ADATA 256GB MicroSDXC UHS-II card

ADATA Premier Extreme SD7.1 Express | 256 GB MicroSDXC UHS-II

The ADATA UD256GEX3L1-C memory card 256 GB MicroSDXC UHS-II delivers extreme performance for professionals who demand the fastest transfer speeds. With read speeds up to 800 MB/s and write speeds up to 700 MB/s, this microSDXC card uses PCIe Gen3 x1 and NVMe protocols to match SSD-level performance in a compact form factor.

Slim Specs Table

SSD-Level Speeds in a MicroSD Form Factor

This next-generation Premier Extreme SD7.1 Express card delivers transfer performance of up to 800 MB/s, making it 1.5 times faster than a SATA SSD and 2.7 times faster than a high-speed UHS-II SD card. The PCIe and NVMe protocols ensure consistent high-speed transfers for large files, random small files, and both dynamic and static image output.

Perfect for 4K and 8K Content Creation

With minimum write speeds of nearly 150 MB/s, this card maintains smooth, uninterrupted recording for ultra-high-definition video. The V30 video speed class ensures low latency and frame-accurate capture, making it ideal for professional videographers and photographers working with 4K and 8K content.

Compact Design for Demanding Applications

Measuring just 15 mm wide, 1 mm deep, and 11 mm high, this lightweight 25 g card fits seamlessly into smartphones, VR headsets, smart home devices, action cameras, and drones. Its miniature SSD-like performance brings professional-grade speed to compact devices where space is at a premium.

Backward Compatibility with Modern Devices

The ADATA UD256GEX3L1-C is backward compatible with video speed classes below V30, ensuring it works with a wide range of devices while still delivering maximum performance when paired with compatible readers and host devices. This flexibility makes it a future-proof investment for content creators.

Box contents

• 1 x ADATA Premier Extreme SD7.1 Express microSDXC memory card (256 GB)

Check before you buy

• Confirm your device supports microSDXC format and UHS-II interface
• Verify your card reader supports PCIe Gen3 x1 and NVMe protocols for maximum speeds
• Check that your device can handle SD7.1 Express cards if you want the full 800 MB/s performance
• Ensure your recording device supports V30 minimum write speeds for 4K/8K video

Frequently Asked Questions

Q: What devices can use this microSD card?

A: Compatible with smartphones, VR headsets, action cameras, drones, and any device supporting microSDXC UHS-II cards.

Q: Do I need a special card reader?

A: Yes, to achieve full 800 MB/s speeds, you need a reader that supports SD7.1 Express and PCIe Gen3 x1 protocols.

Q: Is this card good for 4K video recording?

A: Absolutely. The V30 rating and 150 MB/s minimum write speed ensure smooth 4K and 8K video capture without frame drops.

Q: What’s the difference between this and regular UHS-II cards?

A: This SD7.1 Express card is 2.7 times faster than high-speed UHS-II cards, using PCIe and NVMe for SSD-like performance.

Q: Can I use this in my standard microSD slot?

A: Yes, but you’ll only get standard UHS-II speeds unless your device specifically supports SD7.1 Express.

The Consultant’s verdict & warranty

The ADATA UD256GEX3L1-C memory card 256 GB MicroSDXC UHS-II represents the cutting edge of portable storage technology, offering SSD-level speeds in a microSD form factor. It’s specifically designed for professional content creators who need extreme transfer speeds for 4K and 8K video, high-resolution photography, and rapid file transfers. Covered by the standard Manufacturer Warranty.