Description
Product Details of the Dell PR21C
The Dell PR21C is a 1100-watt redundant power supply designed for use with Dell servers and storage devices. In this article, we will provide a detailed explanation of the PR21C power supply, including its features, specifications, and compatibility.
Compatibility
The PR21C power supply is compatible with a wide range of Dell servers and storage devices. Some of the devices that are compatible with the PR21C include the Dell PowerEdge R720, R720XD, R520, R620, T420, T620, and many others. It is important to note that the PR21C power supply is not compatible with devices from other brands.
Output Wattage and Voltage
The PR21C power supply is rated for a maximum output wattage of 1100 watts, which makes it a powerful and reliable power source for high-end servers and storage devices. The output voltage of the PR21C varies depending on the input voltage, but it is typically between 100 and 240 volts.
Redundancy
The PR21C power supply is a redundant power supply, which means that it is designed to provide backup power in the event of a failure of the primary power supply. This redundancy is important for servers and storage devices that require high availability and uptime. The PR21C power supply is hot-swappable, which means that it can be replaced without shutting down the server or storage device.
Efficiency
The PR21C power supply is designed to be highly efficient, which means that it converts AC power to DC power with minimal energy loss. This helps to reduce the amount of energy consumed by the server or storage device, which can lead to cost savings over time. The PR21C power supply is rated for an efficiency of up to 92%, which is among the highest in the industry.
Form Factor
The PR21C power supply has a form factor of 2U, which means that it takes up two rack units in a server or storage device rack. This form factor is common for high-end power supplies, and it allows for efficient use of rack space.
Features and Benefits
The PR21C power supply offers several features and benefits that make it a reliable and convenient power source for Dell servers and storage devices. These include:
- Hot-Swappable Design: The PR21C power supply is hot-swappable, which means that it can be replaced without shutting down the server or storage device. This feature helps to reduce downtime and improve the availability of the server or storage device.
- Redundant Design: The PR21C power supply is a redundant power supply, which means that it provides backup power in the event of a failure of the primary power supply. This feature helps to ensure high availability and uptime for the server or storage device.
- High Efficiency: The PR21C power supply is designed to be highly efficient, which helps to reduce energy consumption and lower operating costs over time.
- Compatibility: The PR21C power supply is compatible with a wide range of Dell servers and storage devices, which makes it a versatile and reliable power source for a variety of use cases.
Fainaly, the Dell PR21C is a powerful and reliable 1100-watt redundant power supply designed for use with Dell servers and storage devices. With a hot-swappable design, redundant power supply, high efficiency, and compatibility with a wide range of devices, the PR21C offers several features and benefits that make it a popular choice among users. However, it is important to ensure that the power supply is compatible with your device before use, and to follow all safety guidelines and best practices when installing or replacing the power supply.
General Information about the Dell PR21C
- Manufacturer: Dell
- Part Number or SKU#: PR21C
- Device Type: Power Supply
Specifications
- Pluggable Yes
- Category Proliant
- Watt: 1100
Miscellaneous
- Compatibility For System Poweredge R730 R630 T630 T430 T430
Power Description
- Input Power Range:100-240V
- Line Frequency:50-60Hz





