Dikushin Dmitry/Shutterstock It's not uncommon to find a tech enthusiast at a Goodwill or garage sale, looking to uncover rare, vintage, and undervalued gadgets at a steal. It's that last one in particular where some strike gold when the less tech-savvy let go of extremely valuable tech simply because they don't know what they have. Such was the case with a Redditor who goes by the name Sam_Under_Ice, who posted on Reddit that they bought an i7 desktop at Goodwill for $20. When they looked at what was inside, they discovered they had hit one of the biggest motherlodes for a tech find in 2026 — 64GB of DDR4 RAM. There was more inside the chassis, too. It contained an i7-12700K, which is a 12th-generation Intel CPU, with 12 cores and a clock speed of 3.6 GHz (up to 5GHz via Intel Turbo Boost Max). It offers good performance as a gaming machine or high-powered workstation. It also had a 1TB SATA HDD inside, which is  just one of the four types of hard drives . But the star of the show was the RAM.…