An SD-Speicherkarte (translated as SD memory card from German) is a type of storage medium commonly used in devices like cameras, smartphones, and computers. On Windows systems, an SD-Speicherkarte typically appears as a removable storage device once inserted into an SD card reader, allowing you to transfer files to and from the card.

If you're referring to the Windows driver for an SD card (SD-Speicherkarte), it generally means the driver software required for Windows to recognize and interact with the SD card reader hardware on your computer. Windows typically includes generic drivers for most SD card readers, but in some cases, specific drivers may be needed, especially for third-party or external card readers.