Used the Raspberry Pi Cana kit from CPE390. This is the raspberry pi 4 with 4GB of ram. It comes with all components shown in the picture like, heat sinks, fan, case, and power supply.
Components:
Raspberry Pi 4 4GB Model B with 1.5GHz 64-bit quad-core CPU (4GB of RAM)
32GB Samsung EVO+ Micro SD Card (Class 10) Pre-loaded with NOOBS, USB MicroSD Card Reader
CanaKit Premium High-Gloss Raspberry Pi 4 Case with Integrated Fan Mount, CanaKit Low Noise Bearing System Fan
CanaKit 3.5A USB-C Raspberry Pi 4 Power Supply (US Plug) with Noise Filter, Set of Heat Sinks, Micro HDMI to HDMI Cable - 6 foot (Supports up to 4K 60p)
CanaKit USB-C PiSwitch (On/Off Power Switch for Raspberry Pi 4)