🇺🇸 Colossus 1
xAI Memphis Supercomputer Cluster · Memphis, Tennessee
Grok training, AI research compute
Updated 2026-05-27 · Satellite imagery 12/30/2025 · 5/6 milestones verified
Built footprint
60%
Before
NowFirst and most-recent frames from the Sentinel-2 timelapse.
Area
500K+ sqft
Capacity
~555K mixed GPUs · 1M target moved to Colossus 2
Investment
~$18B (cumulative spend)
Employees
500+
Grok Version
Grok-4 (training, started 2026-03)
Active Serving
Grok-3
GPU Mix
~100K H100 · ~50K H200 · ~30K+ GB200 · GB300 (added late 2025/early 2026)
Power
~2 GW (campus, incl. dedicated natural-gas plant)
Colossus 1
35.0592° N, 90.1557° W
Satellite timelapse
32 frames · Sentinel-2 + ESRILatest: 2026-05-15 · Source: Sentinel-2 L2A (Copernicus)
Milestones
5/6Progress by year
2020–20260%'20
0%'21
0%'22
0%'23
30%'24
50%'25
60%'26
Latest: 60%expanding
Latest news
Jul 9CleanTechnicaXPENG MONA L03: The Best Base Tesla Model Y Competitor?Jul 8CleanTechnicaAsleep Behind The Wheel Of A Tesla Using FSD?Jul 8CleanTechnicaThis Robotaxi Company Is Growing Its Share Of US Market — Not Waymo, Not TeslaJul 8TeslaratiTesla FSD is about to know your specific house and neighborhood better than any mapJul 8ElectrekTesla leases 683,000 sq ft Austin building in Musk’s Texas sweepJul 8ElectrekTesla launches ‘Tesla Home’ with Opticaster AI to cut power billsJul 8TeslaratiThe secret behind Tesla’s Cybercab Gold goes well beyond just the colorJul 7TeslaratiTesla app update makes Robotaxi ownership make a lot more senseJul 7ElectrekSomeone is trying to flip a new Rivian R2 for $80,000 — $20K over MSRPJul 3ElectrekTesla caps employee AI spending at $200/week except for Grok
Latest signal
Hacker Newsdansquizsoft·1w
Musk says SpaceX is putting top Starship and Starlink engineers to work on Grok
▲ 4
Hacker Newsarm32·1w
Fable 5 update: Still willing to cybercrime
▲ 19💬 16
Hacker Newsivewonyoung·1w
Full duration single-engine static fire test of Starship 40
▲ 1
Hacker NewsJumpCrisscross·1w
SpaceX plans to build 'Starpipe' natural gas pipeline to fuel Starship rockets
▲ 4
Hacker Newstosh·1w
Optimus Cirrus
▲ 2
Hacker Newswoldemariam·1w
The Anti-Cybertruck: A Doorless EV Beach Buggy for the 1%
▲ 3
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