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TSMC Fab 21 (N4/N3)
[Last updated: Apr 2026]
This semiconductor fab is located in Phoenix, USA.
| Fab: | TSMC Fab 21 (N4/N3) Gigafactory |
| Company: | TSMC |
| Owner: | TSMC |
| City: | Phoenix |
| State: | Arizona |
| Country: | USA |
| Geopolitical: | US Domestic (LOW risk) | Node/Line: | 3-4nm |
| Category: | Leading Edge |
| Wafer size: | 300.00 nm |
| Product: | Logic SoCs, AI accelerators |
| Fab type: | Logic |
| Status: | Operational/Ramp |
| Capacity: | 35 kWSPM |
| Customers: | Apple, AMD, Nvidia (planned) |
Notes: CHIPS Act beneficiary; Phase 1 N4, Phase 2 N3 planned 2028
source: TSMC Arizona press releases