P91-1500 vs Vertiv Liebert GXT5-1500LVRT2UXL
The P91-1500 and Vertiv Liebert GXT5-1500LVRT2UXL are both true online double-conversion VRLA UPS delivering continuous sine-wave output for mission-critical IT, networking, and edge infrastructure. The P91-1500 differentiates mainly with higher usable watts, a shallower depth, and inherent TAA compliance without a special SKU.
What the P91-1500 brings
- Higher usable watts (1450 W vs 1350 W)
- Shallower rack depth (16.1 in vs 18.6 in)
- Inherent TAA compliance – no TAA-specific SKU required
- Simplified procurement and predictable specifications
Side-by-side specifications
| Specification | Xtreme Power P91-1500 | Vertiv Liebert GXT5-1500LVRT2UXL | Advantage |
|---|---|---|---|
| Capacity | 1500 VA / 1450 W | 1500 VA / 1350 W | P91 – higher usable watts |
| Topology | Online double-conversion | Online double-conversion | Equivalent protection |
| Form factor | Rack / tower convertible (2U) | Rack / tower convertible (2U) | Equivalent |
| UPS depth | 16.1 in | 18.6 in | P91 – shallower depth |
| Battery technology | VRLA | VRLA | Equivalent chemistry |
| Hot-swappable batteries | Yes | Yes | Equivalent |
| Warranty | 3 yr electronics / 3 yr battery | 3 yr electronics / 3 yr battery | Equivalent coverage |
| TAA compliance | Yes (made in Taiwan) | Optional (TAA-specific SKU) | P91 – inherently compliant |
Specifications from Xtreme Power’s supplied P91-1500 vs Vertiv GXT5-1500LVRT2UXL comparison; confirm against current vendor documentation. Both are online double-conversion VRLA platforms with hot-swap batteries and matching 3/3-year warranties.
Choosing between them
A close match: equivalent online VRLA protection, hot-swap batteries, and 3/3-year warranty. The P91-1500 leads on usable watts, depth, and built-in TAA; the Vertiv fits Vertiv-standardized environments and can be specified as a TAA SKU.
Choose the P91-1500 if you need
- Federally funded and TAA-restricted procurement
- Edge, IDF, and MDF deployments where usable watts matter
- Simplified compliance without special SKUs
- Space-constrained racks needing shorter depth
The Liebert GXT5-1500LVRT2UXL may fit if you need
- Existing Vertiv-standardized UPS environments
- Deployments where a TAA-specific variant can be specified
- Well-cooled, standard-depth racks aligned to Vertiv ecosystems
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