Power Supplies for new PC builders should be shortlisted around the job it must do. South African buyers should compare fit, performance, compatibility, and upgrade room, warranty path, and upgrade room before treating any pick as best.
For new PC builders, the power supply is the component most likely to be misunderstood and most dangerous to skimp on, since a poor unit can stress or damage everything else. Getting compatibility, wattage, warranty and upgrade headroom right from the start saves SA builders from the costliest kind of mistake.
For a new build, choose an 80 Plus-rated power supply with enough wattage and a long warranty: a quality 650W to 750W unit around R1,200 to R2,000 covers most mid-range builds with an RTX 4060 or RX 7600. Pick a reputable brand with a 5 to 10-year warranty and leave headroom for a future GPU. Never cut costs on the PSU that feeds the whole system.
Size the power supply to your components plus headroom. A mid-range build with an RTX 4060 and Ryzen 5 7600 draws around 350 to 450W under load, so a 650W unit is comfortable and a 750W unit leaves room for a future GPU upgrade. Buying a quality 650W to 750W PSU around R1,200 to R2,000 now means a later jump to a more powerful card does not force a PSU replacement. Undersizing the unit risks instability under load, so favour sensible headroom over the bare minimum.
New builders should check connector and clearance compatibility. Recent GPUs may use a 12VHPWR or 12V-2x6 connector, so confirm your PSU includes the right cable or adapter. Verify the PSU length fits your case, especially in compact builds, and that it has the PCIe and CPU power connectors your parts need. A modular or semi-modular unit also makes cable management cleaner, which improves airflow. Getting these compatibility details right avoids a frustrating moment mid-build when a cable does not reach or fit.
The power supply is the one component where brand reputation and warranty genuinely matter, because a failing cheap unit can damage other parts. Choose a reputable brand with an 80 Plus efficiency rating and a 5 to 10-year warranty, which signals the maker's confidence in the unit's longevity. A long warranty also protects your investment over the life of the build. Spending a sensible amount on a trusted PSU is the cheapest insurance you can buy for the expensive components it powers.
Size it to your parts plus headroom. A mid-range build with an RTX 4060 draws 350 to 450W, so a quality 650W to 750W unit around R1,200 to R2,000 is comfortable and leaves room for a future GPU.
Confirm it has the PCIe and CPU connectors your parts need, including any 12VHPWR cable for recent GPUs, and that it physically fits your case. A modular unit also makes cable management and airflow cleaner.
A failing cheap PSU can damage other components, so a reputable brand with a 5 to 10-year warranty signals durability and protects your investment. The PSU is the one part where cutting costs is a false economy.
Pick a reputable 80 Plus 650W to 750W power supply with a long warranty and the right GPU connectors; choose one at Evetech with headroom for a future card so the whole build stays safe and stable.
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