Hey guys, I need an idea of a rig I plan on assembling. Your thoughts are much appreciated

[Budget] 2000-3000

[Purpose] Gaming (Dota2, The Witcher 3, COD and future games [doesnt have to be in highest graphics quality, but at least average]) & 3D CAD

[Hardwares that will be re-use] None

[Monitor resolution] Require.

[Games & softwares that use frequently] Dota 2, COD, Dragon Age inquisition, 3D CAD designing

[Personal preferences] Just mainly for hardcore gaming in the future. Stopped as my laptop hasnt been able to perform after 4 years of service.

[Location] PJ, Selangor

Personal Question, do recommend which internet wireless card and also a sound card. Sound card as Im an audiophile (beginner) but im not sure if it does play a difference in the sound quality played on more expensive cards.
Sorry if the question seem silly Do advice!

Thank you very much!

Hey, thanks for the help. I have another question upon the Intel chips. What's the major diff between Intel Core i5 6400 and Intel Corei i5 4460? From what I saw online, both are of the same price (Took from intel website) however, i5 4460 has a process base frequency of 3.4GHz while i5 6400 has a process base frequency of only 2.7 GHz. Why did you choose 6400 over 4460? Thank you