Articles by Our Experts SD規格環境の考察

March 15, 2019
Why microSD Express Memory Cards Rule: The Many Advantages of the PCIe and NVMe Standards

The latest version of the popular microSD form factor brings SSD levels of performance, creating a host of new opportunities for memory card users.

By: Yosi Pinto

In the nearly two decades since the SD Association (SDA) introduced its first memory cards, SD and microSD memory cards have cycled through numerous evolutions and industry trends. Now, the microSD Express memory card takes a giant step forward by giving the microSD form factor PCIe® and NVMe™ capabilities alongside the legacy SD interface. [...]

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February 14, 2019
The Triple Threat of Innovations Supporting SD Express

The combination of new hardware capabilities; interface and platform solutions; plus redesigned software stacks creates new possibilities for memory card users

By: Anthony Constantine and Jacek Wysoczynski

PCIe® and NVMe™ solid state drives (SSDs) are the predominant solution in today’s client systems, used for storage in several applications. As PCIe/NVMe brings lower software stack overhead and reduces latency, it has become the most used interface in SSDs for desktops, laptops, all-in ones and two-in-ones. It is the preferred choice for servers, even in the largest data centers, and has also found usage in Internet of Things (IoT) and automotive. [...]

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January 25, 2019
A New Industrial Revolution: IIoT and SD Memory Cards

SD memory cards, supported by SD Express, are essential for businesses transforming their operations

By: Alice Chou

We’re on the brink of a revolution – a new industrial revolution. Across the world, businesses are digitally transforming the way they operate, and the backbone of this transformation is the Industrial Internet of Things (IIoT). IIoT comprises internet-connected, software-managed machinery and devices and the advanced analytics platforms that process the data they produce, all of which combine to create operational efficiencies. [...]

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October 25, 2018
Living on the Edge: A Data Storage Revolution

The new SD Express is an ideal vehicle for an edge storage and computing gateway

By: Crystal Chang

The future is here, and it requires removable storage – lots of it. Trends such as the Internet of Things (IoT), Industrial IoT (IIoT), connected cars and automation are creating overwhelming volumes of data that need to be collected, stored and analyzed. Fast transmission, access and retrieval of the torrents of data from the cloud are straining network infrastructures, making storage on the edge a more viable option for timely, cost-effective and responsive storage and computing. [...]

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September 13, 2018
Growing Demand, Growing Capacity: An introduction to the new SD Ultra Capacity function

SDUC is a response to market demands for expanded storage in SD memory cards

By: Akihisa Fujimoto

In June 2018, the SD Association (SDA) released SD 7.0, introducing two major new functions: SD Express and SD Ultra Capacity (SDUC), which boosts the limits of traditional SD memory cards’ capacity to meet the needs of users everywhere, both consumer and industrial, by extending the potential maximum SD memory card capacity up to 128TB. [...]

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July 5, 2018
Change for the Better: Introducing SD Express

A demand for memory cards with higher speeds; improved protocols and interfaces; high performance sequential; and random access spurred the creation of SD Express.

By: Yosi Pinto

It’s not uncommon for consumer and business behaviors to influence major changes in an industry. Consider the constant demand for more storage. Billions of connected devices are expected to generate 155 yottabytes of data by 2021. [...]

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May 2, 2018
Controllers: The Unsung Heroes in Achieving A2

All the buzz about A2’s stellar performance specifications would be for nothing without controllers guiding the promise into reality.

By: Rex Kuo

The brain is arguably the most important organ in the human body, managing and directing the function of all other systems, and turning the body’s collection of cells into a symphony of living matter. [...]

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January 18, 2018
Now Trending: SD Memory Cards

Eight trends in 2017, plus a look to the future

By: Paul Norbury

When historians of the future look back on the top tech trends of 2017, certain technologies will likely stand out: blockchain, facial recognition, Internet of Things (IoT), autonomous vehicles and machine learning. However, those historians would be remiss to forget the ever-reliable microSD memory card.....]

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November 1, 2017
SSDs, USB Drives, SD Memory Cards: Know the Difference

Choosing the right storage option for the right application

By: Keith Tsai

Gone are the days when consumers and businesses had to use unwieldy floppy disks, cassette tapes and CDs for music, videos and files. Portable storage options are more efficient these days, giving users the flexibility to choose between such options as USB flash drives, SD memory cards and microSD cards, and solid-state drives (SSDs) for their data storage needs.....]

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October 2, 2017
Delivering Advanced Mobile Application Performance with A1

The A1 spec progresses microSD memory card technology even further, with a few factors driving industry need

By: Dinesh Bahal

We live in a new, mobile-centric world where more people every day use smartphones and tablets to manage their lives. The content being captured with today’s mobile devices is significantly more advanced and sophisticated than previous digital data, generating much larger file sizes, and thus requiring devices with higher performance and larger storage capacities. New versions of mobile operating systems, such as Android Marshmallow, Nougat and Oreo, allow external memory card storage to be treated as if it was embedded memory.....]

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July 10, 2017
What to Know Before Storing Data on a SD Memory Card

The 5 most critical traits about SD memory cards

By: Crystal Chang

User experience, and the constant need for more efficient and cost-effective products, continue to drive innovation of new technology and the evolution of SD standards. For that reason, the SD Association is committed to defining and adopting new standards through its Technical, Compliance and Marketing Committees, representing the interest of more than 800 member companies worldwide....]

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June 14, 2017
The State of the microSD Memory Card in 2017

Consumer demand and new applications continue to drive innovation, standards and performance

By: Brian Kumagai, president of the SD Association

As long as data caps, wireless network gaps and security concerns continue to exist, there will always be challenges retrieving content over open networks. The ability to store content locally and access it via smartphone will be necessary as long as the creation and consumption of data continues to grow at its rapid pace – and microSD memory cards can create a consistent, seamless and enjoyable user experience while also providing local data storage. [...]

