Basically it's 1 stick of DDR5 + a matching fake module to look like you are running real 2 stick kit. There's also a 2+2 kit. More for people running glass panels and RGB rigs. Kind of sad.
videocardz.com
V-COLOR to launch 1+1 DDR5 memory kits with fillers, you can now fake it until RAMapocalypse ends - VideoCardz.com
V-COLOR says it is fine to run with one DDR5 module V-COLOR is preparing new DDR5 memory kits that pair one real DIMM with one RGB filler module, giving