The Raspberry Pi 4 Model B 8GB has the most memory of the Pi 4 versions. Its 8GB of RAM makes this version great for things like a web or database server, to run virtual machines on, or to create RAM disks for super-fast data access.
To make use of the 8GB it is important that you install a 64-bit OS. A 32-bit OS can utilize up to 4GB of RAM.
It has a 64-bit quad-core Cortex A-72(ARM v8) processor at 1.5GHz, 4K support on 2 micro HDMI outputs, USB 3.0, dual-band WiFi (2.4GHz & 5GHz), Bluetooth 5.0/BLE, 1GB Ethernet and PoE (Power over Ethernet) using a separately available PoE HAT.
The Raspberry Pi 4 is available in the following versions:
The Raspberry Pi 4 uses a USB-C power supply (black or white) and has microHDMI video output (see our cables) Accessories for your old Raspberry Pi you cannot use.
Please use the latest available version of Raspberry Pi OS.