Name: 578322-B21 HP 1200W Redundant Server Power Supply Hot-Swappable
Brand: HP
SKU: 578322-B21
Price: 49.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The HP 578322-B21 1200 Watt Redundant Server Power Supply delivers high-efficiency, fail-safe power for ProLiant server platforms, making it ideal for environments that demand maximum uptime, seamless scalability, and robust system resilience.

General Information
Brand	HP
Part Number	578322-B21
Product Type	Server Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60 Hz
Max. Output Power	1200W
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
Compatible For	HP ProLiant DL380 G6/G7, DL385 G7, DL580 G7, DL585 G7, SL160s G6, SL165s G7, SL160z G6, SL165z G7, SL170z G6, SL2x170z G6, SL6500, SL335s G7

Physical Characteristics
Weight	5.00

Certifications and Environmental
Eco Friendly	Yes
Compliance Standards	WEEE, RoHS, cURus, CE

Product Description
The HP 578322-B21 1200 Watt Redundant Server Power Supply is built for high-availability systems that require reliable, uninterrupted power delivery. Its redundant configuration ensures continued server operation during power supply failures or replacements. Key Features Delivers 1200W of stable, efficient power Redundant architecture supports failover reliability Hot-swap capable for zero-downtime maintenance Optimized for HP ProLiant server families Ideal for 24/7 data center and enterprise deployments This power supply is suited for mission-critical infrastructures where uptime is non-negotiable-such as virtualization hosts, clustered environments, or large-scale enterprise systems with continuous workloads.

Use Cases
The HP 578322-B21 1200W Redundant Server Power Supply is primarily deployed in enterprise data centers and IT environments that require continuous system availability. It is designed for IT professionals managing HP ProLiant server fleets where minimizing downtime is critical for business operations and service delivery. How It's Used: Supporting virtualization clusters in large-scale data centers to maintain power stability during hardware maintenance. Ensuring uninterrupted power in mission-critical financial transaction servers within enterprise IT infrastructures. Providing failover power in remote branch office server rooms to sustain essential business applications. Powering storage area network (SAN) servers in cloud service providers’ facilities to guarantee high availability. Integrating into high-density rack deployments for scalable compute resources in research and development environments. This power supply enhances operational resilience by delivering consistent, redundant power essential for high-demand workloads. Its hot-swappable design enables seamless maintenance and scalability, supporting evolving infrastructure requirements without disrupting service continuity.