psu-calc template
Best GPU upgrade for 4K gaming
Move to 4K with a verified compatibility-aware GPU route.
A PSU calculator that includes transient spikes, not just TDP.
GPU focus Compatibility-checked Free · no signup
How your plan is built
- 1
Sum the parts
CPU + GPU + RAM + storage power draw, with transient spikes.
- 2
Apply efficiency
80 Plus efficiency curve at expected load.
- 3
Recommend PSU
Headroom of ~25% so the unit isn’t running at 100%.
Right-size your PSU, before the GPU lands
Sliders below mirror typical system draws. The right column is your recommended PSU rating with headroom.
Get this plan built around your exact PC.
Start the intake with what you know — PCLift flags what still needs checking and shows the net cost after resale.