Notes and Warnings

NOTE: A NOTE indicates important information that helps you make better use of your software.

DANGER: A DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING: A WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or injury.

CAUTION: A CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or in property damage incidents.

DANGER: Observe the following instruction to help prevent an imminently hazardous situation which, if not avoided, will result in death or serious injury:

SThis UPS contains LETHAL VOLTAGES. All repairs and service should be performed by AUTHORIZED SERVICE PERSONNEL ONLY. There are NO USER SERVICEABLE PARTS inside the UPS.

Information in this document is subject to change without notice.

E2009 Dell Inc. All rights reserved.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.

Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc.; National Electrical Code and NEC are registered trademarks of National Fire Protection Association, Inc.; Phillips is a registered trademark of Phillips Screw Company.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

September 2009 S 164201787 4

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Dell K792N, K802N, K811N, J735N, 1000W, 2700W, J727N, H945N, 1920W, H928N, H919N, 2300W, 1500W, J718N manual September 2009 S 164201787

H928N, K811N, H919N, 1000W, 2700W specifications

Dell's power supply units (PSUs) are essential components for Dell servers and workstations, providing reliable power solutions tailored to meet different demands. Among these, the 500W, 1000W, and 1920W/1500W power supplies stand out for their efficiency, performance, and advanced features tailored to various IT environments.

Starting with the 500W power supply, this unit is designed for entry-level servers and workstations. It boasts a compact design that facilitates easy installation in space-constrained scenarios. The 500W PSU operates with a high efficiency rating, contributing to lower energy costs and reduced heat output. It supports the latest energy standards, including 80 PLUS certification, ensuring that customers can rely on it for consistent performance and reliability. This unit is particularly suitable for small to medium businesses looking for cost-effective power solutions for basic applications.

The 1000W power supply represents a step up, featuring dual 12V outputs that provide stable power for more demanding tasks. Designed for mid-range servers and advanced workstations, it balances performance and efficiency, making it ideal for enterprises that require additional processing power for virtualization, data analysis, and high-performance computing tasks. The 1000W PSU includes built-in protections against over-voltage, short circuits, and over-temperature conditions, adding an extra layer of reliability that is crucial for mission-critical operations.

For environments with higher power demands, Dell offers the 1920W/1500W power supply. This robust unit is engineered for high-performance servers and large-scale data centers, where maximum uptime and performance are paramount. The modular design of the 1920W/1500W power supply allows for enhanced cable management, reducing clutter and improving airflow within racks. With an efficiency rating that adheres to 80 PLUS Platinum standards, this PSU not only minimizes energy consumption but also maximizes operational efficiency, making it ideal for organizations looking to optimize their data center environments.

In summary, Dell's 500W, 1000W, and 1920W/1500W power supplies cater to a wide range of computing needs. From entry-level solutions to high-capacity units for demanding environments, Dell ensures that its power supplies provide reliability, efficiency, and performance. As organizations continue to evolve their IT infrastructure, these power supplies remain pivotal in supporting their growth and operational goals.