How much should a gaming PC cost? Start with the monitor, not the number

In a gaming PC, the graphics card is the single most expensive component, usually somewhere between a third and just under half of the whole machine. The processor comes next, then the motherboard, memory, storage, power supply and case make up the rest. That is why a build quote rises and falls almost entirely with the GPU, and why the GPU is the one line you should never accept as a vague description.

The second thing to understand is that cost is not linear with performance. Moving up one tier of graphics card typically costs noticeably more than the last step, for a frame-rate gain that gets smaller each time. The best-value build is almost never the fastest one; it is the one where the parts are matched to each other and to your screen, with no component so far ahead of the others that it sits idle.

This is the step most buyers skip, and it is the one that decides whether a machine feels expensive or feels like a bargain. A 1080p 60Hz screen cannot show the difference between a mid-range and a flagship card, so the money spent above it is invisible. A 1440p high-refresh screen, on the other hand, will make a mid-range card feel weak within a year.

A fair quote lists every part by its actual model and price, then the build labor separately. That structure is not a formality: it is what lets you check the parts yourself, compare two quotes honestly, and see what a change would actually cost.

The parts that hold their value worst are exactly the parts that matter most, which is the whole reason a rebuild exists. A tested used graphics card and processor deliver the same frame rates as the new equivalents for a fraction of the money, and the two parts most likely to fail, or to take the rest of the machine with them, stay new: the power supply and the SSD.

That is the trade, stated plainly. A rebuild is not the right choice for someone who wants the longest possible service life and full manufacturer warranties on every part. It is the right choice for someone who wants to spend the difference on games instead, and who is happy that the used parts are covered by the shop's 90-day warranty rather than the manufacturer's.

Three parts cost a little more up front and a lot less over the life of the machine. The power supply, because a cheap one can fail and take the board and drives with it. The SSD, because a small one fills up and a slow one makes a fast machine feel old. And cooling, because a build that throttles is a build that never reaches the performance you paid for.

Everything else can be sized to the budget without regret. Case, fans, lighting and even the motherboard chipset are the places to trim before the three above.