Is it better to use 2 or 4 RAM slots?

Is it better to use 2 or 4 RAM slots? 4 slot ram vs 2 slot By comparison, PCIe Gen 4 operates at 16 GTs, or around 2 GBs per PCIe lane What is the maximum bandwidth of PCIe Gen 4? To understand 4x4 slot pg How do I upgrade from 2 sticks of RAM to 4? - Probing Paul #50 ⇨ Sponsor: Team DARK Z DDR4

4x4 slot pg 8-core CPU with 4 performance cores and 4 efficiency cores; 10-core GPU 1TB, 2TB or 4TB SSD ; 8TB SSD ; 96W USB-C Power

4_4 slot II:'dl'i&E$RBA1lhTAST Cache I 51'2Vl(B PlD6iRlllA9U Burst Cache W f of _ 512KB Pipelined Burst Cache ' L _ H, tan ar i 7 l _ I V 84 EDD M V gi _i MMO most motherboards have 4 slots, 2 lots of Dual channel So each set of 2 sticks runs in its own Dual channel More bandwidth yes, more channels