Samsung’s new microSD card is faster than some SSDs

Samsung’s upcoming microSD card will boost speeds dramatically. The company’s 256GB SD Express microSD — Samsung’s first SD Express card — can read data at a speed of 800 MB/s microSDs you can buy today. However, we don’t yet know how much it will cost, and the card won’t be available until later this year.

256GB SD Express microSD will have a (theoretical) sequence Read speed up to 800 MB/sthat’s more than 2.5 times the read speed on UHS-II microSD cards and 1.4 times faster. SATA SSDs. So, at least in theory, Samsung’s new card should be noticeably faster than the cheapest solid-state drives.

Samsung has added thermal management capabilities to help keep temperatures under control. “Dynamic Thermal Guard (DTG) technology maintains the optimal temperature for the SD Express microSD card even during long usage sessions to ensure stable performance and reliability for a small form factor.” he wrote in a press release announcing the new card.

Samsung (perhaps unsurprisingly) applies the mighty “AI” word to the card’s faster speeds. Samsung Vice President Hangu Sohn writes, “With our two new microSD cards, Samsung has introduced powerful solutions to address the growing demands of mobile computing and on-device artificial intelligence.

of the company The Galaxy S24 series makes huge advances in artificial intelligence, but Samsung hasn’t included a microSD slot in its flagship phones for the past four generations. (Neither is the rest of the smartphone playing field.) So while future AI-powered devices could benefit from the extra speeds, Samsung’s current high-end phones aren’t on this list. Additionally, while SD Express is backwards compatible, many devices do not (yet) support SD Express, which requires an additional row of pins on the host device. In other words, the card’s full potential won’t be realized until you get new hardware to support it.

Product image for 1TB Samsung microSD card.  Two cards (one white, one blue) on a white background.Product image for 1TB Samsung microSD card.  Two cards (one white, one blue) on a white background.


Although unrelated to the fast SD Express card, Samsung also introduced a new 1TB microSD with UHS-1 speeds. “Samsung’s new 1TB microSD card packs eight layers of the company’s 8th generation 1-terabit (Tb) V-NAND into a microSD form factor, realizing a high-capacity package previously only possible with SSDs,” the company wrote. . The 1TB card includes protection from water, extreme temperatures, drops, X-rays and magnets.

Samsung’s 256GB SD Express microSD card will be available “later this year,” while the 1TB UHS-1 microSD will be available in the third quarter of 2024. The company did not say how much both will cost.

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