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Small black microSDXC card with full-size SD adapter

ADATA

ADATA AUSDX64GUICL10-RA1 Premier 64GB microSDXC UHS-I U1 memory card

SKU CH-F191-Q1E4S

A 64 GB microSDXC card with UHS-I U1 speed, up to 50 MB/s read and 10 MB/s write, plus an adapter included

  • Total capacity64 GB
  • Wireless enabledCondition:-NEW
  • Speed classUHS-I / Class 10
  • Max read speedUp to 50 MB/s
  • Write throughputUp to 10 MB/s
  • Product typeMicroSDXC
  • 64 GB capacity stores more photos and videos
  • Up to 50 MB/s read speed loads files quickly
  • Up to 10 MB/s write speed meets UHS-I U1 class
  • Includes SD adapter for use in standard card slots
  • Error-correction code plus temperature and x-ray resistance protect data

64 GB microSDXC card for phones and tablets

This ADATA Premier microSDXC card delivers 64 GB of storage for smartphones and tablets. It uses the UHS-I interface with a Class 10 speed rating to handle high-definition photos and video recording. The card includes a standard SD adapter for use in larger slots. Error-code correction and resistance to temperature extremes and X-rays protect stored data.

UHS-I U1 speed class for sequential reads up to 50

The single specification that determines suitability is the UHS-I U1 rating, which guarantees a minimum write speed of 10 MB/s and enables sequential reads up to 50 MB/s. This meets the SD 3.0 specification while maintaining backward compatibility with SD 2.0 Class 10 devices. Buyers who need sustained write speeds above 10 MB/s for 4K video or burst photography should consider a higher speed class.

Fits microSDXC slots and full-size SD slots via

The card fits any device with a microSDXC slot and works in full-size SD slots using the supplied adapter. It requires a host that supports the SDXC capacity standard and the UHS-I bus to reach the rated read speed. No external power or driver installation is needed. The durable construction frees users from worry about environmental damage during travel or outdoor shooting.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $31.99
Cheaper than about 63% of the 1,947 comparable items (median $46.99).
Total capacity 64 GB
Typical for this category: the median of 1,132 items is 64 GB.
Price per TB $499.84 per TB
Pricier than about 63% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameADATA
Product linePremier
Model nameAUSDX64GUICL10-RA1
Total capacity64 GB
Product typeMicroSDXC
Performance
Speed classUHS-I / Class 10
Max read speedUp to 50 MB/s
Write throughputUp to 10 MB/s
Connectivity
Wireless enabledCondition:-NEW

Questions about this item

What does the 50 MB/s read speed mean for daily use on a phone or tablet?

The 50 MB/s sequential read lets you open large photos and load apps quickly, while the U1 rating ensures a minimum 10 MB/s sustained write for smooth Full HD video recording.

How does the UHS-I U1 rating affect the card's actual performance ceiling?

UHS-I is the bus interface and U1 guarantees a minimum 10 MB/s sequential write; the card reaches up to 50 MB/s read and 10 MB/s write within that specification.

What does the included adapter let me do with this microSDXC card?

The bundled adapter converts the microSDXC card to full-size SD so it fits standard SD slots in cameras, laptops or card readers.

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