Description
The Dell DPS-650BB A (often identified by part numbers FD732 or P2591) is a 675-watt hot-swappable redundant power supply module. It is specifically designed for the Dell PowerEdge 1800 server series to provide high-availability power and protect against system downtime.
Key Features and Performance
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Redundant Reliability: Designed for a 1+1 redundancy configuration. When two units are installed, one acts as a secondary backup to ensure the server remains online if the primary unit fails.
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Hot-Plug Capability: You can remove or replace this module while the server is running (hot-swappable), provided the system has a second functional power supply.
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High Power Density: Delivers up to 675 Watts of power with a high amperage output of 55A on the +12V rail, which is essential for dual-processor configurations and multiple hard drive arrays.
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Active Cooling: Built with an internal active cooling fan that manages heat dissipation effectively within the PowerEdge 1800 chassis.
Technical Specifications
| Attribute | Detail |
| Max Power Output | 675 Watts |
| Input Voltage | 100V – 240V AC (Auto-switching) |
| Current Rating | 11A (Input) / 55A (Output on +12V) |
| Efficiency Rating | 80 Plus (Standard) |
| Form Factor | Internal Proprietary (Hot-Swap Module) |
| Compatible Models | Dell PowerEdge 1800 (Tower and Rack versions) |






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