, especially the CPU and GPU. You can use online PSU wattage calculators by inputting your specific components. As a general guide, a basic office PC might need 300-450W, while a mid-range gaming PC could require 550-750W, and high-end systems often need 850W or more. It's always best to have a little headroom (10-20% extra wattage) for efficiency and future upgrades.

80 PLUS certifications indicate a PSU's energy efficiency. A higher certification (e.g., Gold, Platinum, Titanium) means the PSU converts more AC power from the wall into DC power for your PC, with less energy wasted as heat. This results in lower electricity bills, less heat generated inside your PC, and quieter operation. While Bronze is a good entry point, Gold or Platinum PSUs offer superior efficiency and are highly recommended for most builds.

This choice primarily affects cable management and aesthetics. Non-modular PSUs have all cables permanently attached, which can lead to clutter. Semi-modular PSUs have essential cables fixed (like the motherboard and CPU power), with others being detachable. Fully modular PSUs allow you to detach all cables, giving you the best control over cable management, improved airflow, and a cleaner build. While fully modular PSUs are often pricier, they offer significant benefits for PC builders.

Yes, certain brands have a strong reputation for reliability and quality in the global and local markets. Reputable PSU brands often include Corsair, Seasonic, EVGA, Cooler Master, be quiet!, and Antec. When purchasing from tudo.lk, you can browse a curated selection of trusted brands that offer good warranties and proven performance. Always check reviews and specific model details.