Pc upgrade suggestions?

[Serenity_3]

My friend is wanting to upgrade his CPU, mobo, and ram on a 400 dollar budget. Maybe a new psu

He needs a full size atx board and already has a gtx 950

Any suggestions? Thx

 

[Corwin65]

What does he currently have?

 

[Serenity_3]

He already has a case, gpu, and storage (ssd too)

 

[Serenity_3]

The case is atx size