If this is your first time, I would suggest you go for a motherboard bundle, where you use your existing DVD,CDROm and hard drives, but the board is otherwise fully assembled.
I have used NOVATECH many times and the quality is good.
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?