dynabook Performance microSDXC™ Card

Capture high-quality 4K-UHD videos and
transfer large files at ultra-fast speeds
Up to 100MB/s read speeds** and 95MB/s write speeds**


For Full HD Video recording
& playback

Full HD Video

Improves smartphone’s
app performance


Capacities / Part Numbers

64GB: OA1225-PHCS

128GB: OA1225-PHDS

256GB: OA1225-PHES

512GB: OA1225-PHFS

64GB: OA1225-PHCA

128GB: OA1225-PHDA

256GB: OA1225-PHEA

512GB: OA1225-PHFA

Form Factors


Speed Class

Class10, U3, V30 UHS-I, A1

Read Speed**

64GB: Up to 95MB/s; 128GB/256GB/512GB: Up to 100MB/s

Write Speed**

64GB: Up to 30MB/s; 128GB/256GB/512GB: Up to 95MB/s


microSDXC host devices

Temperature range

Operation: -25˚C to 85˚C

Storage: -40˚C to 85˚C

Package Contents

dynabook Performance microSDXC™ Card

dynabook Performance microSDXC™ Card and adaptor


3 years local limited warranty

* 4K UHD and Full HD recording support may vary depending on host device. Please check your host device documentation.

** Based on internal testing. Actual performance will vary depending on host hardware, operating system, software and usage patterns.

Not all devices support dynabook Performance microSDXC™ Cards.

^ Warranty void if used in write intensive and/or high temperature environments such as in-car cameras such as in-car cameras and CCTVs.