ADATA Premier Extreme microSDXC SD7.1 Express 256GB Memory Card
Key Highlights:
- 256GB Storage Capacity
- Next-Generation SD7.1 Express Technology
- Up to 800MB/s Read Speeds
- Up to 700MB/s Write Speeds
- PCIe Gen3 x1 & NVMe Protocol Support
- Nintendo Switch 2 Ready
- V30 Video Speed Class & U3 Rating
- Lifetime Manufacturer Warranty
Product Description
microSD Performance Reimagined
The ADATA Premier Extreme microSDXC SD7.1 Express Memory Card brings SSD-class performance to the microSD format. Built using PCIe Gen3 x1 and NVMe technologies, it delivers exceptional transfer speeds of up to 800MB/s read and 700MB/s write, making it ideal for demanding content creation, gaming and professional storage applications.
Built for Professional Creators
Whether you're shooting high-resolution photography, recording professional-grade video or transferring large media files, the Premier Extreme SD7.1 Express card provides ultra-fast data access that dramatically reduces waiting times and improves workflow efficiency.
Nintendo Switch 2 Ready
Featuring the Silicon Motion SM2708 SD Express controller, the card has successfully passed Switch 2 compatibility validation testing. This ensures faster file handling, smoother game loading and enhanced high-definition video capture for next-generation handheld gaming experiences.
Perfect for 4K and 8K Content Creation
With V30 certification and sustained high-speed write performance, the Premier Extreme card is ideal for recording ultra-high-definition video, burst photography and other data-intensive applications without dropped frames or buffering issues.
Broad Compatibility
While optimised for SD Express-compatible devices, the card remains backward compatible with UHS-I hosts, ensuring broad device support while offering future-ready performance for emerging hardware platforms.
Reasons to Buy
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SD7.1 Express Technology: Next-generation storage performance.
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Ultra-Fast Speeds: Up to 800MB/s read and 700MB/s write.
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Nintendo Switch 2 Ready: Validated compatibility for next-gen gaming.
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V30 Video Class: Supports demanding video recording applications.
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256GB Capacity: Ideal for games, media and professional content.
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PCIe & NVMe Architecture: SSD-like responsiveness.
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Backward Compatible: Works with existing UHS-I devices.
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Lifetime Warranty: Long-term reliability and peace of mind.
Technical Specifications
Memory Card Specifications
| Specification |
Value |
| Brand |
ADATA |
| Series |
Premier Extreme SD7.1 Express |
| Capacity |
256GB |
| Card Type |
microSDXC |
| SD Standard |
SD 7.1 Express |
| Interface |
PCIe Gen3 x1 / NVMe |
Performance
| Specification |
Value |
| Maximum Read Speed |
800 MB/s |
| Maximum Write Speed |
700 MB/s |
| Speed Class |
U3 / Class 10 |
| Video Speed Class |
V30 |
| Bus Interface |
PCIe Gen3 x1 |
| Protocol |
NVMe |
Gaming Features
| Feature |
Description |
| Nintendo Switch 2 Ready |
Validated compatibility |
| SD Express Controller |
Silicon Motion SM2708 |
| Faster Game Loading |
Yes |
| Enhanced Save Performance |
Yes |
| Next-Generation Gaming Storage |
Yes |
Professional Applications
| Application |
Support |
| Professional Photography |
Excellent |
| Burst Shooting |
Excellent |
| 4K Video Recording |
Supported |
| 8K Video Workflows |
Supported |
| Drones |
Supported |
| Action Cameras |
Supported |
| Portable Gaming Devices |
Supported |
Compatibility
| Specification |
Value |
| SD Express Devices |
Full Performance |
| UHS-I Backward Compatibility |
Yes |
| Maximum UHS-I Speed |
104 MB/s |
| SD Association SVP Certified |
Yes |
Physical Specifications
| Specification |
Value |
| Width |
15 mm |
| Height |
11 mm |
| Depth |
1 mm |
| Weight |
0.25 g |
Packaging Information
| Specification |
Value |
| Quantity |
1 Memory Card |
| Package Type |
Retail Packaging |
Why Choose SD Express?
| Technology |
Maximum Speed |
| Premier Extreme SD7.1 Express |
800 MB/s |
| Typical SATA SSD |
Approx. 550 MB/s |
| High-Speed UHS-II SD Card |
Approx. 300 MB/s |
| Standard UHS-I Card |
Approx. 100 MB/s |
What's In The Box
- ADATA Premier Extreme microSDXC SD7.1 Express 256GB Memory Card
- User Documentation
Product Identifiers
| Identifier |
Value |
| Brand |
ADATA |
| Series |
Premier Extreme SD7.1 Express |
| Capacity |
256GB |
| Card Format |
microSDXC |
| Standard |
SD 7.1 Express |
| Read Speed |
800 MB/s |
| Write Speed |
700 MB/s |
| Video Class |
V30 |
| Warranty |
Lifetime |
