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SK hynix Inc. Reports First Quarter 2021 Results April 28 , 2021 Seoul , April 28 , 2021 SK hynix Inc. ( or ' the Company ' , www.skhynix.com ) today announced financial results for its first quarter 2021 ended on March 31 , 2021. The consolidated revenue of the first quarter 2021 was 8.494 trillion won while the operating profit amounted to 1.324 trillion won , and the net income 993 billion won . Operating margin for the quarter was 16 % and net margin was 12 % . The Company made better results both QoQ and YoY in the first quarter as the semiconductor market conditions improved earlier this year . Although the first quarter is usually off - season of the semiconductor industry , the Company said that the market conditions improved as demand for memory products for PCs and mobiles increased . In addition , cost competitiveness has increased as yields of major products have improved . Through this , the revenue and the operating profit increased by 7 % and 37 % , respectively , compared to the previous quarter . For DRAM , the Company responded to market condition , and focused on mobiles , PCs , and graphics for sales . As a result , the Company's DRAM bit shipment increased by 4 % QoQ . For NAND Flash , the sales increase of high - density products for mobile devices led to NAND Flash bit shipment growth by 21 % QoQ . SK hynix is optimistic about the market conditions after the first quarter . The Company expects the inventory of customers to decrease quickly as current stronger - than - expected demand growth in the broader IT market continues . Demand for DRAM is likely to continue to grow , while the NAND Flash market demand is also expected to grow . SK hynix plans to respond to such market conditions proactively .