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Dynabook conducted the Tech NXT Meet 2026 in Chennai and Cochin, bringing together technology leaders and partners. Mumbai hosts Dynabook Tech NXT Meet, bringing together industry experts for forward-looking technology and enterprise discussions. Dynabook associates with GOCC 2026 held on April 25 at Cochin Dynabook launches the Portégé Z40L-N, a premium Copilot+ PC with Intel’s latest processors and built-in AI acceleration. Dynabook unveils the Portégé X30L-M, an ultra-light laptop under 875g and among the lightest on the market. Dynabook associates with GOCC 2026 held on April 25 at Cochin Dynabook launches the Portégé Z40L-N, a premium Copilot+ PC with Intel’s latest processors and built-in AI acceleration. Dynabook unveils the Portégé X30L-M, an ultra-light laptop under 875g and among the lightest on the market.

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

Improves smartphone’s app performance

TECHNICAL SPECIFICATIONS​

dynabook Performance
microSDXC™ Card 

dynabook Performance
microSDXC™ Card with Adaptor

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 

microSDXC

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

COMPATIBILITY
 

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

WARRANTY

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.

TECHNICAL SPECIFICATIONS​

CAPACITIES / PART NUMBERS

dynabook Performance
microSDXC™ Card 

64GB: OA1225-PHCS

128GB: OA1225-PHDS

256GB: OA1225-PHES

512GB: OA1225-PHFS

dynabook Performance
microSDXC™ Card with Adaptor

64GB: OA1225-PHCA

128GB: OA1225-PHDA

256GB: OA1225-PHEA

512GB: OA1225-PHFA

FORM FACTORS 

microSDXC

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

COMPATIBILITY

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

dynabook Performance
microSDXC™ Card with Adaptor

dynabook Performance microSDXC™ Card and adaptor

WARRANTY

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.