Amazon.com: Kaico Playstation 2 PS2 SATA HDD Hard Drive Adapter for Playstation Expansion Bay Port. Use with McBoot FMHD, OPL, GSM. SMS, HD Loader for Running CFW and ISO Direct from HD :
Install Hard Drive (HDD) In Playstation 2 (PS2) And Format - YouTube
How to Install PS2 Hard Drive and Set up OPL?
PS2 2.5" HDD & SSD converter/adapter/mount/caddy by RetroGameRevival | Download free STL model | Printables.com
PS2 Hard Drive Upgrade Guide - FAST & EASY Setup! - YouTube