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Nebius / Mäntsälä / Uusimaa / FI
A power or accelerator figure appears above only where an operator or a filing states it.
8,000 chips · NVIDIA H100 SXM5 80GB · 8,000 H100e · 11 MW, estimated · since 2024-05
Used by Cloud
1,520 chips · NVIDIA H100 SXM5 80GB · 1,520 H100e · 2 MW · since 2023-11
Used by Cloud
None recorded.
Published figures for 2025, from the source named under them.
Who Nebius buys from and sells to, each relationship carrying the source that states it.
Supplies contracted high-density datacenter capacity lease at CWL1
Under the agreement, Nebius will lease high-density capacity at CWL1 to support AI training, inference, agentic AI and enterprise AI workloads, serving enterprises, researchers, startups and public sector organizations seeking access to advanced AI infrastructure.
Vantage Data Centers and Nebius Expand UK AI Infrastructure with First Deployment in South Wales AI Growth Zone · Vantage Data Centers · read 2026-09-11
Supplies GPU chips
We currently rely on Nvidia for the GPU chips we use and on a limited number of other suppliers for other key components in our infrastructure.
Nebius Group N.V. Form 20-F for fiscal year 2025 · Nebius Group N.V. · read 2026-09-11
Buys AI infrastructure under a long-term supply agreement
On March 16, 2026, the Group entered into a long-term AI infrastructure supply agreement with Meta.
Nebius Group N.V. Form 20-F for fiscal year 2025 · Nebius Group N.V. · read 2026-09-11
Buys Compute capacity across upcoming Nebius clusters, contracted
Furthermore, in connection with access to these NVIDIA Vera Rubin deployments, Meta has committed to purchase additional available compute capacity across certain upcoming Nebius clusters up to a total of $15 billion over a five-year period.
Nebius signs new AI infrastructure agreement with Meta (Form 6-K exhibit 99.1) · Nebius Group N.V. · read 2026-09-11
Buys Dedicated capacity from its new Vineland, New Jersey data center
Under this multi-year agreement, Nebius will deliver dedicated capacity to Microsoft from its new data center in Vineland, New Jersey starting later this year.
Nebius announces multi-billion dollar agreement with Microsoft for AI infrastructure · Nebius Group N.V. · read 2026-09-11
Buys Dedicated GPU cloud computing capacity and related cloud services
On November 1, 2025, the Group entered into a Cloud Infrastructure Services Agreement (the “Meta Agreement”) with Meta Platforms, Inc. (“Meta”), pursuant to which the Group provides Meta with access to dedicated GPU cloud computing capacity and related cloud infrastructure services over a five-year term delivered in two tranches.
Nebius Group N.V. Form 20-F for fiscal year 2025 · Nebius Group N.V. · read 2026-09-11
Buys Dedicated GPU cloud computing capacity at the Vineland, New Jersey data center
On September 8, 2025, the Group entered into a commercial agreement (the “Microsoft Agreement”) with Microsoft Corporation (“Microsoft”), pursuant to which the Group provides Microsoft access to dedicated GPU cloud computing capacity in clusters (each, a “Microsoft GPU Service”) at its new data center in Vineland, New Jersey over a five-year term.
Nebius Group N.V. Form 20-F for fiscal year 2025 · Nebius Group N.V. · read 2026-09-11
Every company Nebius deals with, and its own other sites, are on the Nebius page.
Every change is appended, so an earlier value stays readable beside the one that replaced it.
The Mäntsälä data center is also home to ISEG, among the most powerful supercomputers worldwide in both performance and energy efficiency.
Nebius is already one of the leading providers of GPU capacity in Europe through the Mäntsälä data center.
Our Mäntsälä data center was built from the ground up by our highly experienced team with efficiency engineered into every detail, from layout to day-to-day operations.
Located in Mäntsälä, Uusimaa, the 40MW facility launched around 2014.
The site is home to the ISEG supercomputer; a 46.54 petaflops system equipped with Intel Xeon CPUs and Nvidia H100 GPUs.
