Here’s a build idea. I tried to balance performance, price and size. This build can connect to your Paca/rana over ethernet or the case is big enough to accommodate a syba or siig firewire card.
https://pcpartpicker.com/list/GWdzsk
PCPartPicker Part List: https://pcpartpicker.com/list/GWdzsk
CPU: AMD Ryzen 3 3200G 3.6 GHz Quad-Core Processor ($94.99 @ Amazon)
CPU Cooler: Noctua NH-L9x65 33.84 CFM CPU Cooler ($49.95 @ Amazon)
Motherboard: ASRock Fatal1ty B450 Gaming-ITX/ac Mini ITX AM4 Motherboard ($153.46 @ Amazon)
Memory: G.Skill 16 GB (2 x 8 GB) DDR4-2133 Memory ($64.99 @ Newegg)
Storage: Samsung 860 Evo 250 GB M.2-2280 Solid State Drive ($67.93 @ Amazon)
Storage: Seagate Barracuda 1 TB 3.5″ 7200RPM Internal Hard Drive ($39.88 @ Amazon)
Case: Cooler Master Elite 120 Advanced (White) Mini ITX Tower Case
Power Supply: SeaSonic 350 W 80+ Gold Certified Fully Modular TFX Power Supply
Total: $471.20
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2020-04-29 00:43 EDT-0400