SK Group subsidiaries SK Hynix (KRX:000660) and SK Telecom (KRX:017670) unveiled separate partnerships with U.S. chip giant Nvidia to support AI infrastructure expansion and next-generation memory development.

SK Telecom plans to build a gigawatt-scale AI cloud in South Korea using Nvidia's DSX platform, with the first AI factory expected to begin operations next year, Nvidia said in a press release.

The AI cloud will deliver sovereign, physical and agentic AI services to enterprises and industries nationwide, leveraging SK Telecom's network, data center and enterprise infrastructure capabilities.

Meanwhile, SK Hynix signed a multi-year technology partnership with Nvidia to develop next-generation memory solutions.

The agreement is intended to help secure supplies of advanced memory needed to support the expansion of AI factories worldwide while addressing the long development timelines and significant investments required for production, Nvidia said in a separate release.

Shares of SK Telecom rose nearly 2%, while those of SK Hynix fell over 5% in Monday morning trade.