A card reader is a device that reads (memory) cards that have been programmed to be recognized by the respective card reader. In this way, you can quickly and securely transfer your files to your computer.
There are card readers with inputs for all kinds of card types: SD, SDHC, miniSD, microSD, Memory Stick (MS), MS Pro, MS Duo, MMC, MicroDrive, CF, TF, USB2.0, Extreme Digital and many more. So always check carefully which one you need.
20954715 | ST8000VN004
20922439 | 49350
20918940 | 47443/OT1