Colossus 1
SpaceXAI / xAI · Greater Memphis AI Campus
- IT live
- 300 MW
- Remaining
- 0 MW
- $ / kW·mo
- $63
- White space
- 600k ft²
Inventory
100% occupiedPower
300 MWcampus
0 MW to commission · 300 MW in use
White space
600k ft²total
— free · 600k ft² occupied
56k m²
Remaining power is campus IT not yet commissioned — captive capacity, not third-party colo.
Power
About 100 MW of the utility feed is cooling, conversion, and house load.
Power cost
$63/kW·mo
7.2¢ industrial · 8.6¢ after PUE 1.20
- Per MW·year
- $757k
- This site · 300 MW
- $227M/yr
- 80 kW rack
- $5,046/mo
2.3× the cheapest market (Iceland Landsvirkjun). Same IT load there is $126M/yr less.
MLGW / TVA · utility tariff × PUE, not colo list price.
- Redundancy
- N+1
- Opened
- 2024
- Renewable match
- 5%
- Rack density
- 80 kW
- PUE
- 1.201.00 ideal · 1.60 typical
- Power source
- On-site gas turbines and Tesla Megapacks; limited grid interconnection.
Cooling
Plant
Direct-to-chip
Liquid
Deployed
Rack density
80 kW
H100-eq
200k
WUE
—
Operator has not published WUE. Blank, not zero — air-cooled sites still use some water.
Direct-to-chip on Hopper and Blackwell clusters. First 100k-class GPU cluster came online in roughly 122 days.
Network carriers
3On-net and metro carriers typically present at this location, including internet exchanges. Not a full circuit inventory.
Clouds
1Native regions and typical Direct Connect / ExpressRoute / Interconnect on-ramps at this campus. Availability varies by hall.
Location
Memphis, Tennessee, United States
South Memphis / former Electrolux plant
35.145°, -90.052° · North America
Tenants / users
Anthropic, SpaceXAI
Notes
Original Colossus building. Anthropic rented essentially all capacity in May 2026.
Compiled from public filings, operator pages, and reporting. Not an official operator specification.