Find verified drivers for internal and external card readers that handle SD, microSD, CompactFlash, MMC and other flash formats. This category includes vendor-specific packages (Realtek, Ricoh, Alcor and similar controller vendors), Microsoft-generic drivers and updated firmware utilities for USB, USB-C, PCIe and laptop-integrated readers. Files are labeled by model and OS so you can pick the correct build for Windows (7–11, 32/64-bit), macOS and common Linux distros.

Each download page lists version, release date, supported platforms and a checksum or signature when available. Installation notes explain using the supplied installer or manual INF installation via Device Manager, plus rollback and uninstall steps. Compatibility tips help you match controller IDs and troubleshoot recognition or speed issues. Use the on-page search and filters to locate the exact model before downloading; follow the step-by-step guide to ensure a successful, safe install.