Sufami Turbo + 3 Games - Nintendo Sfc Super Famicom – The Emporium RetroGames and Toys
Sufami Turbo - Super Nintendo/Super Famicom Accessory - VGCollect
Snes Central: Sufami Turbo
Graham Russell on Twitter: "The Sufami Turbo was an effort by Bandai to sell games more cheaply by offering a larger base cart and small-cart inserts that contained the actual game data.