Nvidia is still working with suppliers on RAM chips for Rubin

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Jan 26, 20262 mins

After changing its requirements for high-bandwidth memory chips, Nvidia is close to certifying a new source for supplies.

nvidia ceo jensen huang rubin platform CES 2026
Credit: Nvidia

Nvidia changed its requirements for suppliers of the next generation of high-bandwidth memory, HBM4, but is close to certifying revised chips from Samsung Electronics for use in its AI systems, according to reports.

Nvidia revised its specifications for memory chips for its Rubin platform in the third quarter of 2025, semiconductor market analyst TrendForce reported earlier this month. It said Samsung’s early design choices made it easier for it to meet the new specification, meaning it would likely beat rival suppliers SK Hynix and Micron in the race to deliver chips for Rubin.

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Those Samsung chips are close to receiving Nvidia’s final approval, Bloomberg reported Monday, although it said the exact shipment date is not yet known. No Samsung representative was available for comment, according to Bloomberg.

Maxwell Cooter

Maxwell began writing about technology in 1984, when mainframes ruled the world. Since then he has written for just about every business computing title in the UK, and for a few in the US, covering everything from Artificial intelligence to Zero-day exploits and all points in between. He has also been editor-in-chief of several award-winning titles, including Network Week, Techworld, and Cloud Pro, and a regular contributor to Whatsonstage.com. In his spare time he coaches a junior rugby team.

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