SanDisk 256GB microSD Express Memory Card – PCIe NVMe, Up to 880MB/s

The SanDisk 256GB microSD Express Memory Card is a high-performance removable storage solution designed for next-generation devices that can take advantage of microSD Express technology. With 256GB of storage capacity, it provides fast and portable storage for high-resolution photos, videos, games, applications, creative projects, and other large digital files.

Built around a PCIe Gen 3 NVMe interface, the SanDisk microSD Express card delivers dramatically higher performance than conventional microSD storage. The 256GB version offers read speeds of up to 880MB/s and write speeds of up to 650MB/s, making it suitable for demanding workflows where fast loading, recording, and file transfers are important.

The card is also compatible with devices featuring microSD UHS-I and UHS-II slots, although it operates at UHS-I speeds when used in those devices. Full microSD Express performance requires a compatible microSD Express host device.

Product Features

256GB Storage Capacity

Provides 256GB of flash storage for games, high-resolution photos, videos, applications, documents, and other large digital files.

microSD Express Technology

Uses the advanced microSD Express standard to provide significantly higher performance than conventional microSD cards when used with compatible hardware.

PCIe Gen 3 Interface

Features a PCIe Gen 3 interface designed to support high-speed data communication between the memory card and compatible host devices.

NVMe Technology

Uses NVMe technology to deliver high-performance storage capabilities in the compact microSD form factor.

Up to 880MB/s Read Speed

Provides sequential read performance of up to 880MB/s, enabling fast access to large files and media when used with compatible equipment.

Up to 650MB/s Write Speed

Offers sequential write performance of up to 650MB/s, supporting demanding storage and content-creation workflows.

210MB/s Minimum Sustained Write

The 256GB version provides a minimum sustained write speed of 210MB/s, supporting applications requiring consistent write performance.

High-Resolution Video Support

Suitable for compatible devices handling Full HD, 4K, 5.3K, and 8K video, with actual video support depending on the host device and recording requirements.

Backward Compatibility

Compatible with microSD Express, UHS-I, and UHS-II slots. When installed in UHS-I or UHS-II devices, the card operates at UHS-I speeds.

Built for Demanding Environments

Designed to withstand water, temperature extremes, humidity, drops, shocks, magnetic exposure, X-rays, and wear under specified conditions.

Product Specifications

• Product Type: microSD Express Memory Card
• Brand: SanDisk
• Capacity: 256GB
• Form Factor: microSDXC
• Interface: PCIe Gen 3 / NVMe
• Maximum Sequential Read Speed: Up to 880MB/s
• Maximum Sequential Write Speed: Up to 650MB/s
• Minimum Sustained Write Speed: 210MB/s
• Dimensions:99 × 10.92 × 1.02mm
• Weight: Approximately 0.26g
• Operating Temperature: -25°C to 85°C
• Storage Temperature: -40°C to 85°C
• Backward Compatibility: microSD UHS-I and UHS-II Devices at UHS-I Speeds
• Full Performance Requirement: Compatible microSD Express Device
• Suitable For: Handheld Gaming Devices, Smartphones, Tablets, Action Cameras, Drones, Laptops and Other Compatible Devices
• Applications: Gaming, High-Resolution Video, Photography, Content Creation, Applications and High-Speed File Storage