I have this build, what would you upgrade.
- CPU Intel Core i5-4670K 3.4GHz Quad-Core Processor
- CPU Cooler Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler
- Motherboard Gigabyte GA-H87M-HD3 Micro ATX LGA1150 Motherboard
- Memory Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory
- Storage Toshiba 3TB 3.5" 7200RPM Internal Hard Drive
- Video Card Gigabyte GeForce GTX 660 2GB Video Card
- Case Cooler Master Elite 431 Plus (Black) ATX Mid Tower Case
- Power Supply Corsair CX 600W 80+ Bronze Certified Semi-Modular ATX Power Supply