What is your budget?
10K - 15k
What is your existing hardware configuration (component name - component brand and model)
CPU - Intel i5 3470
Motherboard - Asus lga 1155
GPU - none
RAM - 4x1 Gb
Monitor - Asus 1080p 60hz
PSU - 300W no idea about brand
(please mention the rest in above format)...