KIOXIA Debuts High Capacity 512GB microSD Memory Cards for Continuous 4K Video Recording

New Addition to EXCERIA High Endurance Series Designed for Dashboard and Surveillance Cameras

SAN JOSE, Calif., June 15, 2022 – KIOXIA America, Inc. today announced the addition of a high-capacity 512 gigabyte (GB) product to its lineup of EXCERIA HIGH ENDURANCE microSD™ memory cards. The new 512GB product delivers sufficient performance and endurance in continuous high-resolution 4K video recordings of dashboard and surveillance cameras.

As the evolution of dashboard cameras continues, with new features such as high-resolution recordings, multiple cameras and parking surveillance being added, the amount of recorded data is steadily increasing. The new KIOXIA 512GB EXCERIA HIGH ENDURANCE microSDXC UHS-I memory card is designed for the extended recording time required by dashboard cameras, and is capable of up to 17,000 hours1 of cumulative use and up to 10 hours and 29 minutes2 of continuous 4K video (3840x2160 pixels, 100 megabits per second) recording. With a read speed of up to 100 megabytes per second (MB/s)3 and write speed of up to 85 MB/s3, the new 512GB card supports the UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)4 specifications, making it suitable for 4K video recording.

“Our new memory cards deliver the durable, high performance, reliable storage needed by applications that record continuously in various environments,” noted Brian Kumagai, director of business development for KIOXIA America, Inc.  “With the EXCERIA HIGH ENDURANCE microSD lineup, critical high-resolution video footage is seamlessly captured and preserved.”

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About KIOXIA America, Inc.
KIOXIA America, Inc. is the U.S.-based subsidiary of KIOXIA Corporation, a leading worldwide supplier of flash memory and solid state drives (SSDs). From the invention of flash memory to today’s breakthrough BiCS FLASH™ 3D technology, KIOXIA continues to pioneer innovative memory, SSD and software solutions that enrich people's lives and expand society's horizons. The company's innovative 3D flash memory technology, BiCS FLASH, is shaping the future of storage in high-density applications, including advanced smartphones, PCs, SSDs, automotive, and data centers. For more information, please visit


1: Designed target of accumulated time based on 4K (3840x2160) video content recorded at 100Mbps. Results may vary depending on a device and other conditions.

2: Approximate recording time. Calculated based on a data rate of 100Mbps for 4K video recording. Results may vary depending on device and other conditions.

3: 1 MB/s is calculated as 1,000,000 bytes/s. These values are the best values obtained in a specific test environment at Kioxia Corporation and Kioxia Corporation warrant neither read nor write speeds in individual devices. Read and write speed may vary depending on user-specifications such as devices used and file size read or written.

4: Speed classes indicate the results under the test conditions specified by the SD Association.

microSD is a trademark of SD-3C LLC

microSD memory cards are consumables and have a finite product life as represented by the number of write cycles and other parameters. The actual product life of a microSD memory card may be reduced, depending on usage conditions.

Capacity is based on installed flash memory and not user available memory as part of the memory is used for management functions. About usable capacity (available user area), please check each product (1GB is calculated as 1,073,741,824 bytes).

All company names, product names and service names may be trademarks of their respective companies.

  • Information in this press release, including product pricing and specifications, content of services, and contact information is current and believed to be accurate on the date of the announcement, but is subject to change without prior notice. Technical and application information contained here is subject to the most recent applicable KIOXIA product specifications.