Supports following memory cards: Slot 1 SD, Elite Pro SD, Extreme III SD, Gaming Edition SD, Platinum II SD, SD Pro, SDHC, SDXC, SD-Max, SD-Pleomax, SD-Pro C, Super SD, Turbo SD, Ultima I SD, Ultima II SD, Ultimate SD, Ultra High Speed SD, Ultra II SD, Ultra II SD Plus, Ultra SD, Ultra-X SD, MMC, DV-RS MMC, High Speed MMC, RS-MMC, MMCmobile, MMC Pro, MMC plus, MMC plus Turbo Slot 2 MS, MS DUO, MS PRO, MS PRO DUO, MS MagicGate, MS MagicGate PRO, MS MagicGate DUO, MS MagicGate PRO DUO, Extreme MS PRO, Extreme III MS PRO, Ultra II MS PRO, HS MS MagicGate PRO, HS MS MagicGate PRO DUO, MS ROM, MS Select Slot 3 Micro SD, Micro SDHC, T-Flash, MS Micro (M2) Slot 4 CF I, CF II, CF Elite Pro, CF PRO I, CF PRO II, CF Turbo, CF Ultima I, CF Ultima II, Extreme CF, Extreme III CF, HS CF, Ultra II CFPower supply specification Input: AC 100 ~ 240 V / 50 ~ 60 Hz / 0.4 A Output: 5 V / 2 A Ground outside, plus inside Dimensions: inside: ø ca. 1.35 mm outside: ø ca. 3.5 mm length: ca. 11 mmSystem requirements Linux Kernel 2.6 or above Mac OS 10.5 or above Windows XP/XP-64/Vista/Vista-64/7/7-64/8.1/8.1-64/10/10-64 PC or laptop with a free USB Type-A portPackage content USB 3.0 Card Reader + Hub USB 3.0 Type-B to Type-A cable External power supply User manualPackage Retail Box