Flight simulation hardware plan: when DDR5 RAM kits matter and when they do

Quick Answer

For flight simulation, DDR5 RAM matters a lot: modern sims stream huge scenery datasets, so 32GB DDR5-6000 (around R1,400-R1,900 at Evetech) is the kit that keeps stutters away. 16GB is the bare minimum and will choke over dense airports.

When DDR5 capacity matters for flight sims

Flight sims are unusually RAM-hungry because they cache terrain, autogen buildings, and AI traffic. On 16GB you will see stutter and texture pop-in flying into a busy hub like OR Tambo. A 32GB DDR5-6000 CL30 kit holds the scenery cache comfortably, smoothing frame pacing at 1440p where a sim typically runs 45-60 fps on an RTX 4060 Ti class GPU. This is the most cost-effective smoothness upgrade you can make.

When it does not matter

For older or lighter sims on default scenery, 16GB DDR5 still copes. Beyond 32GB you gain nothing unless you load enormous third-party photo-scenery packs, in which case 64GB becomes a niche justification.

Speed and platform notes

On AM5, run DDR5-6000 CL30 with EXPO for the best stability; faster 7200 kits add only 1-3 fps in sims and cost noticeably more.

FAQ

How much RAM does a modern flight sim need?

16GB runs it but stutters at dense airports. 32GB DDR5-6000 is the recommended kit for smooth scenery streaming at around R1,400-R1,900.

Does RAM speed matter in flight sims?

Capacity matters more than speed. Going 16GB to 32GB removes stutter; going 6000 to 7200 adds only a couple of fps.

Is 64GB overkill for flight simming?

For most pilots, yes. 64GB only helps with heavy photo-scenery and add-on aircraft stacks; 32GB is the right buy for almost everyone.

SA buyer notes

Buy your kit locally so the RAM carries in-country warranty and is matched to your board's QVL. A 32GB DDR5-6000 kit at around R1,400-R1,900 is the practical floor for serious simming; only step to 64GB if you stack heavy third-party scenery and add-on aircraft.