MHI launches DIAVAULT secure high-performance edge data center

MITSUBISHI HEAVY INDUSTRIES · February 24, 2026 · ✓ verified

Mitsubishi Heavy Industries has announced the launch of DIAVAULT, an industrial-grade secure edge data center platform intended to provide integrated power, cooling, and on-premises AI/data processing.

  • Main announcement: MHI launched DIAVAULT, an industrial-grade edge data center platform providing integrated power, cooling systems, and data processing for on-site (on-premises) AI and data utilization; DIAVAULT supports deployments from small-scale sites up to inference data centers of several megawatts, offers two-phase direct chip cooling, a compact server room (equivalent to two 20-foot containers), an uninterruptible power supply with continuous power feed, and remote unmanned operation.
  • Background and details: MHI opened a demonstration AI data center at Yokohama Hardtech Hub (YHH) at Mitsubishi Heavy Industries Yokohama Works for validation; DIAVAULT emphasizes high security and low latency versus cloud, includes proprietary digital integrated air conditioning control technology to optimize energy use (improving PUE), and will be promoted through collaboration with domestic and international partners.
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