Lefty94

Hi, new here but hoping for some help Does anyone know what the difference between these two power supplies is? https://www.corsair.com/uk/en/Categories/Products/Power-Supply-Units/RMx-White-Series%E2%84%A2-RM750x-%E2%80%94-750-Watt-80-PLUS%C2%AE-Gold-Certified-Fully-Modular-PSU-%28UK%29/p/CP-9020155-UK and https://www.corsair.com/uk/en/Categories/Products/Power-Supply-Units/Power-Supply-Units-Advanced/RMx-Series-White/p/CP-9020187-UK And which should I go for? Thanks in advance