Raspberry Pi 4 gains 8GB RAM version and 64-bit Raspberry Pi OS
Raspberry Pi Ltd. has launched a version of the Raspberry Pi 4 with 8GB DDR4 for $75. It also released a beta of Raspbian -- now called Raspberry Pi OS -- with a 64-bit architecture that can fully exploit the 8GB RAM.
Raspberry Pi 4 Model B - 4G RAM - ElectroPeak
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It's official: Raspberry Pi goes 64-bit
Raspberry Pi - Wikipedia
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I built a Raspberry Pi 400 with 8GB of RAM. : r/raspberry_pi
Raspberry Pi 4 Model B - 4G RAM - ElectroPeak
Raspberry Pi 4 goes 8GB, and Raspberry Pi OS goes 64-bit!
Raspberry Pi 4 Model B - 4G RAM - ElectroPeak
It's official: Raspberry Pi OS goes 64-bit
The 8 GB Version of Raspberry Pi 4 is Now Available for Purchase