The SBAC-US20 USB Reader/Writer supports those with PCs not equipped with an ExpressCard slot. The SBAC-US20 is recognized by PCs as a "Mass Storage Class", no special driver installation is required except for the SxS UDF driver needed to recognize UDF formatted memory cards. The SBAC-US20 is powered by USB bus, so no AC adapter is required.
One ExpressCard Slot SxS Card Reader
SuperSpeed USB 3.0 Interface
Card Reader is powered over USB interface - no AC adapter required
Accepts Sony ExpressCard adapters for reading XQD, SD and MS media