PCPartPicker part list:
http://pcpartpicker.com/p/FvkWvK
Price breakdown by merchant: http://pcpartpicker.com/p/FvkWvK/by_merchant/
CPU: Intel Core i3-4160 3.6GHz Dual-Core Processor ($108.95 @ SuperBiiz)
Motherboard: ASRock Z97 Extreme3 ATX LGA1150 Motherboard ($85.98 @ Newegg)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($48.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($50.89 @ OutletPC)
Video Card: Gigabyte Radeon R9 280X 3GB Video Card
Case: NZXT Source 210 Window ATX Mid Tower Case ($34.99 @ Newegg)
Power Supply: EVGA SuperNOVA GS 550W 80+ Gold Certified Fully-Modular ATX Power Supply ($54.99 @ Newegg)
Total: $384.79
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-07-05 15:19 EDT-0400
Dont get the thermaltake smart PSU, It is really bad.
get 2 sticks of ram rather than 1
this motherboard is way better but not absolutely necessary.