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March 24, 2017
Applications in Action: Introducing the Newest Application Performance Class

The new features found in A2, and what A2 means for consumers and manufacturers

By: Yosi Pinto

Market needs are always evolving, and for the optimal user experience, manufacturers and consumers alike must stay in touch with updates to SD memory card standards. Most of today’s Android and Windows smartphones and mobile computing devices allow application data to be saved on removable cards. Additionally, when Google released Android Marshmallow in 2015, it expanded microSD memory card support by offering Adoptable Storage Devices, allowing users to run applications directly from [...]

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December 20, 2016
Understanding the Difference Between Consumer and Industrial SD Memory Cards

Industrial and OEM users have more unique options

By: Paul Norbury

SD memory cards as a technology have a proven track record as the most successful removable storage form factor of all time. They are a simple, trusted and low-cost solution. They are also supported by a very large percentage of the consumer electronics industry, and SD slots can be found on many everyday devices, including smartphones, tablets, DVRs and in-car video recorders. [...]

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November 14, 2016
Think Big: The Rise of 4K and 8K Content

SD memory cards are optimal for recording, storing and streaming ultra-high-definition content

By: Noriya Sakamoto

There’s been a lot of buzz lately in the consumer electronics market around one particular letter of the alphabet: K – as in 4K and 8K. 4K refers to a display device or content that has a horizontal resolution of roughly 4,000 pixels and vertical resolution of 2,000 pixels, whereas 8K is about 8,000 pixels horizontally and more than 4,000 pixels vertically. 4K is also known as ultra-high-definition, whereas 8K doesn’t even have a qualifier like that yet [...]

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August 26, 2016
The Card Versus The Cloud

The never-ending quest for more storage

By: Dinesh Bahal

Card or cloud? That is the question that consumers and businesses will be asking themselves more and more frequently when they think about storing and sharing video, photos and other files – whether to upload the files to the cloud or save them on a local storage device like a microSD™ memory card, SD™ card, high-capacity USB drive or even a solid-state drive. [...]


June 30, 2016
Removable Storage Flies High in Aerial Imaging

microSD: The unsung hero of a rapidly growing market

By: Wes Brewer, VP and GM of Lexar, a global brand of Micron Technology

Drones, also known as unmanned aerial vehicles (UAVs), are one of the most popular and quickly growing segments of the camera market, providing new possibilities for professionals and enthusiasts alike. Along with the explosive growth of this market comes an ever-growing demand for high-performance, high-capacity removable microSD storage to meet its needs. [...]


May 13, 2016
The State of the microSD Memory Card in 2016

New applications continue to drive innovation, standards and performance

By: Brian Kumagai, president of the SD Association and Yosi Pinto, chairman of the SD Association

When one thinks back to 2005, the year of the microSD memory card’s debut, it feels like far more than 11 years has gone by. YouTube was just a tiny startup company, and scientists were years away from cloning human stem cells. The iPhone was merely a twinkle in Apple’s eye, and the world’s population was a modest 6.5 billion people – modest compared with [...]


Why Older SD Memory Cards Are Still Relevant

By:Danny Lin, vice president of ATP and board member of the SD Association

The SD memory card was born in the year 2000, when Bill Clinton was completing his second term as president of the United States. Sixteen years in human time may sound short, but in electronic technology time, it is an eternity. Today, more than a billion SD memory cards [...]




「知は力なり」と言われます。靴を買うときは自分の足のサイズを知っておく必要があり、新しい家具を組み立てるときは説明書を読む必要があるでしょう。また、誰かにお子さんの面倒をみてもらうときは、必ず信頼できる気配りの行き届いた成人を選ばなければなりません。 [...]




世界がよりデジタル指向になるとともにテクノロジが発展し続けていますが、デジタル資産の保存に使用されるツールも例外ではありません。調査会社 ガートナーによると、2016年までに、ネットワークに接続された64億の「モノ」が使用されるよ[...]


3D NANDによるギガバイト規模のスケーリングの継続と、アプリケーション改善の仕組み
3D NANDは高密度、高信頼性、省電力を備え、これらの特性が必要な既存・新規のアプリケーションに対応


2D NANDにおける微細化が限界に達しつつあることから、NAND業界は数年前より3Dに取り組んできました。この取り組みによって所定のシリコン面積当たりのビット密度とギガバイト容量が増加したことで、フラッシュメモリー産業はムーアの法則を維持できると[...]



拡張可能ストレージチーム担当ディレクター ジャニス・シュウ




ヨシ・ピント(Yosi Pinto)





現在世界中で、各種センサーや演算処理能力機能を搭載したり、インターネットに接続してクラウドを利用したりする、スマートカ―と呼ばれる自動車が主流になりつつあります。こうした技術により可能になったアプリケーションはたくさんありますが、中でもあるアプリケーションが人気となって [...]



SDアソシエーション会長 ブライアン・クマガイ

2005年に登場したmicroSDメモリカードは、モバイルデバイスメーカーの製造コストを削減し、幅広い価格帯で最新型の携帯電話を提供することで売上増加に寄与し、販売戦略を支援してまいりました。microSDメモリカードはSDアソシエーション(SDA)の仕様、規格に基づくことで [...]




モノのインターネット(IoT)が世界を席巻しています。マッキンゼー・グローバル・インスティテュートの 報告書 では、IoTのグローバル経済に与える影響は2025年までに6兆2,000億ドルに達すると推測されています。同レポートはまた、接続デバイス市場規模が2020年まで [...]