PC requirements

Audiosurf System Requirements

Audiosurf needs at least 1.6 GHz Intel® Pentium® 4, 512 MB RAM and 32 MB NVIDIA GeForce® 2 (support for Pixel Shader 3.0 recommended) graphics.

Verified Sources: Steam store listing
Audiosurf minimum and recommended PC specifications
Component Minimum
Operating system Microsoft® Windows® XP/Vista
Processor 1.6 GHz Intel® Pentium® 4
Memory 512 MB RAM
Graphics 32 MB NVIDIA GeForce® 2 (support for Pixel Shader 3.0 recommended)
Not sure how your PC compares? Use the Can I Run It checker — pick your CPU and GPU and it tells you which column you land in.

Other platforms

Audiosurf is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Audiosurf on PC

Can my PC run Audiosurf?
Compare your CPU, GPU and RAM against the minimum column below. If your parts match or beat every minimum row, the game will launch — though you may need to lower settings. Matching the recommended column is what gets you 60fps at 1080p.
How much storage does Audiosurf need?
Storage requirements are not published for this title yet.