Half-Life Alyx: ideal SA build at R20,000

Quick Answer

The ideal R20,000 Half-Life Alyx build is a Ryzen 5 7600 with an RTX 4060 Ti or RX 7700 XT and 32GB DDR5. It drives Alyx at a stable 90fps for VR with room to supersample on sharper headsets. Note Alyx is VR-only, so budget a PC VR headset alongside the tower as an essential, separate cost.

What Makes This The Ideal R20,000 VR Mix

Alyx rewards a GPU with enough power to hold 90fps even as headset resolution climbs, so the build centres on an RTX 4060 Ti 8GB or RX 7700 XT 12GB with a Ryzen 5 7600 and 32GB DDR5-6000. The 32GB RAM helps with VR's overhead and any other modern games you play. The PC is the easy part; the headset is the essential companion purchase.

VR Frame Rate And Image Quality

VR comfort depends on a steady 90fps, which is demanding because the GPU renders two eye views at once. This build holds that in Alyx on high settings and has spare power to supersample for a crisper picture on higher-resolution headsets. Consistent frame timing, not peak fps, is what keeps long VR sessions comfortable.

Headset, Storage And SA Buying

Treat the PC VR headset as a core line item - the complete Alyx setup is the tower plus the headset. Alyx is a roughly 50GB install, so a 1TB NVMe is ample. Confirm current GPU stock before ordering; SA metro buyers can usually collect the PC same-day rather than wait on courier.

FAQ

What is the best R20,000 PC for Half-Life Alyx?

A Ryzen 5 7600 with an RTX 4060 Ti or RX 7700 XT and 32GB DDR5 is the ideal R20,000 Alyx build. It holds a stable 90fps in VR with headroom to supersample - but you also need a separate PC VR headset, since Alyx is VR-only.

How much GPU power does Half-Life Alyx need?

Enough to hold a steady 90fps while rendering two eye views, which is more demanding than flat-screen gaming. An RTX 4060 Ti or RX 7700 XT comfortably maintains that in Alyx on high settings with room to spare.

Is 32GB RAM useful for VR gaming?

Yes. VR adds runtime overhead and many players run overlays and background apps, so 32GB keeps the system smooth. It also future-proofs the build for other modern games beyond Alyx.