ADATA Premier Extreme 256GB microSDXC SD7.1 Express Card

The Premier Extreme SD7.1 Express memory card delivers next-generation storage performance with transfer speeds up to 800/700MB per second. This 256GB microSDXC card supports PCIe Gen3 x1 and NVMe protocols, providing speeds 1.5 times faster than SATA SSDs and 8 times faster than standard UHS-I SD cards.

High-Speed PCIe Performance

Built with PCIe Gen3 x1 bus architecture and NVMe support, this SD7.1 Express card achieves read speeds of 800MB/s and write speeds of 700MB/s. The advanced Silicon Motion SM2708 SD Express controller ensures consistent performance whether transferring large files or handling random small file operations.

Nintendo Switch 2 Compatible

Successfully validated through Nintendo Switch 2 compatibility testing, this memory card enhances file saving speed and high-definition video capture performance. The PCIe interface provides the bandwidth needed for smooth gaming experiences and faster load times.

Professional Video Recording

With V30 Video Speed Class certification, the Premier Extreme maintains minimum write speeds of 150MB/s for uninterrupted 4K video recording. The card supports low-latency, high-speed photography without frame drops, making it suitable for professional content creation and dynamic image capture.

Universal Compatibility

While optimized for SD Express devices, this card maintains backward compatibility with UHS-I hosts at speeds up to 104MB/s. It supports multiple speed classifications including PCIe Gen3 x1, U3, C10, and V30, ensuring functionality across various devices and applications.

Technical Specifications

Capacity: 256GB
Standard: SD7.1 Express
Read/Write Speed: Up to 800/700 MB/s
Speed Class: PCIe Gen3 x1 / U3 / C10 / V30
Dimensions: 15 x 11 x 1mm
Weight: 0.25g
Warranty: Lifetime

Key Features:

• SD7.1 Express format with PCIe Gen3 x1 interface
• NVMe protocol support for maximum performance
• Nintendo Switch 2 validated compatibility
• V30 Video Speed Class for 4K recording
• Silicon Motion SM2708 controller
• Certified by SD Association SVP
• Backward compatible with UHS-I devices
• Lifetime warranty coverage

*Maximum speeds achieved when paired with SD Express compatible devices. Backward compatible with UHS-I hosts at maximum speed of 104 MB/s.

• Capacity: 256GB
• Class/Speed: PCLe Gen 3
• Form Factor: Micro