hey. you have been confused between what is known as an m.2 SSD. an m.2 SSD is an SSD that slots directly into the motherboard
kinda like how a graphics card would View: https://www.youtube.com/watch?v=NCIqZjo34rw&t=20s
the wd blue ssd is a normal 2.5" ssd that would connect via cable
View: https://www.youtube.com/watch?v=8JOxKSkkdMM
. m.2 ssd's are faster and you will see improved boot times from it but is also more expensive. i hoped this helped, do some quick research on youtube to better understand what the difference between an m.2 ssd and a 2.5" ssd is =)
as i said, both of these SSD's are compatible with your motherboard
see video above for installation