ACTION +8M Memory: gold finger card + 8M expansion memory card Allow 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+4MB 1MB RAM: Mostly , such as KOF 96, Samurai Shodown series, Real Bout series and Metal etc 4MB 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 example --KAI: direct reading card Can read burned discs or other pirated discs. Read backup game discs 8M Memory card: 8M memory card Same functionality as an official 8M memory card, notice not all the games support game saving functions. CD-Ver: game version version is unlimited. suitable for All region consoles JP-EU-GB. Different batches may have different appearance, which does not affect use. Colour:Gray Material:ABS Package Contents: 1 x Games Card Only 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 +/- 1-3cm.