From the outside, it appears that GMKtec wants to make a NUC for every subtle market slice, and the new NucBox M5 Plus ...
In terms of speed, we'd say the sweet spot to aim for is around the 3,500MHz mark for DDR4. For DDR5, we'd say to aim for 5,000MHz and above, to really get your money's worth.
Siflower SF21H8898 specifications: CPU – Quad-core 64-bit RISC-V processor at up to 1.25 GHz Cache 32KB L1 I-Cache and 32KB L1 D-Cache per core Shared 256 KB L2 cache Memory – Up to 2GB 16-bit DDR3/3L ...