To start with, 16GB of RAM is generally sufficient for most gaming and productivity tasks, providing a good balance of performance and cost-effectiveness. However, if you're into heavy multitasking, content creation, or gaming at higher resolutions, consider 32GB for future-proofing. As for DDR4 vs. DDR5, currently, DDR4 is the mainstream option for most PCs, offering good performance and compatibility with current systems. If you're building a new system and have access to DDR5-compatible hardware, DDR5 may offer better performance and efficiency, but DDR4 remains a solid choice for most builds due to its widespread availability and compatibility. Check out our selection: