MCR 20in1 + USB 3.0 front con., 3.5'' S26361-F3077-L15 requires USB 3.0 PCIe x1 card; occupies accessible 3.5''- bay and requires internal USB 2.0 interface, front connector USB 3.0, Formats: CF I, CF II, IBM MD, SM, SD, Mini SD, Micro SD, SD HC, MMC, RS-MMC, MMC micro, MMC mobile, MS, MS Pro, MS Duo, MS Pro Duo, MS Micro, xD-Picture Card, xD-Picture Card M type, xD-Picture Card H type