P91-3000 vs APC Smart-UPS SRT3000XLA
The P91-3000 and APC Smart-UPS SRT3000XLA are both true online double-conversion UPS delivering continuous sine-wave output for mission-critical IT, network, and edge infrastructure. The P91-3000 differentiates with higher usable watts, a shallower rack footprint, more built-in outlets, longer battery design life, and full TAA compliance.
What the P91-3000 brings
- Higher usable watts (2880 W vs 2700 W)
- Shallower rack depth (24.8 in vs 27.0 in)
- Two more built-in outlets (8 vs 6)
- Longer battery design life (3–5 yr vs 2–3 yr) and warranty
- TAA compliance for federal procurement
Side-by-side specifications
| Specification | Xtreme Power P91-3000 | APC Smart-UPS SRT3000XLA | Advantage |
|---|---|---|---|
| Capacity | 3000 VA / 2880 W | 3000 VA / 2700 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 | 24.8 in | 27.0 in | P91 – shallower |
| Connections | 5-30P in · (8) NEMA 5-15/20R | 5-30P in · (6) NEMA 5-20R | P91 – two more outlets |
| Battery design life | 3–5 years | 2–3 years | P91 – fewer replacements |
| Warranty | 3 yr electronics / 3 yr battery | 3 yr electronics / 2 yr battery | P91 – longer battery coverage |
| TAA compliance | Yes (made in Taiwan) | No | P91 – federal procurement |
Specifications from Xtreme Power’s supplied P91-3000 vs APC SRT3000XLA comparison; confirm against current vendor documentation. Both are online double-conversion VRLA platforms.
Choosing between them
Both deliver equivalent online protection in 2U convertible form factors. The P91-3000 leads on usable watts, depth, outlet count, battery life, and TAA; the APC suits APC-standardized, full-depth environments.
Choose the P91-3000 if you need
- Edge, IDF, and MDF deployments where depth and clearance matter
- Federally funded and TAA-restricted procurement
- More built-in outlets without external PDUs
- Longer battery life and lower total cost of ownership
The Smart-UPS SRT3000XLA may fit if you need
- Existing APC-standardized environments
- Locking-only receptacle strategies
- Climate-controlled, full-depth racks where TAA isn’t required
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