[Review] 22 CPU Waterblocks tested - Roundup

[Church]

I wonder what can cause full nickel variety of HF to perform so much better then original one. I doubt it's just metallic top. Maybe closer spaced inlets also help? Afterall, insides should be same as plexi HF?
And original HF loosing to most blocks it won (XT/360/HK3) in Vapor's test? And showing more restriction then those unlike Vapor's test aswell? Is mount system same for full nickel and plexi? Maybe different mounting strength between them might cause drop of plexi HF performance? :/