Glossary › Electronics › PSU
💻 Electronics term
PSU
Power supply unit: the part that powers a desktop PC. It needs enough wattage for all components, especially the graphics card.
Why it matters
A reliable power supply protects every other part of a PC, and an underpowered one can cause crashes.
🇸🇬 In Singapore
In Singapore, many household electrical items such as plugs and adaptors are Controlled Goods that must carry the SAFETY Mark. For any plug-in charger or adaptor, look for the mark and buy from reputable sellers.
Tips before you buy
- Use a wattage calculator for your parts.
- Leave headroom for future upgrades.
- Choose a reputable brand with a good efficiency rating.
Sources: Consumer Product Safety Office: Look for the SAFETY Mark