Right tools: ORIA Magnetic Screwdriver set ($18 at Amazon).A second hard drive: Seagate Firecuda 1TB ($63 at Amazon).The right cable: AmazonBasics miniDP to DP ($11 at Amazon).Blowing cobwebs: Canned air ($11 at Newegg).More memory: Crucial 16GB RAM kit ($90 at Amazon).New storage: Kingston 480GB SSD ($56 at Amazon).Here we'll walk you through breathing new life into your old Mac for not a lot of money. It remains Apple's last properly upgradeable Mac Mini, and even in 2020 can be a pretty handy little computer with the right bits inside. The 2012 Mac Mini held a special place in many hearts thanks to how easy it was to upgrade.
