Name: J4839AR HP 500W 100-240V 3.8A Redundant Power Supply Unit
Brand: HP
SKU: J4839AR
Price: 175.09 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The J4839AR HP 500W 100-240V 3.8A Redundant Power Supply provides reliable power delivery for compatible HP servers. It supports an input voltage range of 100 to 240 volts AC with a current rating of 3.8 amps and outputs 500 watts. Its redundant design is intended to maintain power continuity in enterprise server setups.

General Information
Brand	HP
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50/60Hz
Output	12V
Max. Output Power	500W
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
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, UL, cULus

Product Description
The J4839AR HP 500W Redundant Power Supply delivers consistent power with a 500-watt capacity, suitable for a range of HP server environments. It is designed to operate within a wide input voltage range of 100 to 240 volts and a current of 3.8 amps, allowing flexible deployment across different power infrastructures. This power supply is typically installed as part of a redundant power setup to provide backup power and enhance system uptime. IT professionals managing HP server hardware often use this unit to maintain continuous operations in data centers and enterprise environments. Key Features Provides 500 watts of power output Supports 100-240V AC input voltage Rated at 3.8A current for power stability Redundant design for failover power supply configurations Designed specifically for HP server compatibility In practice, this power supply helps ensure that critical server systems remain operational even if one power source fails. Its form factor and electrical specifications enable integration into existing HP server chassis designed to accept this model.

Use Cases
The J4839AR power supply is typically used in enterprise data centers and server rooms where HP servers require continuous power availability. Its redundant capability makes it suitable for environments that demand minimal downtime and power reliability. How It's Used: Installed in HP servers to provide 500W power capacity Used in redundant power supply configurations for backup power Deployed in data centers requiring consistent power delivery Integrated into server systems operating within 100-240V power sources Employed by IT administrators managing HP enterprise server hardware This power supply serves an essential operational role by ensuring servers continue running during power source interruptions, supporting business continuity efforts in critical IT environments.

FAQ's
What voltage range does the J4839AR support? The J4839AR power supply supports an input voltage range from 100 to 240 volts AC, allowing flexible use in different power environments. Is the J4839AR compatible with all HP servers? This power supply is designed for select HP server models; compatibility depends on the specific server chassis supporting this unit. What does redundant power supply mean? A redundant power supply setup means multiple power units are installed to provide backup in case one fails, enhancing system reliability. What is the current rating of the J4839AR? The power supply operates with a current rating of 3.8 amps, ensuring stable power delivery within its specified voltage range. Can the J4839AR be hot-swapped? Specific hot-swap support depends on the server model but redundant power supplies like this one are often designed to allow hot-swapping for maintenance. What is the power output of the J4839AR? The unit provides a maximum power output of 500 watts suitable for powering compatible HP servers.