This initial inquiry aims to deepen your knowledge about RAM. You have a CPU and motherboard that work with dual-channel DDR5 (four slots). You're considering a 32GB configuration. Is it reasonable to double the size to 8GB? You've heard that doing so could lead to significant issues, and some 8GB DDR5 modules aren't genuine DDR5. It seems most DDR5 sticks are actually dual-channel. If that's the case, would using two 16GB sticks be equivalent to one 32GB stick? Also, your questions about CPU compatibility, memory speeds, and other considerations are important. You've put in a good effort researching this topic.
You can't run at full RAM speed with four slots since the memory controller isn't powerful enough for that. Stick with two slots for regular CPUs. Two 16GB sticks still perform better than one 32GB because they provide more bandwidth. The 4800MHz figure is just the official number, but in real life it's closer to 6000MHz. This is ideal for Intel 13th gen and AMD processors before the controller slows down, which hurts performance. Newer Intel 200 series CPUs handle much higher speeds without that slowdown. The CAS Latency is mainly affected by your RAM type—lower latency means better speed. A 6000MHz CL30 is optimal for most systems. Also think about RAM height; it should not block the CPU cooler, which usually matters more with tall towers and large coolers.
DDR5 features two CA-buses, one for each 32-bit subchannel, which boosts bandwidth but relies on just one CPU channel. Performance can occasionally be inconsistent, especially when using four DIMMs together. It might not reach maximum speed in all scenarios. It remains a viable choice if the cost of four 8GB modules is more affordable and you're okay with reduced throughput.
You're aiming to sidestep the usual 4x8GB setup. Using four DDR5 DIMMs isn't straightforward and often doesn't deliver consistent performance. The smaller 8GB modules are harder to integrate reliably at stable speeds. For a better balance, stick with two 16GB sticks instead of mixing sizes. With DDR5, they've optimized channels into dual paths, improving scheduling efficiency by allowing simultaneous memory commands. Most boards are actually quad-channel, not single-channel setups. The base speeds are mainly for warranty assurances; real performance hinges on the memory type. For example, a 7200 CL34 offers slightly lower latency than a 6000 CL32 even though the latter has more capacity.
8GB DDR5 modules often contain only four chips and offer 16Gbit density, yet they lag behind those with eight chips. It doesn’t make sense to purchase such small sticks—they’ll become ineffective within a few years. If your budget is limited, buying 32GB isn’t feasible, and you might be selecting the wrong components. For instance, opting for the 14100F instead of the 12100F usually saves money, while the 12400F often delivers better performance at a similar cost. The motherboard model you’re using matters too; OEM boards with fixed frequencies differ from regular ones that support XMP/EXPO. Generally, sticks with a 4800 base speed are gaming-focused and built for XMP/EXPO, so it’s important to understand this before buying.
There’s a lot of details here presented in various ways, so let's go through it step by step. The insights from @MiszS and @RONOTHAN## are clear, concise, and thorough. Additionally, Ronothan is part of a pair of RAM enthusiasts on the forum, which is something I’ve never encountered before—two experts discussing RAM alone.
You have the freedom to purchase whatever suits your needs. This motherboard allows memory setup and overclocking via XMP, so you don’t need to buy generic JEDEC memory. In fact, I suggest avoiding it unless you really need stock memory. Over time, 4800/5200 configurations may be seen as outdated and could affect how easily you can repurpose your system later. If you prefer running at stock speeds, a more recent kit is still a smart choice—just because the price difference is small and for future flexibility.