What Sunon makes for data centers
public · HQ Taiwan
Sunon is a publicly listed company and based in Taiwan. It appears on 1 part of the AI data center — Fans — in the role of manufacturer. That part sits in Layer 4 — Servers, racks & integration. Its shares trade on Taiwan Stock Exchange as 2421.TW.
Listing
Taiwan Stock Exchange: 2421.TW· 155 TWD -2.52% · mkt cap 44.3B TWD
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
1 part across 1 layer
No disclosed data-center revenue share on file.
Parts, by layer
Layer 4 — Servers, racks & integration
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Fans | manufacturer | inferred | AVC, Delta Electronics, Foxconn (Hon Hai), Nidec, Sanyo Denki, Cooler Master |
Where Sunon sits in the stack
Sunon's placements in this catalog cover 1 part, all in layer 4, servers, racks & integration. None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- Fans — The axial and centrifugal fans mounted in server chassis and rack trays that move air across heatsinks and boards, still needed even in racks that use liquid cooling for the highest-power chips.
Closest peers in this catalog
| Company | Shared parts | Including | |
|---|---|---|---|
| AVC | 1 | Fans | |
| Delta Electronics | 1 | Fans | |
| Foxconn | 1 | Fans | |
| Nidec | 1 | Fans | |
| Sanyo Denki | 1 | Fans | |
| Cooler Master | 1 | Fans |
Seen in real machines
Sunon is named in 1 of the rack teardowns and supercomputer breakdowns on this site. Each line below is a piece of that machine.
- Nvidia GB300 NVL72 · rack teardown
- Tray fans (for non-GPU components)
Monthly revenue (TWSE/TPEx filing)
| Month | Revenue (TWD m) | MoM | YoY |
|---|---|---|---|
| 2026-09 | 2,049 | 3.8% | 16.5% |
| 2026-08 | 1,974 | -6.9% | 26.0% |
| 2026-07 | 2,119 | 14.2% | 31.6% |
| 2026-06 | 1,855 | 9.6% | 18.6% |
| 2026-05 | 1,692 | -9.6% | 14.9% |
| 2026-04 | 1,871 | -2.4% | 15.0% |
| 2026-03 | 1,918 | 44.9% | 22.5% |
| 2026-02 | 1,323 | -25.6% | 2.3% |
| 2026-01 | 1,778 | -0.7% | 36.5% |
| 2025-12 | 1,791 | 16.8% | 30.1% |
| 2025-11 | 1,534 | -3.7% | 17.6% |
| 2025-10 | 1,594 | -9.4% | 35.6% |
Questions about Sunon
- What does Sunon make for AI data centers?
- This catalog places Sunon on 1 part: Fans (manufacturer).
- Is Sunon publicly traded?
- Yes — Sunon is listed on Taiwan Stock Exchange under 2421.TW. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is Sunon based?
- Taiwan, per the company record in this catalog.
- Who else makes fans for AI data centers?
- AVC, Delta Electronics, Foxconn (Hon Hai), Nidec, Sanyo Denki and Cooler Master are also placed on Fans in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Sunon the mix is 1 inferred. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.