One of these supplies 4 3B+ and 2 Raspberry 4 boards with USB sticks, Z-sticks and other attachments. Great if you're mounting multiple Raspberry boards to DIN, but there's really no limit.
π‘ MEAN WELL RS-15-5: Single Output 5V 3A 15W AC to DC Power Supply - High Performance and Reliability
10 Review
π KMC 6-Outlet Surge Protector with 2 USB Ports: Reliable 980 Joules, 3.4A USB Output in Elegant White
10 Review
π MEAN WELL LRS-350-12 Switching Power Supply - 348W 12V Single Output for LED Projects (LRS Series 350W 12V, 29Amp)
11 Review
Heavy Duty 16 Outlet Power Strip W/ 15Ft Cord & Overload Circuit Breaker - ETL Listed For Workbench, Industrial, Shop, Commercial & Garage
29 Review