15–80 kW · 208/120V Three-Phase · Modular Online Double-Conversion UPS · Unity PF · High Density · Competitive Comparisons

M90U-80 modular UPS comparisons

The Xtreme Power M90U-80 Series is a true online double-conversion modular UPS platform (208/120V three-phase) for mission-critical infrastructure, data centers, industrial power, and distributed edge environments. It scales from 15 to 80 kW at unity power factor with hot-swappable power modules in a compact single-cabinet architecture, with N+1 redundancy supported up to 60 kW. This hub provides side-by-side comparisons against leading modular platforms from Riello, Mitsubishi, APC, Vertiv, and Eaton — covering usable kW, runtime architecture, footprint and density, efficiency, serviceability, and regulated-procurement eligibility.

Capacity
15–80 kW, unity PF
Architecture
4 modules, N+1 to 60 kW
Efficiency
94% / 98% ECO
Footprint
Single 23.6-in cabinet
Why engineers choose M90U-80

What the platform brings to a comparison

Across these comparisons, the M90U-80 consistently brings unity power factor output, hot-swappable power and battery modules, and integrated batteries, bypass, and a modular static switch in a single cabinet — with capacity that scales without external battery cabinets. Where a competitor leads on a given spec, the per-comparison pages show it honestly rather than recoloring it.

Unity PF output (kW = kVA)Hot-swappable power & battery modules (15–80 kW)N+1 through 60 kW configurationsIntegrated bypass & modular static switchScalable runtime without external cabinetsECO-mode efficiencyLower lifecycle cost

Learn more about the M90U-80 platform.

Platform snapshot

M90U-80 at a glance

CategoryM90U-80 platform
Capacity15–80 kW, unity power factor (kW = kVA)
TopologyModular online double-conversion, 208/120V three-phase
ModularityUp to four hot-swappable 15 / 20 kW power modules; up to 16 internal battery modules
RedundancyN+1 capable (ceiling 60 kW; 80 kW fully populated, non-redundant)
EfficiencyUp to 94% online, up to 98% ECO mode
IntegrationSingle cabinet — internal batteries, modular static switch, front maintenance bypass
ComplianceUL-1778, cUL, FCC A, RoHS, TAA (select models)
Warranty2-year electronics, 2-year battery (USA & Canada)
M90U-80 vs Riello

vs Riello Multi Power2

Riello Multi Power platforms are widely deployed in enterprise and industrial environments. This comparison focuses on usable power, modular architecture, runtime, and lifecycle scalability.

ComparisonFocus
M90U-80 vs Riello Multi Power2 M2U-68Baseline and scalable runtime, modular architecture, and usable powerCompare →
M90U-80 vs Mitsubishi

vs Mitsubishi DiamondPlus 1100B

Mitsubishi UPS platforms are known for rugged industrial performance. This comparison highlights differences in usable output, efficiency, and power density.

ComparisonFocus
M90U-80 vs Mitsubishi DiamondPlus 1100BUsable power, efficiency, and power-density considerationsCompare →
M90U-80 vs APC

vs APC Galaxy VS

APC Galaxy VS platforms serve a broad range of IT and data-center deployments. The M90U-80 leads on integrated internal batteries and usable capacity; the Galaxy VS has a narrower UPS-only cabinet and a lithium-ion battery option. This comparison emphasizes modular scaling, efficiency, serviceability, and architecture.

ComparisonFocus
M90U-80 vs APC Galaxy VS 75 kWScaled power, integrated vs external batteries, efficiency, and architectureCompare →
M90U-80 vs Vertiv

vs Vertiv Liebert EXM & APM2

Vertiv Liebert EXM and APM2 are modular UPS offerings in enterprise infrastructure. These comparisons focus on usable power in internal-battery configurations, runtime scalability, density, and lifecycle cost — both Vertiv platforms scale higher with external batteries and larger frames.

ComparisonFocus
M90U-80 vs Vertiv Liebert EXM (208 V)Modular online UPS comparison for enterprise and edge powerCompare →
M90U-80 vs Vertiv Liebert APM2 (208 V)Runtime architecture, modularity, and serviceabilityCompare →
M90U-80 vs Eaton

vs Eaton 93PM & BladeUPS

Eaton 93PM and BladeUPS platforms are common in critical infrastructure and modular 208V deployments. The 93PM scales to higher capacities and posts marginally higher online efficiency; the M90U-80 leads on integrated batteries, runtime, and a standard bypass. The BladeUPS is discontinued, so that comparison is a replacement/modernization path. These comparisons highlight lifecycle status, scalability, runtime architecture, and total cost of ownership.

ComparisonFocus
M90U-80 vs Eaton 93PM 120-4High-capacity modular UPS with scalable runtime architectureCompare →
M90U-80 vs Eaton 93PM-60Efficiency and serviceability in high-power deploymentsCompare →
M90U-80 vs Eaton BladeUPSReplacement comparison for discontinued BladeUPS systemsCompare →
How to use these comparisons

From evaluation to procurement

Validate technical fit for modular three-phase UPSSupport procurement justification in regulated environmentsCompare architecture & lifecycle trade-offs across vendorsAlign IT, facilities & engineering on scalability and serviceability
Other Xtreme Power platforms

When a different capacity or architecture fits

The M90U-80 is the high-density member of the M90U family. The entry M90U covers 15–60 kW where space is less constrained; the M90LU adds external-battery extended runtime; the M90U-140 extends to higher capacity; and the Li90 offers an integrated lithium facility UPS.

Need help selecting a high-density modular UPS?

Speak with an Xtreme Power specialist to size the right M90U-80 configuration and runtime architecture, plan phased capacity expansion and N+1 redundancy, and compare the M90U-80 against Riello, Mitsubishi, APC, Vertiv, and Eaton platforms for your application.