What PSU do you need for an RTX 2070?
The RTX 2070 draws up to about 200W under full load. On its own that only tells half the story — your total system power (and so the PSU you need) depends just as much on your CPU, drives and cooling. This page sizes a supply for the RTX 2070 paired with a Ryzen 5 3600; if your parts differ, the calculator gives your exact number in seconds.
Paired with a Ryzen 5 3600, this build draws about 378W at peak (200W GPU + 88W CPU + system). A 700W unit runs it at ~54% load. Absolute minimum: 450W.
| GPU RTX 2070 / 2070 Super | 200W |
| CPU Ryzen 5 3600 | 88W |
| Motherboard + RAM + drives + fans Rest of system | 90W |
| Total peak draw | 378W |
Recommended power supplies
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FAQ
Is a 450W PSU enough for an RTX 2070?
It's the bare minimum, but we'd recommend 700W. This build peaks around 378W, and a 700W unit keeps it near 55% load — the efficiency sweet spot — with headroom for the GPU's transient spikes.
What efficiency rating should I get for an RTX 2070?
80+ Bronze or Gold. It's the best balance of price and efficiency for a build this size. Never pair a good GPU with a cheap unrated PSU.