Level 1 · Foundations5 min read
Types of data centres: enterprise, colocation, hyperscale, edge
Not all data centres are the same. Here are the main types and who uses each.
Five types you'll hear about
| Type | Who owns and uses it | Typical size | Example use |
|---|---|---|---|
| Enterprise | One company, for its own IT | Small to medium | A bank's private data centre |
| Colocation (retail) | A provider rents racks or cages to many customers | Medium | Businesses that don't want to run their own building |
| Colocation (wholesale) | A provider leases whole halls or buildings to large clients | Large | Cloud and AI companies leasing megawatts |
| Hyperscale | Very large campuses built for cloud and AI giants | Tens to hundreds of MW per building | Cloud regions, AI training clusters |
| Edge | Small sites close to users | Very small | Low-latency apps, 5G, content caching |
How capacity is measured
Data centres are sized in megawatts (MW) of IT load — the power available for servers, not floor area. A small enterprise room might be under 1 MW; a hyperscale campus can be hundreds of MW, and AI campuses are now planned in gigawatts (GW) (1 GW = 1,000 MW).
Who's who
- Operators / developers build and run the facilities.
- Tenants / customers (clouds, AI labs, enterprises) put their IT inside.
- Contractors and vendors design, build and supply power and cooling equipment.
Career tip: colocation and hyperscale operators hire the most operations staff — technicians, engineers, shift leads and critical-facility managers.
Remember
- Size is measured in MW of IT load.
- Colocation = shared building; hyperscale = giant campus for one big tenant; edge = small and close to users.