Internal IDE hdd WITH gdrom drive, also dual bios and VGA!! - Dreamcast -Talk.com
I might as well jump on the bandwagon and show off my Dreamcast collection too : r/dreamcast
gdrom hdd mod2 – Sega Dreamcast IDE / G1-ATA mod
DreamPort - Dreamcast Bluetooth & PSU
Dreamcast 2.5 IDE Hard Drive Mod Showcase! Self Powered / Dreamshell - YouTube
Dreamcast gets HDD support thanks to modders » SEGAbits - #1 Source for SEGA News
PC Wizard on Twitter: "Just about finished with my latest project... a plug-and-play Dreamcast hard drive adapter! :-) https://t.co/oHU9O2q6Iw" / Twitter