If the problem is intermittent power spikes in server rows, I’d prioritize DCIM platforms that can see the electrical chain below the UPS—not just rack capacity or aggregate kW.
Best options
| Tool | Power-distribution visibility | Best fit |
|---|
| Schneider Electric EcoStruxure Power Monitoring Expert | Excellent — breaker/meter status, electrical events, waveform/power-quality analysis, historical logs, protection settings and power forensics | Troubleshooting spikes and electrical anomalies |
| Schneider EcoStruxure IT | Very good for UPS/PDU/device monitoring, alarms and centralized infrastructure visibility | APC/Schneider-heavy environments |
| Sunbird dcTrack / Power IQ | Very good rack/PDU-level power visibility, capacity and power-chain modeling | Multi-vendor DCIM and rack-level operations |
| Nlyte | Good power/capacity modeling and enterprise infrastructure management | Large, complex multi-site environments |
| Vertiv Trellis / current Vertiv monitoring offerings | Historically strong from utility input through rack distribution | Vertiv-heavy facilities, but verify current product roadmap |
Schneider's Power Monitoring Expert (PME) stands out for your particular symptom: it is designed for electrical-system health and includes power-quality/event analysis and voltage-disturbance waveform analytics, which is much closer to investigating why a spike occurred than simply displaying rack utilization.
For broader DCIM, EcoStruxure IT provides real-time infrastructure monitoring and integrates with UPSs, PDUs and cooling equipment; Schneider describes its Data Center Expert product as collecting and organizing device information with real-time monitoring, graphs, reports and fault notifications.
Sunbird is particularly interesting if you need to correlate a spike with a particular rack/PDU and its downstream IT equipment. Its own material distinguishes DCIM power monitoring from server-management tools and lists Power IQ among its power-monitoring capabilities.
One important caveat: Vertiv Trellis Monitoring Management is now listed as discontinued, so I wouldn't start a new deployment around legacy Trellis without discussing Vertiv's replacement path.
For your specific troubleshooting case
I'd shortlist PME + a DCIM layer rather than treating DCIM alone as the power-quality instrument:
PDU/circuit → rack → server correlation: Sunbird dcTrack/Power IQ or EcoStruxure IT
Finding the actual electrical transient: EcoStruxure Power Monitoring Expert
Enterprise asset/capacity/workflow: Nlyte
When evaluating vendors, specifically ask whether they can capture per-phase voltage/current, RMS and peak values, breaker events, waveform captures, timestamps at sub-second resolution, PDU branch-circuit data, and UPS input/output events. Those capabilities will matter far more for intermittent spikes than a DCIM dashboard's headline "power monitoring" feature.