# Who does SK Telecom pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/sk-telecom · Facet: suppliers · Updated: 2026-09-04T23:12:03.466333+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: SK Telecom's confirmed suppliers/cost counterparties include NVIDIA, SK하이닉스 plus 1 undisclosed/aggregate relationship. Per the valuechain.wiki graph: 3 cost edges, backed by 3 dated sources, 1 of them primary filings (as of 2026-09-04).

### NVIDIA (high)  → /nvidia.md
- note: Launched GPUaaS on NVIDIA H100 and introduced H200 first in Korea; the SK Group AI Factory runs 50,000+ NVIDIA GPUs with a gigawatt-scale Ulsan AI data center. SKT is an NVIDIA Cloud Partner.
- [confirms] DART (FSS) (KO, filing, published 2026-03-18) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318000532: "AI data center revenue KRW 397.4B (+13.1%); new GPUaaS investment."
- [confirms] The Korea Herald (EN, news, published 2025-01-13) https://www.koreaherald.com/article/10389109: "SKT's GPUaaS is powered by NVIDIA's H100 GPUs, and it plans to introduce H200 first in Korea in Q1."

### Anthropic (high)  → /anthropic.md
- note: Invested in Anthropic for a 2% stake in 2023, since diluted to ~0.3% through subsequent funding rounds.
- [confirms] The Electronic Times (ETNews) (KO, news, published 2023-08-13) https://www.etnews.com/20230813000055: "SK Telecom is making a strategic investment of $100 million (about 130 billion won) in US generative AI company Anthropic."
- [confirms] SK Telecom (press release) (EN, ir, published 2023-08-13) https://www.sktelecom.com/en/press/press_detail.do?idx=1576: "SKT today announced that it is investing additional USD 100 million in Anthropic, an AI safety and research company based in San Francisco."

### 주파수·네트워크 설비 (비공개) (mid)
- note: Spectrum fees and base-station/network capex.
- [confirms] DART (FSS) (KO, filing, published 2026-03-18) https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318000532: "Network capex and spectrum costs."

### SK하이닉스 (mid)  → /sk-hynix.md
- note: SK Group affiliate collaboration: a Jan 2025 CES agreement with SK hynix and Penguin Solutions for joint AI data-center R&D, with SK hynix HBM in SKT's Pangyo AI data-center testbed (not a shareholding; SK hynix's largest holder is SK Square).
- [confirms] SK hynix (EN, ir, published 2025-01-10) https://news.skhynix.com/sk-hynix-partners-with-skt-and-penguin-solutions-to-drive-ai-data-center-business/: "SK hynix signed an agreement with SK Telecom and Penguin Solutions to promote joint R&D and business of AI data center solutions."

Reverse side: https://valuechain.wiki/sk-telecom/customers.md · Ripple: https://valuechain.wiki/sk-telecom/ripple.md

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Full node: https://valuechain.wiki/sk-telecom.md · JSON: https://valuechain.wiki/sk-telecom.json