Playstation 2 Expansion Bay Slot Cover x 2 OEM for Sony PS 2 "FAT Console" | eBay
Restored Sony PlayStation 2 PS2 Expansion Bay Back Cover (Refurbished) - Walmart.com
I put a Raspberry Pi into the expansion bay of the PS2, I unsoldered the unnecessary stuff and wired the PS2 USB to connect to the Pi. : r/RASPBERRY_PI_PROJECTS
PlayStation 2 SATA Hard Drive upgrade - 8Bitplus
PlayStation 2 PS2 SCPH-3000× Black Console Fat Model Housing Shell Case lable screws Replacement – kasynparts
Play PS2 ISO Games Off Your Hard Drive! (OpenPS2Loader) - YouTube