The Foundation CPU block is the extreme performance, ultra-quality CPU block for the latest AMD Ryzen CPUs. Made for Zen 4 7000 series CPUs (socket AM5) and older generations.
Optimus Waterblock, Page 725
Optimus watercooling, has anyone used their products?, [H]ard
Intel® i9-9900KS Optimus Build Sweepstakes
Optimus CPU water block for AMD Ryzen 7950x and 7000 series CPUs (Zen 4 generation, AM5 socket).
Foundation CPU Block - AMD (AM5, AM4)
Optimus Waterblock, Page 725
Optimus Foundation CPU Block - Acrylic - Satin Aluminum - Nickel - AMD
Water blocks, CPU Water Blocks
Optimus sig v2 : r/watercooling
Optimus Foundation CPU Block (Intel) Review
Silver & White No RGB Build »
Review: Liquid Cooling with a TechN waterblock (Page 4)