SK hynixCertified
Low-power DRAM. On 11 November 2026 SK hynix said this product and its development process received IEC 61508 SIL 3 certification, which the company calls the highest level a single memory chip can reach, and an ISO/SAE 21434 cybersecurity management certification from SGS-TUV Saar. The company says it was validated for continuous mode and is aimed at robotics, edge devices, and smart factories as well as automotive use. Densities and customer qualifications were not stated.
Latest update Nov 11, 2026
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Company announcement of 11 November 2026. SIL 3 and the process certification are SK hynix's account of SGS-TUV Saar assessments.
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SK hynix said on 11 November 2026 that LPDDR5X and its development process received IEC 61508 SIL 3 certification, which the company calls the highest level a single memory chip can reach, plus an ISO/SAE 21434 cybersecurity management certification. Both came from SGS-TUV Saar. The company says the part was validated for continuous mode, for uses such as robotics and smart factories, and that this extends an earlier ISO 26262 ASIL-D automotive certification. The Asia Business Daily reported the same claims.
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SK hynix's sixth-generation high-bandwidth memory for AI accelerators. The company said mass shipments began in the second quarter of 2026. On Oct. 28, 2026 it said HBM4 shipments expanded in the third quarter and that it expects HBM4 to surpass HBM3E in shipment volume and revenue in the fourth quarter.
The prior high-bandwidth memory generation. SK hynix described it as the mature comparison point for HBM4, saying HBM4 yields and product quality had reached levels close to HBM3E. FY2025 results also said the company had been supplying HBM3E and HBM4.
SK hynix's advanced NAND node, including QLC products used in high-capacity enterprise SSDs. The Q2 2026 release said 321-layer products already represent the largest share of NAND production and are planned to reach about 50% of domestic production capacity by the end of 2026. FY2025 results said development of 321-layer QLC products was complete.
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