Brand: Ubiquiti | Category: Accessories & Components
SKU: UBQ-UACC-PSU-12V-550W | Part #: UACC-PSU-12V-550W | MPN: UACC-PSU-12V-550W
Contact for Pricing — Request a Quote
Replacement power supplies for always-on UniFi deployments represent a critical maintenance cost; internal PSU modules typically require field replacement every 3–5 years depending on environmental stress and duty cycles. The UniFi 12V 550W Replacement PSU (part number UACC-PSU-12V-550W) is a Ubiquiti OEM component engineered to restore full operational capacity to switching and infrastructure hardware that has experienced power supply degradation or failure. For network engineers and IT procurement teams managing distributed UniFi installations across multiple sites, stocking this spare part minimizes downtime and eliminates the risk of compatibility issues associated with third-party alternatives.
This internal chassis PSU module is purpose-built as a direct replacement for supported UniFi switching and infrastructure hardware requiring 12V / 550W internal power. The modular form factor enables straightforward field replacement during planned maintenance windows or emergency restores.
| Brand | Ubiquiti |
| Category | Accessories & Components |
| SKU | UBQ-UACC-PSU-12V-550W |
| Part Number | UACC-PSU-12V-550W |
| Condition | New |
| Manufacturer Part Number | UACC-PSU-12V-550W |
| Product Name | UniFi 12V 550W Replacement PSU |
| Product Series | UACC (UniFi Accessory) |
| Output Voltage | 12V DC |
| Output Power | 550W |
| PSU Type | Internal replacement power supply |
| Compatibility | Supported UniFi switching and infrastructure hardware requiring 12V / 550W internal PSU |
| OEM / Genuine Part | Yes — genuine Ubiquiti replacement component |
| Form Factor | Internal chassis PSU module |
| Intended Use | Field replacement and spare-parts maintenance for UniFi infrastructure |
| Product Line | UniFi |
The UniFi 12V 550W Replacement PSU delivers conditioned, backed-up power for server rooms and data-center racks. Use cases include short-term ride-through during grid sag/spike events, graceful shutdown of critical compute, and runtime extension via external battery packs.
