Based on a SEGA SC-3000H Personal Computer from 1983, this case mod now features “a VIA Epia Nano-ITX NX15000G motherboard, with VIA C7 CPU running at 1.5GHz, VIA IGP, 1GB of RAM, and an 80GB Hitachi 2.5″ hard drive.” Video after the break.

He even managed to preserve the original Sega keyboard, with a bit of clever rewiring through using an X-keys matrix board.

[via Technabob]