Raspberry Pi from USB with an SSD hard drive (or pendrive)

Booting our Raspberry Pi 4 from USB is already possible, with any SSD or Pendrive hard drive, if you follow this mini tutorial to the letter

Attach USB storage to your Raspberry Pi

Raspberry Pi Storage Benchmarks + Benchmarking Script

How to Boot Raspberry Pi 4 / 400 From an SSD or Flash Drive

The X820 V3.0 Version SATA HDD/SSD storage expansion board provides an complete storage solution for your Raspberry Pi.It only support 2.5 inch SATA

Raspberry Pi 3B+/3B X820 V3.0 USB 3.0 2.5

Raspberry Pi Storage: How To Choose Between SD Card and USB

Raspberry Pi 3 With Bootable SSD Drive : 10 Steps - Instructables

Raspberry Pi: Adding an SSD drive to the Pi-Desktop kit

Best Working SSD / Storage Adapters - Raspberry Pi 4 / 400

Raspberry Pi USB Boot - UASP, TRIM, and performance

Raspberry Pi: Set Up USB Boot Using a Stick or SSD Hard Drive