London data center (LON-3)

Colocate with confidence

Our London data center LON-3 is located at the heart of the densely interconnected Slough data center corridor to the west of the M25. The three-story highly secure facility, scheduled for phased opening through 2026, contains six CPU and GPU-ready data halls offering a total critical IT capacity of 25 MW. As well as providing a wide range of on-site network services, the data center is connected to the LINX exchange, with dark fiber access to hundreds of other networks, clouds and service providers.

Three reasons to choose Iron Mountain LON-3

• Room to scale

  25 MW of AI-ready infrastructure RFS in 2026.

• Connectivity-rich

  Huge selection of carriers and other cloud on-ramps in-house and via the Slough data hub.

• Compliance

  The industry’s most comprehensive compliance program.

Beneficial relationships