Name: 820792-B21 HP 900W Redundant Power Supply Hot-Swappable for ProLiant Servers
Brand: HP
SKU: 820792-B21
Price: 534.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The HP 900-Watts Redundant Power Supply is designed to keep servers running smoothly by providing backup power in case of a primary supply failure. It's a common component in data centers where maintaining uptime is a priority.

General Information
Brand	HP
Part Number	820792-B21
Product Type	Server Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60 Hz
Output	12V DC
Max. Output Power	900W
Efficiency Rating	80 Plus Platinum
Hot Swappable	Yes
Redundant Support	Yes
Cooling Type	Active Fan
Modularity	Non-Modular
rail_design	Single 12V Rail
Number of Fans	1

Compatibility
Form Factor	Proprietary

Physical Characteristics
Weight	3.00

Certifications and Environmental
Eco Friendly	Yes
Compliance Standards	WEEE, RoHS, CE, FCC, UL, cULus

Product Description
This 900-watt redundant power supply is built for maintaining reliable power delivery to HP ProLiant servers. It’s often found in data centers and enterprise environments where continuous operation is critical. IT professionals and system administrators commonly use it to reduce downtime and safeguard workloads against power interruptions. The hot-swappable feature allows replacement or addition without shutting down the server. Key Features Provides steady 900-watt power output under varying loads Redundant setup minimizes risk of server downtime Designed for seamless integration with compatible HP servers Supports hot-swapping for easy maintenance Improves overall system availability and reliability This power supply is typically deployed in server racks supporting mission-critical applications. Its role is crucial in environments where power reliability directly impacts business operations.

Use Cases
The HP 900W Redundant Power Supply is primarily utilized in environments where continuous server operation is critical, such as enterprise data centers and managed service providers. It benefits IT infrastructure teams managing high-availability HP ProLiant servers that require seamless power failover capabilities. How It's Used: Ensuring uninterrupted power in virtualization clusters hosting critical workloads within enterprise IT environments. Supporting redundant power configurations in rack-mounted servers deployed in data centers to minimize downtime during hardware maintenance. Maintaining continuous operation of storage arrays in SMB networks where data availability is essential. Providing hot-swappable backup power in remote office server rooms to reduce on-site intervention and service disruptions. Facilitating edge computing deployments where reliable power redundancy is needed to support real-time data processing appliances. This power supply enhances operational resilience by enabling failover between power sources without interrupting server operation, thus supporting scalability and uptime in critical IT infrastructures. Its hot-swappable design aligns with maintenance workflows that demand minimal system downtime.