I turned a Raspberry Pi 5 into a real SSD-powered PC for less than $200

PCWorld demonstrates building a high-performance Raspberry Pi 5 computer with NVMe SSD storage for under $200, requiring the 8GB Pi 5, M.2 HAT, and compatible power supply. The SSD upgrade via PCI ...
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Enthusiast rebuilds AA-battery-powered PC, sextuples run time to 30 minutes with 64 batteries

YouTube creator ScuffedBits re-did their experiment and was able to eke out 30 minutes of game time (and a benchmarking session!) while running their desktop PC on 64 AA batteries.