I think an i5-6500 will be better suited for a dedicated recording rig, but if you want an i3..
PCPartPicker part list:
http://pcpartpicker.com/p/CCsv6X
Price breakdown by merchant: http://pcpartpicker.com/p/CCsv6X/by_merchant/
CPU: Intel Core i3-6320 3.9GHz Dual-Core Processor ($147.88 @ Amazon)
Motherboard: Asus Asus Z170-P ATX LGA1151 Motherboard ($89.99 @ Newegg)
Memory: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2666 Memory ($67.99 @ Newegg)
Total: $305.86
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-05-29 06:56 EDT-0400
Faster ram will definitely help in offline compute tasks like recording and editing..
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