Quick Answer
A DDR5 build that keeps freezing is usually an unstable memory configuration - most often a too-aggressive EXPO/XMP profile, a kit not on the motherboard's QVL, or a BIOS that needs updating. Test by disabling EXPO and running MemTest86; if freezes stop, the profile or kit is the cause. A QVL-listed 32GB DDR5-6000 CL30 kit (around R1,400-R2,000 locally) and a current BIOS fix the large majority of DDR5 freezing issues.
EXPO and stability first
DDR5 memory often ships rated above the platform's guaranteed JEDEC speed, and EXPO/XMP applies those tighter timings. On AM5 or Intel, an aggressive profile or a borderline kit can cause freezes and crashes. Boot into BIOS, disable EXPO, and test - if the system is stable at the default 4800 MHz, the profile is the issue, and a QVL-listed kit run at 6000 CL30 is the fix.
BIOS and QVL
Early AM5 and Intel BIOS versions had DDR5 stability bugs that later AGESA updates resolved. Update to the latest BIOS before anything else. Then confirm your kit appears on the motherboard's QVL - a QVL-listed Corsair Vengeance 6000 CL30 or Kingston Fury Beast 6000 is far more likely to run its rated profile cleanly than an untested kit.
Other freeze causes to rule out
If RAM checks out, run a clean GPU driver install, verify the SSD's health in CrystalDiskInfo, and confirm CPU temps stay under 85 degrees. A failing boot drive or overheating chip can also freeze a system. But on a freshly built DDR5 PC, memory and BIOS are the prime suspects - test those first. All parts are stocked locally at Evetech.
FAQ
Why does my DDR5 build freeze?
Usually an unstable EXPO/XMP profile, a kit not on the QVL, or an outdated BIOS. Disable EXPO and run MemTest86 - if freezes stop, the memory profile is the cause.
Does EXPO cause freezing?
It can, if the profile is too aggressive for your CPU's memory controller or the kit is borderline. Update the BIOS and use a QVL-listed 6000 CL30 kit for reliable EXPO stability.
How do I test if my RAM is causing freezes?
Run MemTest86 overnight - even one error means unstable memory or profile. Also test with EXPO disabled; if the system is stable at the default speed, the rated profile or kit is the problem.
Update your motherboard BIOS, then run a QVL-listed 32GB DDR5-6000 CL30 kit from Evetech with EXPO enabled - that combination clears the large majority of DDR5 freezing issues.