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The largest microSD card in the world can hold more than one million floppy discs

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350 DVDs, 70 Blu-rays, or 15,000 Zip discs can all fit on a 1.5TB card.

image credits: technohoop

Micron has launched the world’s highest-capacity microSD card, the i400, with storage space of up to 1.5TB, 50 percent more than the old champion, the C200.

The multinational semiconductor company will focus on the corporate market, especially anything related to video storage at the edge, and obtained that capacity by employing its 176-layer 3D NAND technology (like to that found in SSDs). In other words, don’t expect the card to be inexpensive or simple to find, especially considering that it is built to withstand five years of nonstop, high-quality recording at a time and has an incredible MTBF of two million hours.

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There are no specifics on its performance, but given that it is definitely an industrial-grade product (unlike the C200), write and endurance are probably at the very top of the range. The i400 (also available in capacities as small as 64GB) is likely to include some extra capacity for wear levelling. The C200 employed a 96-layer 3D NAND technology.

What does microSD’s future hold?

Silicon Power, Lexar, Sandisk, Teamgroup, and PNY are the only companies to have released 1TB microSD cards to yet; Samsung and Kingston have remained silently absent from the market.

High-capacity, high-performance local storage is no longer necessary for the majority of use cases because to cloud storage, affordable bandwidth, and pervasive high-speed networking. This is one of the reasons why the majority of expensive smartphones no longer have portable storage.

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So, will more companies use larger-than-1TB microSD cards after Micron? Perhaps, but in a market that is always contracting, they won’t be cheap.

SD Express, a fast technology that could increase data transfers to 4GBps, is one feature that was left out of the i400. The issue is that, in most cases, readers and other compatible devices are not easily accessible, making it difficult to justify a considerable increase in component prices.

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