When it comes to inexpensive project PCs, the Raspberry Pi 3 Model B+ is cheap, capable and better than ever.
Raspberry Pi 3: Specs, benchmarks & testing — The MagPi magazine
Raspberry Pi 3 Model B+ review: Hands-on with the new board
Raspberry Pi 3 Model B+ Benchmarks Review - Phoronix
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Raspberry Pi 3 Model B+ Benchmarks Review - Phoronix
What is the Raspberry Pi 3? Everything you need to know about the tiny, low-cost computer
Raspberry Pi 3 Model B+ review: New Pi gets a welcome performance hike
Raspberry Pi 3 Model B+ review: Hands-on with the new board
Raspberry Pi 3 B+ Review and Performance Comparison
Raspberry Pi Heat Sink Science: Does the Raspberry Pi 3 Model B need a heat sink?
Benchmarking the Raspberry Pi 3 A+, by Gareth Halfacree
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Raspberry Pi 4 vs Raspberry Pi 3B+ — The MagPi magazine