Power supplies for deal hunters come down to one rule: never cheap out on the PSU, but do time your buy. The right move is to buy a quality 80+ Gold unit at the right wattage when it's at a good price, and skip the no-name bargains entirely.
Quick Answer
For deal hunters, buy a quality 80+ Gold PSU at the wattage your GPU needs, not the cheapest unit. A 650W 80+ Gold PSU (around R1,200 to R1,800 at Evetech) suits an RTX 4060 to 4070 build; a 750W to 850W unit (around R1,800 to R2,800) covers a 4070 Ti to 4080. Never gamble on a no-name PSU to save R300.
What To Buy Now
Buy a reputable 80+ Gold (or Bronze for budget builds) PSU sized to your GPU with headroom. A 650W unit handles an RTX 4060 or 4070; step to 750-850W for a 4070 Ti or 4080. A semi-modular or fully modular unit makes cable management easier. Buying a quality unit at a fair price protects every other component, so this is where deal-hunting means choosing the right unit on sale, not the cheapest unit on the shelf.
What To Skip
Skip no-name PSUs, no matter how cheap, since a failing unit can damage your GPU and motherboard, costing far more than you saved. Skip wildly overspecced wattage; a 1000W unit on a 4060 build wastes money. Skip non-80+-rated units, which waste power and run hot. The smart deal-hunter move is a known-good 80+ Gold unit at the right wattage when it drops in price, never a risky bargain that endangers the whole build.
FAQ
What PSU should a deal hunter buy?
A reputable 80+ Gold unit sized to your GPU, bought when it's at a good price, not the cheapest unit available. A 650W 80+ Gold PSU around R1,200 to R1,800 suits most mid-range gaming builds.
Is it safe to buy a cheap no-name PSU?
No. A failing no-name PSU can damage your GPU and motherboard, costing far more than the R300 you saved. The PSU protects every other part, so it's the one component never to gamble on.
How much wattage do I need?
Match it to your GPU with headroom: 650W for an RTX 4060 or 4070, 750-850W for a 4070 Ti or 4080. Overspeccing to 1000W on a mid-range build wastes money without benefit.
a known-good 80+ Gold PSU to drop in price rather than buying a no-name unit cheap. The quality unit on sale protects your whole build; the bargain risks every component in it.