iUniker Raspberry Pi 4 8GB Max Kit, 64GB Edition, with 20W 5V 4.0A Raspberry Pi 4 Power Supply, 4K HDMI Cable, Raspberry Pi 4 Case with Fan (8GB RAM) : Amazon.in: Computers & Accessories
RASPBERRY PI 4B 4GB - Communica [Part No: RASPBERRY PI 4B 4GB]
The most powerful Raspberry Pi now has 8GB of RAM - The Verge
Raspberry Pi 4 Model B 4GB RAM
Amazon.com: Waveshare Accessory Compatible with Raspberry Pi 4 Model B 4GB RAM with Powerful Processor Faster Networking Support Dual 4K Output and Different Choice of RAM Comes with a Copper Heat Sink :