The latest Raspberry Pi 3 Model B+, check out the upgrades.
Raspberry Pi 3B+ board Download Scientific Diagram
Raspberry Pi 4 vs Raspberry Pi 3 B+ vs Raspberry Pi 3 A+ vs Raspberry Pi Zero: Which Raspberry Pi Should You Buy
What can you buy for your next Raspberry Pi 3 project
SNES Pi Case for Raspberry Pi 3B+, 3B, 2B with LED, Fan
Raspberry Pi 4 v 3B+: first hands-on review!, by Andrew Webb, Learning by Making
Clear case for Raspberry Pi 4 only on SB Components Raspberry Pi 4 Protective Case – SB Components Ltd
New Raspberry Pi 3 Model B+ Board (3B+) /Raspberry PI 3B+ (1GB) (3B Plus) - AliExpress
Case Raspberry Pi 3B+/3B/2B on rail DIN* Botland - Robotic Shop
The new Raspberry Pi 4B Functional Comparison to the Pi 3B+ - Another Teaching Moment, DigiKey Electronics
Banana Pi vs Raspberry Pi 3 B+: The Differences
New! DeskPi Lite for Raspberry Pi 3B/3B+, With Power Button/ Heatsink – DeskPi Store
Raspberry Pi 4 vs Raspberry Pi 3B+ — The MagPi magazine