ACTION +8M Memory: gold finger card 8M expansion memory cardAllow edit accumulated fund, experience, life etc. Games save feature must be enhanced prior to game start not during game play (For built in 8MB ).RAM CARD 1MB+4MB: accelerator card 1MB+4MB1MB RAM: Mostly , such as KOF 96, Samurai Shodown series, Real Bout series and Metal etc4MB RAM: Mostly games, such as zero 3, Vampire of Vampire and Super Heroes vs. etc. You must select correct selection 4MB for KOF97 as an exampleKAI: direct reading cardCan read burned discs or other pirated discs. Read backup game discs8M Memory card: 8M memory cardSame functionality as an official 8M memory card, notice not all the games support game saving functions.CDVer: game version version is unlimited. suitable for All region consoles JPEUGB.Different batches may have different appearance, which does not affect use.Colour:GrayMaterial:ABSPackage Contents:1 x Games CardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.