Something about the information from Digitec about this RAM is not right. According to Digitec, it should be DDR4-2133, which is rather slow by now and explains the low price. According to the manufacturer's no. BL2K16G30C15U4B, however, it should be DDR4-3000. https://www.crucial.com/memory/ddr4/bl2k16g30c15u4b For an AMD Ryzen, for example, it should be at least DDR4-3200.

What this means is on the Digitec page in the specification list in the line manufacturer no.

r = 255, b = 255, g = 255 or as hex: ff ff ff