>>13,14You can build much more powerful stuff with 400$
PCPartPicker part list:
https://pcpartpicker.com/list/8sQWcYPrice breakdown by merchant:
https://pcpartpicker.com/list/8sQWcY/by_merchant/CPU: Intel - Celeron G3930 2.9GHz Dual-Core Processor ($36.49 @ OutletPC)
CPU Cooler: ARCTIC - Alpine 11 - Passive Fanless CPU Cooler ($12.30 @ Amazon)
Motherboard: MSI - B250M PRO-VD Micro ATX LGA1151 Motherboard ($40.99 @ B&H)
Memory: Mushkin - Essentials 8GB (1 x 8GB) DDR4-2133 Memory ($76.92 @ Newegg Marketplace)
Storage: Inland - 240GB 2.5" Solid State Drive ($45.99 @ Amazon)
Video Card: PowerColor - Radeon RX 560 - 896 4GB Video Card ($133.98 @ Newegg)
Case: DIYPC - P48-W ATX Mid Tower Case ($22.98 @ Newegg)
Power Supply: Corsair - CX (2017) 550W 80+ Bronze Certified ATX Power Supply ($29.99 @ Newegg)
Total: $399.64