The MSI has a 5 year warranty, the Corsair CV has 3 years. From what I know of PSU's they both have a similar modern style of internal design DC to DC.
I'd take 5 years warranty over 3, given the same price.
Please list the specs to your build like so:
CPU:
CPU cooler:
Motherboard:
Ram:
SSD/HDD:
GPU:
Chassis:
include case fans and any other peripherals that you'll be pairing with your build.