SanDisk Extreme PRO 400 GB microSDXC Memory Card + SD Adapter with A2 App Performance up to 170 MB/s, Class 10, U3, V30

A brief statement indicating the edition or version of a product, such as "Reprint", "New Edition", or a numeric edition number like "2nd edition". It identifies which specific release of the item is being referenced.

The overall dimension or measurement that identifies the size of a product, such as a frame, garment, electronic component, or container. It can be expressed as a single numeric value (e.g., 47 mm), a range (e.g., 50–60 cm), a volume (e.g., 700 ml), or a descriptive label like "One Size". The attribute helps customers compare and select items that fit their needs.

The speed rating indicates the performance class or transfer capability of a storage device, such as flash memory cards or solid‑state drives. It typically refers to standardized categories (e.g., Class 10, UHS‑I Class 1, UHS‑II Class 3) that describe minimum write speeds, read speeds, or overall throughput. Users can compare devices by their speed rating to ensure compatibility with performance requirements.

The technology or media format used for internal or external data storage, such as hard disk drives (HDD), solid‑state drives (SSD), eMMC, microSD cards, or combinations of these. It indicates the underlying storage medium that determines performance, capacity, and compatibility with a device.

The video speed class indicates the maximum sustained read and write speeds of a memory card or storage device when recording or transferring video, expressed as a standard code such as V10, V30, V60, or V90. It helps users compare how quickly a device can handle high‑definition video streams and ensures compatibility with camera or recorder requirements.