AData Premier One UHS-II V90 64GB SDXC Memory Card Review

Introduction

AData was founded in 2001 and is a Taiwan-based producer of a computer memory and storage. Their top-tier Premier One UHS-II card is V90 rated and provides up to 290 MB/s transfer speed according to AData. Although the product packaging does not specify whether the 290 MB/s is a read or write speed, the company published 290 MB/s read and 260 MB/s wrtie speeds on its website. The card meets the new Video Speed Class 90 (V90) write specification, meaning it is capable of writing at least 90 MB/s continuousuly for recording 4K and 8K video.

Premier One UHS-II cards are available in 64, 128 and 256 GB capacities. The 64GB version ASDX64GUII3CL10-C with UPC 4712366968714 is tested in this review. AData memory cards are covered by a lifetime warranty. The card tested was made in Taiwan.

Performance

The AData Premier One 64GB SDXC card was tested in several USB 3.1 and 3.0 memory card readers. In benchmark tests the 64GB card measured up to 298.6 MB/s sequential read speed. This was greater than the 290 MB/s rating. Write speed benchmarks measured up to 254 MB/s sequential. This is a bit less than 260 MB/s write speed advertised, but not off by far. The card is backwards compatible with UHS-I and Standard SD devices. In UHS-I mode the card reached 93.1 MB/s read and 92.5 MB/s write speeds.

Card: Adata Premier One UHS-II V90 64GB
Benchmark: CrystalDiskMark 3.0.3 x64
Program settings: 1000 MB, 5 passes, random test data
Operating system: Windows 10 Pro
Motherboard: Gigabyte GA-Z77X-UD3H
Processor: Intel Core i7-3770K @ 4.40GHz
RAM: 32GB DDR3 1600

The AData Premier One was tested in the Canon EOS R and was among the top four cards in write speed in a test of 113 memory cards. It will be tested in additional cameras to measure write speed and the results will be added below.

Cameras tested with this card: Canon EOS R, Fuji X-T3, Nikon Coolpix P1000

The following table contains information encoded in the SD card.

The internal card register contains information about the SD card. According to the SD card register, this card was manufactured November 2017. Its OEM ID indicates that the card was produced by AData (AD).

Available sizes and prices

Compare prices on the AData Premier One card. The lowest prices are highlighted in the table below. Prices are updated daily.