Market comparison
Tokyo (Inzai), Japan vs Seoul, South Korea
Both columns are built from the catalog and the price index: Tokyo (Inzai) — 78 facilities from 23 operators, Seoul — 26 facilities from 11 operators. Where a benchmark or a tariff is not published, the cell says so.
Tokyo (Inzai), Japan
78
Tracked facilities · Operators: 23
Wholesale benchmark, $/kW/month: $280
Seoul, South Korea
26
Tracked facilities · Operators: 11
Wholesale benchmark, $/kW/month: not published
Markets side by side
| Field | Tokyo (Inzai) | Seoul |
|---|---|---|
| Tracked facilities | 78 | 26 |
| Operators | 23 | 11 |
| Published IT capacity | 1,841 MW (33 of 78 sites publish) | 130 MW (5 of 26 sites publish) |
| Operational | 66 | 25 |
| Under construction / announced | 12 | 1 |
| Tier III+ certified sites | 2 | 4 |
| Sites with any certification | 21 | 8 |
| Liquid-cooled sites | 7 | 0 |
| AI-ready sites | 7 | 1 |
| Wholesale benchmark, $/kW/month | $280 | not published |
| Benchmark change, yoy | 0% | not published |
| Industrial power tariff, $/kWh | $0.185 | $0.118 |
| Average Coloprice Score | 23/100 across 78 sites | 23/100 across 26 sites |
| Latency between the two | 29 ms round trip | |
Counts are the Coloprice catalog as of 2026-10-01; benchmarks are the Colocation Price Index (Q3 2026). Operators publish some facts and not others — an empty cell means «not published», not zero.
Where they differ
Only fields both sides publish and where the values are not identical. This is not a judgement: the right choice depends on the workload, the contract and the site.
- Tracked facilities: Tokyo (Inzai) — 78; Seoul — 26
- Operators: Tokyo (Inzai) — 23; Seoul — 11
- Published IT capacity: Tokyo (Inzai) — 1,841 MW (33 of 78 sites publish); Seoul — 130 MW (5 of 26 sites publish)
- Operational: Tokyo (Inzai) — 66; Seoul — 25
- Under construction / announced: Tokyo (Inzai) — 12; Seoul — 1
- Tier III+ certified sites: Tokyo (Inzai) — 2; Seoul — 4
- Sites with any certification: Tokyo (Inzai) — 21; Seoul — 8
- Liquid-cooled sites: Tokyo (Inzai) — 7; Seoul — 0
- AI-ready sites: Tokyo (Inzai) — 7; Seoul — 1
- Industrial power tariff, $/kWh: Tokyo (Inzai) — $0.185; Seoul — $0.118
- Average Coloprice Score: Tokyo (Inzai) — 23/100 across 78 sites; Seoul — 23/100 across 26 sites
Published for only one side: Wholesale benchmark, $/kW/month, Benchmark change, yoy.
Top facilities by score
Tokyo (Inzai), Japan
- Equinix TY12x Equinix · 54 MW
- Telehouse Tokyo Tama 3 Telehouse
- Equinix TY15 Equinix
Seoul, South Korea
- Equinix SL2x Equinix · 22 MW
- Digital Realty ICN10 (Digital Seoul 1) Digital Realty · 12 MW
- STT Seoul 1 STT GDC Korea (joint venture with Hyosung Heavy Industries) · 30 MW
Open Tokyo (Inzai) data centers →Open Seoul data centers →Colocation pricing in Tokyo (Inzai) →Colocation pricing in Seoul →
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