HP
HP 865428-B21 800W Flex Slot Power Supply
800W
Reliable Power for Your HP Server: HP 800W Flex Slot Power Supply Kit Ensure efficient and reliable power delivery for your HP server with the HP 865428-B21 Power Supply Kit. Specifications: Brand: HP Model: 865428-B21 Power Output: 800W Type: Flex Slot Hot-Plug: Yes Low Halog...
$26.05*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.
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Overview
Reliable Power for Your HP Server: HP 800W Flex Slot Power Supply Kit
Ensure efficient and reliable power delivery for your HP server with the HP 865428-B21 Power Supply Kit.
Specifications:
- Brand: HP
- Model: 865428-B21
- Power Output: 800W
- Type: Flex Slot
- Hot-Plug: Yes
- Low Halogen: Yes
Key Features
HP 800W Flex Slot Universal Hot Plug Low Halogen Power Supply Kit: 230 V AC, 380 V DC, TAA Compliance
Cooling Method: Air
Item Weight: 2.4 pounds
Model Name: 800W Flex Slot Universal Hot Plug Low Halogen Power Supply Kit
Item Dimensions: 1 x 1 x 1 inches
Item Type Keyword: computer-internal-power-supplies
Minimum Input Voltage: 230 volts
Manufacturer: HP
Wattage: 800 watts
Output Wattage: 800 watts
Maximum Input Voltage: 230 volts
Product Type: SYSTEM POWER DEVICE
Compatible Devices: Personal Computer
Power Supply Design: Semi-Modular
Current Rating: 800 watts
Specifications
Wattage
800 watts
Output Wattage
800 watts
Model Name
800W Flex Slot Universal Hot Plug Low Halogen Power Supply Kit
Product Type
SYSTEM POWER DEVICE
Cooling Method
Air
Minimum Input Voltage
230 volts
Maximum Input Voltage
230 volts
Compatible Devices
Personal Computer
Power Supply Design
Semi-Modular
Compliance
TAA Compliance
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View on Amazon →Pros & Cons
👍 Pros
- Provides a robust 800W output wattage, ensuring ample power for compatible personal computer systems.
- Designed as a Flex Slot power supply, allowing for easy hot-plug installation and replacement in compatible HP systems.
- Features universal hot-plug capability, simplifying maintenance and reducing downtime.
- The low halogen design contributes to a more environmentally conscious component choice.
- TAA compliance indicates adherence to the Trade Agreements Act, which can be important for government and institutional purchases.
- Compatible with 230 V AC and 380 V DC input voltages, offering flexibility for different power infrastructures.
- The semi-modular power supply design typically aids in better cable management within a PC case.
👎 Cons
- The physical dimensions are listed as 1 x 1 x 1 inches, which is likely a placeholder and does not reflect its actual size, making physical compatibility difficult to assess.
- The weight is specified as 2.4 pounds, which might be heavier than some alternative power supplies, potentially affecting system build weight.
- Its compatibility is listed specifically for "Personal Computer," but as an HP Flex Slot unit, it's primarily intended for specific HP server or workstation systems, limiting broad PC use.
- Cooling method is simply "Air," without further details on fan size, noise levels, or specific cooling technologies.
- The power supply design is "Semi-Modular," which means some cables are permanently attached, potentially leading to some unused cable clutter.
- Maximum and minimum input voltages are both listed as 230 volts, which could imply a lack of true universal voltage input support despite the "Universal" tag in the model name.
Frequently Asked Questions
What is the wattage output of this HP Flex Slot Power Supply?
This HP Flex Slot Power Supply delivers an output wattage of 800 watts, suitable for various system power needs.
What are the input voltage requirements for this power supply?
It has a minimum and maximum input voltage requirement of 230 volts AC, and also supports 380 V DC.
What cooling method does this power supply use?
The HP 800W Flex Slot power supply utilizes air as its cooling method to maintain operational temperatures.
Is this power supply designed for hot plugging?
Yes, it is a Hot Plug Low Halogen Power Supply Kit, allowing for installation or replacement without powering down the system.
What type of devices are compatible with this power supply?
This power supply is compatible with Personal Computers, particularly those designed to accept Flex Slot power units.
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