SK Hynix Inc. is a South Korean supplier of dynamic random-access memory (DRAM) chips and flash memory chips.

The company's major customers include Microsoft, Apple, Asus, Dell, MSI, HP Inc., and Hewlett Packard Enterprise (formerly Hewlett-Packard). Other products that use Hynix memory include DVD players, cellular phones, set-top boxes, personal digital assistants, networking equipment, and hard disk drives.

Founded as Hyundai Electronic Industrial Co., Ltd. in 1983 and known as Hyundai Electronics, the company has manufacturing sites in Korea, the United States, China and Taiwan.

SK Hynix’s timeline

1985: Started mass production of 256K DRAM

1986: The Hyundai-manufactured Blue Chip PC was sold in discount and toy stores throughout the US. It is one of the earliest PC clones marketed toward consumers instead of business

1993: Took over Maxtor (US HDD main factory)

1996: Initial public offering on the Korea Stock Exchange

1999: Merged with LG Semiconductor Co., Ltd (founded in 1979), then a division of LG Electronics.

2001: Changed the company name to Hynix Semiconductor Inc. (from Hyundai Electronics); spun off Hyundai Syscomm, Hyundai CuriTel, and Hyundai Networks; completed spin-off from Hyundai Group

2002: Sold HYDIS, TFT-LCD Business Unit

2004: Signed System IC Business Transfer Agreement with System Semiconductor

2005: Emerged from Corporate Restructuring Promotion Act ahead of schedule. Fined US$185M for involvement in DRAM price fixing cartel

2006: Posted record the highest revenues since foundation. Established global manufacturing network with complete construction of Hynix-ST Semiconductor Inc. Hynix's wholly owned manufacturing subsidiary in China

2007: Appointed Jong-Kap Kim as the new Chairman & CEO

2009: Company put up for sale by its lenders after it defaulted on loans and a subsequent debt-equity swap

In January 2010, Hynix Semiconductor Inc was put up for sale in an auction valued at close to $3 billion.

On 31 August 2010, HP announced collaboration with Hynix to bring memristor to high volume manufacturing step (targeted for 2013)

2012: SK Group, the third-largest conglomerate in South Korea, acquired a 21.05% stake in Hynix.

2014: SK hynix acquired the firmware division of Softeq Development FLLC to make it part of its global R&D network alongside Italy-based Ideaflash S.r.l, Link_A_Media Devices and Violin Memory in the US, and Taiwanese Innostor Technology.

2020: Hynix announces agreement to purchase Intel's NAND business for $9 billion, expected to close in 2021

According to Wikipedia