data center power

2 articles

GPU Cluster Power Consumption Calculator: PUE and MWh

A 2026 audit-ready GPU cluster energy calculator covering inventory power, phase-based annual MWh, PUE boundaries, tariff costs, emissions and a fictional worked example.

9/19/2026• 18 min read

gpu cluster power consumption calculatorgpu cluster energy calculatorannual mwh

400 VDC vs 800 VDC vs 415V AC: AI Datacenter Power Architecture

A 2026 comparison of 400 VDC, 800 VDC, and 415V AC data center power architectures, covering NVIDIA's monopolar Kyber design, OCP's bipolar Diablo 400 spec, copper and efficiency data, and rollout timelines.

7/21/2026• 35 min read

800vdc400vdc415v ac