The Xtreme Power Conversion M90S-12S and the RoseWater Energy HUB40 are high-capacity UPS solutions designed for residential, commercial, and specialty power applications.
While both systems target premium power protection, the M90S-12S is a true modular, double-conversion UPS platform with scalable power and battery modules, whereas the HUB40 is a fixed-capacity system delivered as multiple large cabinets that require traditional rigging and installation.
High-Capacity UPS Comparison
| Feature | XTREME POWER M90S-12S | RoseWater Energy HUB40 | XPCC Advantage |
| System Architecture | True modular online UPS | Fixed-capacity multi-cabinet system | Modular design supports growth and redundancy |
| Scalable Capacity | 6, 12, 18, 24, 30, 36, 42, or 48 kW | 40 kW fixed | Capacity can grow over time without replacement |
| Rectifier Rating | Fully rated for system capacity | 19.2 kW | Supports higher sustained loads without forcing battery discharge |
| Universal Slots | Yes — power or battery modules | No | Simplifies expansion and reconfiguration |
| Efficiency | Up to 98% (ECO) / ~94% online | ~89% (calculated) | Lower energy loss and reduced heat output |
| Dimensions (UPS with batteries) | One cabinet: 23.6″ W × 36.0″ D × 79.1″ H (≈5.9 sq ft) | Two cabinets: 28.1″ W × 26.25″ D × 52″ H each (≈10.2 sq ft total) | Similar or greater capacity in roughly half the floor space |
| Voltage Options | 120/240 V or 120/208 V (2P, N, G) | 120/240 V only | Greater flexibility across applications |
| Display & Diagnostics | Chassis + module-level LCDs | Chassis-level LCD | Improved visibility and faster service diagnostics |
| Rigging & Installation | Casters; modular field assembly | Rigging required | Faster installation with lower labor and handling cost |
| Certifications & Compliance | UL, cUL, TAA Compliant | UL, cUL (TAA varies by configuration) | Clear positioning for regulated markets |
| Warranty Coverage | 3 years (electronics & batteries) | 3-year onsite warranty | Onsite service optional with XPCC |
Printable Comparison PDF
Download the full, printable version of this comparison for offline review or internal sharing.
Download the Full Comparison PDF
https://xpcc.com/wp-content/uploads/Xtreme-M90S-12S-RoseWater-Energy-HUB40-Comparison.pdf
Where the M90S-12S Excels
- Projects requiring scalable capacity from 6–48 kW
- Installations prioritizing high efficiency and lower thermal load
- Sites benefiting from compact footprint and reduced floor space
- Environments needing simpler transport and installation without heavy rigging
- Regulated deployments requiring clear TAA compliance
When RoseWater Energy HUB40 May Be a Fit
- Fixed-capacity deployments at 40 kW
- Residential or specialty environments standardized on the HUB platform
- Installations where future expansion is not anticipated
Who Should Choose Which
Choose Xtreme Power Conversion M90S-12S if you need:
- A modular online UPS that scales with demand
- Higher sustained load capability without battery reliance
- Greater voltage flexibility (120/240 V and 120/208 V)
- Faster, simpler installation and placement
- Clear positioning for regulated or TAA-restricted procurements
Choose RoseWater Energy HUB40 if you need:
- A fixed 40 kW system delivered as a multi-cabinet solution
- Integrated onsite service as part of the standard warranty
- No requirement for modular expansion or reconfiguration
Ideal Applications
- High-end residential and luxury homes
- Commercial and specialty AV installations
- Healthcare and laboratory facilities
- Government and education infrastructure
- Projects requiring scalable, high-capacity UPS protection
Plan with Confidence
Request a Quote
Speak with an Xtreme Power Conversion specialist to configure the right M90S-12S modular architecture for your capacity, runtime, and compliance requirements.
Xtreme Power Conversion
Phone: (800) 582-4524
Email: sales@xpcc.com