Super Famicom SUFAMI TURBO Nintendo Cartridge Only sfc 4902425528724 | eBay
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.
SamVSsami's Content - HyperSpin Forum
Bandai Sufami Turbo Games A to Z - Super Famicom Add-On - Launchbox & Hyperspin Arcade - YouTube