GTA 6 Crashing Due to Power Supply: Fix

GTA 6 is one of the most demanding titles to hit PC, and a crashing system is one of the most frustrating experiences a SA gamer can face - especially when you're deep into a session. Power supply failures are among the most common causes of sudden crashes and shutdowns under gaming load, and diagnosing them correctly can save you hours of troubleshooting.

Quick Answer

GTA 6 crashing due to a power supply issue is usually caused by an underpowered or failing PSU unable to sustain peak GPU and CPU draw during intensive scenes. Upgrading to a higher-wattage, reputable PSU or reseating power cables typically resolves the problem.

Diagnose the PSU as the Culprit 🔧

Before replacing anything, confirm the PSU is the source of your crashes. Common symptoms of PSU-induced GTA 6 crashes include sudden black screens without a BSOD, the system powering off completely rather than freezing, and instability specifically during graphically heavy scenes like dense city areas or explosions. Run a stress test using a tool like OCCT's PSU test or Prime95 combined with FurMark simultaneously - if the system shuts down within minutes, the PSU is almost certainly struggling. Check your PSU's rated wattage against your system's actual draw: an RTX 4070 paired with a Ryzen 7 or Core i7 can easily pull 450W–500W at peak. A cheap 500W unit with poor efficiency will fall over under that load.

Also inspect your PCIe power cables. Loose 8-pin or 12VHPWR connectors - especially on high-end GPUs - can cause exactly the intermittent crashes GTA 6 is known to trigger.

How to Fix PSU Crashes in GTA 6 💡

Start with the free fixes: reseat all power connectors going to your GPU and motherboard, clear dust from the PSU fan and vents, and ensure the PSU's voltage selector (if present) is set correctly for SA's 220V supply. If crashes persist, the PSU needs to be evaluated or replaced. For GTA 6 on mid-to-high-end hardware, a minimum of 750W from a reputable brand with an 80+ Gold rating is the safe threshold. Systems running an RTX 4080 or 4090 should budget for 850W–1000W. When buying a replacement locally, factor in that SA import costs and VAT push PSU prices higher than international markets - quality units start around R1,800–R2,500 for 750W 80+ Gold options.

You can browse quality power supplies at Evetech to find units sized correctly for your build.

Frequently Asked Questions ❓

Q: Can a PSU cause GTA 6 to crash without fully shutting down the PC? A: Yes - a struggling PSU can cause GPU power instability that manifests as driver crashes or game exits without a full system shutdown. This is less obvious but still a PSU symptom.

Q: What wattage PSU do I need for GTA 6 on an RTX 4070? A: A 750W 80+ Gold PSU is the recommended minimum for an RTX 4070 paired with a modern CPU, giving enough headroom for GTA 6's peak demand spikes.

Q: Will a cheap PSU damage my other components? A: Yes, potentially. An unstable PSU can deliver voltage spikes that degrade or permanently damage your GPU, CPU, and motherboard over time - a quality PSU protects your entire investment.

Evetech stocks GTA V Gaming PCs and All Power Supplies — shop online with fast delivery across South Africa.