Power Supply Dell 1100W EPP 80 PLUS Platinum model 9TMRF-RFB

The Dell 1100W EPP 80 PLUS Platinum power supply (model 9TMRF-RFB) delivers up to 1100 watts of AC-to-DC power with high-efficiency operation certified to the 80 PLUS Platinum standard. Designed for compatibility with supported Dell servers and enterprise-class systems, this power supply emphasizes reliable continuous operation, reduced energy loss and lower heat output compared with lower-efficiency units. The unit is intended for datacenter and business environments that require stable, efficient power delivery and predictable thermal behavior.

Advantages

This Dell 1100W EPP power supply offers high energy conversion efficiency through its 80 PLUS Platinum certification, which helps reduce electrical losses and cooling requirements. The 1100W output supports demanding server loads while maintaining consistent voltage regulation for connected components. The EPP (Enhanced Power Profile) design improves compatibility with enterprise power management systems and contributes to predictable performance under sustained load.

Suitable for

• Enterprise and rack-mounted Dell servers compatible with the 9TMRF-RFB power supply
• Datacenter infrastructure requiring high-efficiency power modules
• Business-critical systems where continuous stable power is necessary
• Environments aiming to reduce energy consumption and cooling costs

Key specifications

• Brand: Dell
• Model / MPN: 9TMRF-RFB
• Maximum output: 1100 W
• Efficiency rating: 80 PLUS Platinum
• Type: AC-to-DC server power supply (EPP)
• EAN: 5715063007310

How to use

Install the power supply in a compatible Dell server chassis following the server manufacturer’s installation instructions and safety guidelines. Ensure the server is powered off and disconnected from mains before replacing or installing the unit. Secure the module in its bay or bracket, connect the necessary internal power connectors to the server’s power backplane or motherboard as specified, and reconnect AC input power. After initial installation, verify proper fan operation and system POST or management console indicators to confirm the unit is functioning correctly.

Recommendations

Use this power supply in systems that match Dell compatibility lists and within the recommended ambient temperature and ventilation conditions for the host server. For datacenter deployments, integrate the unit into appropriate power distribution and redundancy schemes, and monitor power and thermal metrics via server management tools to maintain reliability and efficiency.