Memory Card Delkin Power 256GB UHS-II U3 V90 DDMSDG2000256

The Delkin Power 256GB UHS-II U3 V90 MicroSDXC card delivers high sustained performance for demanding photo and video workflows. With read speeds up to 300 MB/s and write speeds up to 250 MB/s, this card supports uninterrupted 4K and high-bitrate video recording as well as rapid burst shooting in modern mirrorless and DSLR cameras. Built for reliability, the card is resistant to harsh conditions including temperature extremes, water exposure and shock, making it suitable for professional field use.

Advantages

This Delkin Power card combines UHS-II interface speed with V90 video performance classification, providing consistent high write throughput required for 4K/8K and high-frame-rate capture. The high-capacity 256 GB format stores large photo libraries and extended video clips without frequent media swaps. Its rugged construction reduces the risk of data loss in demanding environments while maintaining compatibility with a wide range of cameras, drones and mobile devices that accept microSDXC media.

Suitable for

• Professional and enthusiast 4K and high-bitrate video recording
• High-resolution continuous burst photography
• Use in drones, action cameras and mirrorless/DSLR systems that accept microSDXC
• Large-capacity storage for mobile devices and field backup

When it may not be suitable

This microSDXC card may be unnecessary for casual smartphone photo use or low-resolution video where UHS-I performance is sufficient; in such cases, lower-speed cards can provide adequate results at lower cost. Devices that only support older microSD standards or that lack UHS-II bus support will not achieve the maximum transfer rates provided by this card, although compatibility for basic read/write operations is maintained.

Key specifications

• Form factor: microSDXC
• Capacity: 256 GB
• Interface: UHS-II
• Speed class: U3 (UHS Speed Class 3)
• Video speed class: V90
• Maximum read speed: up to 300 MB/s
• Maximum write speed: up to 250 MB/s
• Durability: temperature, water and shock resistant

How to use

Insert the Delkin Power microSDXC card into a compatible device slot or use a UHS-II capable card reader for file transfers. For cameras and recorders, format the card in the device before first use to ensure optimal file system compatibility and performance. When recording high-bitrate video, verify the device is set to use the card’s full speed mode (UHS-II) if supported. Use the card reader to offload files to a computer and maintain a backup workflow to protect important media.

What to consider before purchase

• Check your device compatibility with microSDXC and UHS-II interface to utilize maximum speeds
• Confirm required video speed class for your camera or recorder (V90 for high-bitrate 4K/8K workflows)
• Evaluate capacity needs versus budget and whether 256 GB meets your shoot duration or storage plan
• Plan a backup routine as physical media can still be lost or damaged despite rugged design

Usage recommendations

For reliable performance, format the card in the camera before shooting, avoid filling the card to full capacity during critical recordings, and use a UHS-II compatible reader for transfers to achieve the card’s rated speeds. Maintain multiple media cards and regular backups to reduce risk of data loss during professional shoots.