No reason to buy a prebuilt for gaming. You'll end up paying much more than necessary and end up with an overpowered CPU, underpowered GPU, more RAM than you'll ever use, and a disappointing gaming experience.
PCPartPicker part list / Price breakdown by merchant
| Type | Item | Price |
|---|---|---|
| CPU | Intel Core i3-4160 3.6GHz Dual-Core Processor | $102.99 @ SuperBiiz |
| Motherboard | ASRock H97M Anniversary Micro ATX LGA1150 Motherboard | $67.89 @ OutletPC |
| Memory | Kingston HyperX Fury Blue 8GB (2 x 4GB) DDR3-1333 Memory | $41.99 @ SuperBiiz |
| Storage | PNY CS1111 120GB 2.5" Solid State Drive | $51.97 @ Amazon |
| Storage | Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive | $46.89 @ OutletPC |
| Video Card | PowerColor Radeon R7 370 2GB PCS+ Video Card | $143.98 @ Newegg |
| Case | Fractal Design Core 1500 MicroATX Mini Tower Case | $44.99 @ NCIX US |
| Power Supply | Corsair CSM 450W 80+ Gold Certified Semi-Modular ATX Power Supply | $56.99 @ Newegg |
| Operating System | Microsoft Windows 8.1 OEM (64-bit) | $88.88 @ NCIX US |
| Prices include shipping, taxes, rebates, and discounts | ||
| Total | $646.57 | |
| Generated by PCPartPicker 2015-07-30 23:09 EDT-0400 |
Assembling the Components
LinusTechTips has some good build guides,
as well as NZXT (https://www.reddit.com/r/buildapc/comments/2oblwp/nzxt_made_a_website_and_video_series_on_how_to/).