Support Card Type 1) MS / MS PRO / MS DUO / MS PRO DUO / MS MG PRO / MS MG / MS MG DUO / MS MG PRO DUO / EXTREME MS PRO / MS SELECT / EXTREME III MS PRO / ULTRA II MS PRO / HS MS MG PRO / HS MS MG PRO DUO / HS MS PRO / HS MS PRO DUO / MS ROM / MS Pro HG Duo 2) SD / MINI SD / HS MINI SD / EXTREME SD / EXTREME III SD / ULTRA SD / ULTR II SD / ULTRA II SD PLUS / SD-ULTRA-X / ULTRA SPEED SD / SD PRO / SDHC /SD ELITE PRO / HS SD / MMC / MMC 4.0 / HS MMC / HS RS MMC / RS MMC / RS MMC 4.0 / MMC Mobile / MMC Plus / MMC 4.2 3) micro SD(T-Flash) 4) M2 Interface USB2.0/1.1 Transfer speed Up to 480 Mbps Function Plug & play 24 in 1 Card Reader Auto detect card memory Up to 480 Mbps/sec Support USB port power OS Win98/ME/2000/XP/Vista/Mac10.4.5