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SD cards with potential for 128 TB storage
July 8, 2018, 3:42 pm

The Secure Digital (SD) Card Association has announced a new specification for its cards that could potentially increase maximum storage for SD cards to 128 terabytes and provide much faster data transfer speeds of 985 megabytes per second.

Right now, the maximum storage space on an SD card is 2TB, and that limit was promised as far back as 2009, but still has not yet been realized. In 2016, SanDisk unveiled a prototype SD card with 1TB storage, but it is still not available in the market.

Though high-speed, high-storage media are necessary to match the ever-increasing data-heavy formats like 4K video and Virtual Reality (VR), creating SD cards with massive amounts of storage is cost-prohibitive. SanDisk’s 512GB SD card used to cost $800, and though has dropped in price, it is still priced around $300.

The new faster speeds, called SD Express, will come to all types of cards, but the high storage is a new thing called an SD Ultra Capacity (SDUC) card. Given how slow the progress has been toward 2TB cards, there is no telling how long it will take before manufacturers hit the higher figures that SDUC allows, but perhaps the increased storage capacity and shift to increasingly higher-resolution video will give companies more reason to invest.

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