Quick Answer

Yes — overkill, with huge headroom. The RTX 4070 Super (12GB) draws about 220W (total board power), and a 1500W PSU is more than enough for it. With a mainstream CPU, the full system stays well under 1500W, leaving comfortable headroom.

RTX 4070 Super Power Draw and the 1500W Question

The RTX 4070 Super has a rated board power of roughly 220W. Nvidia recommends a 650W system PSU for a complete build, which accounts for the CPU, drives, fans and power spikes. A 1500W unit is more than enough against that guideline, so on power alone it is an excellent match with generous headroom.

Headroom With a Real Build

A typical SA gaming build pairs the RTX 4070 Super with a mainstream CPU (a Ryzen 7 7700 or Core i5-13600K pulls roughly 90-150W under load), plus an SSD, RAM and fans adding another 30-50W. Add the 220W GPU and the whole system sits well under 1500W in most cases. That leaves plenty of headroom for overclocking, future upgrades and transient power spikes. Modern GPUs also have brief power spikes, so a quality unit with stable rails matters as much as the raw wattage.

What to Check Before Buying in SA

Beyond wattage, confirm the PSU has the right connector for the RTX 4070 Super: it needs a 12VHPWR or 2x 8-pin adapter. Buy an 80+ Bronze or better unit from a reputable brand rather than the cheapest no-name option, since rail stability protects your components. At Evetech, quality 1500W units are stocked alongside the RTX 4070 Super, so you can match the card to a PSU with the correct cables in one build.

FAQ

Is a 1500W PSU enough for the RTX 4070 Super?

Yes, comfortably. A 1500W PSU exceeds Nvidia's 650W recommendation for the RTX 4070 Super, leaving generous headroom for the CPU, drives and power spikes.

What PSU does Nvidia recommend for the RTX 4070 Super?

Nvidia recommends a 650W system PSU for a full RTX 4070 Super build. That figure includes the CPU, drives and headroom for power spikes, not just the 220W card.

What power connector does the RTX 4070 Super use?

The RTX 4070 Super uses a 12VHPWR or 2x 8-pin adapter. Make sure your PSU includes the right cable, or use the adapter that ships with the card, before finalising the build.

TIP

Pro Tip

Match the RTX 4070 Super to a quality 80+ Bronze or better 1500W unit with the correct 12VHPWR or 2x 8-pin adapter; stable rails matter as much as raw wattage for modern GPUs with power spikes.