SK hynix

As of 2026-10-09, SK hynix has 170 tracked suppliers and 14 tracked customers in this dataset; its largest supplier by market cap is ASML.

Sourced from 3 references — SEC filing, primary source, archived page — last verified .

HBM leader supplying NVIDIA; top-two in DRAM, owns Solidigm NAND.

Ticker
KRX: 000660
Headquarters
Icheon
Founded
1983
Employees
17,130
Revenue
$72.4B (FY2025) · +46.8% YoY
Net income
$32.0B
Operating margin
76.3%
Market position
leader
Value-chain segment
DRAM, NAND, HBM
Key products
HBM3E/HBM4, DDR5, NAND

About SK hynix

SK hynix, headquartered in South Korea, operates in the DRAM and NAND and HBM segments of the semiconductor & AI supply chain and is positioned as a market leader there. Its key products include HBM3E/HBM4, DDR5, NAND. wafergraph maps 170 tracked suppliers and 14 tracked customers for SK hynix across the value chain. It has a supply-chain criticality score of 81/100, with 235 companies downstream of it. SK hynix is a party to 2 tracked deals, including SK hynix acquires Intel NAND (Solidigm); SK hynix Indiana HBM fab.

SK Hynix Inc., stylized SK hynix, is a South Korean semiconductor company that manufactures dynamic random-access memory (DRAM) chips and flash memory chips. SK Hynix is one of the world's largest semiconductor vendors, and, along with Samsung Electronics and Micron, one of the "Big Three" memory manufacturers.

Role in the chain

SK hynix is a market leader in Memory (DRAM), headquartered in South Korea. HBM leader supplying NVIDIA; top-two in DRAM, owns Solidigm NAND.

Diligence questions

  1. The dataset records 170 tracked suppliers for SK hynix. Which of those edges are researched (named in a filing or primary source) versus segment-inferred, and what happens if one of them stops shipping?
  2. 43 of SK hynix's tracked suppliers are a monopoly or leader (including Ajinomoto, ASML, Carl Zeiss SMT, TRUMPF). Which of those are actually single-source for the process step you care about?
  3. The dataset names 14 tracked customers for SK hynix. How concentrated is demand among those names, and which of them have a documented second source in this graph?
  4. SK hynix is positioned as a leader in Memory. How replaceable is this vendor on the process step you are buying?
  5. SK hynix is headquartered in South Korea. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
  6. SK hynix trades as KRX:000660. What does the latest reported period say about capacity and backlog versus the graph position above?

Full diligence pack for SK hynix

Key products

  • HBM3E/HBM4
  • DDR5
  • NAND

Suppliers

Customers

More Memory companies

Compare with

Micron Technology · Samsung Electronics · Nanya Technology · Winbond Electronics · Kioxia Holdings · SanDisk

Sources

Open the interactive supply-chain view →

Cite as: wafergraph, “SK hynix — supply chain, financials & market position”, https://wafergraph.com/company/sk_hynix (data as of 2026-10-09).

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