Card reader Delkin Delkin Cardreader SD & MicroSD A2 (USB 3.1) — SD/SDHC/SDXC, microSD, USB 3.1

Delkin Cardreader SD & MicroSD A2 (USB 3.1) is a compact external card reader designed for direct reading and writing of SD, SDHC, SDXC and microSD cards. The device provides native full-size SD and microSD slots and supports A2-class microSD performance together with USB 3.1 interface for high-speed data transfers. Its plug-and-play operation requires no additional drivers on modern operating systems, making it convenient for moving large photo and video files between cameras, laptops and external storage.

Advantages

The card reader combines native dual-slot compatibility with USB 3.1 throughput to deliver faster card-to-computer transfers compared with older USB standards. Support for A2-class microSD cards ensures optimized performance for applications and sustained small-file access, while the compact housing and cable make the reader easy to carry and integrate into portable workflows. Native slot design avoids adaptors and allows simultaneous readiness for both full-size and micro cards when switching storage media.

Suitable for

• Photographers transferring RAW images and large JPEG files
• Videographers moving HD, 4K or compressed video clips from camera to editing workstation
• Content creators and social media managers who need fast import of media
• Field teams and mobile professionals who require a compact, plug-and-play solution

Key specifications

• Card types supported: SD, SDHC, SDXC, microSD
• microSD performance class supported: A2
• Interface: USB 3.1 for high-speed data transfer
• Form factor: external compact reader with native full-size SD and microSD slots
• Operating system compatibility: plug-and-play on most modern Windows and macOS systems (no driver required)

How to use

Insert a compatible SD or microSD card into the appropriate native slot and connect the reader to a computer via the USB 3.1 cable. The operating system should detect the card as removable storage; navigate to the drive to copy, move or edit files. For microSD cards rated A2, expect improved performance for application and small-file operations when used with compatible devices and file systems. Safely eject the card through the operating system before removing the reader to prevent data corruption.

Usage recommendations

Use high-quality SD or microSD cards from reputable manufacturers and keep card firmware and camera device software up to date to ensure stable transfers. For large video projects, transfer files to a fast internal or external SSD after import to maintain editing performance, and always perform regular backups of important media.