Name: 458549-001 HP 250W ATX Power Supply for DX2290 MicroTower PC
Brand: HP
SKU: 458549-001
Price: 142.18 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The HP 250-Watts ATX Power Supply for DX2290 MicroTower PC provides steady and reliable power tailored for this specific HP desktop model. It fits into the compact MicroTower case, supporting stable operation with built-in cooling and compatible connectors, which makes it a sensible replacement or upgrade option for maintaining system performance.

General Information
Brand	HP
Part Number	458549-001
Product Type	Desktop Power Supply
Condition	Refurbished

Technical Information
Input Voltage	AC 100-240V (auto-switching)
Input Frequency	50/60 Hz
Output	+3.3V,+5V,+12V,-12V,+5VSB
Max. Output Power	250W
Hot Swappable	No
Redundant Support	No
Cooling Type	Active Fan
Modularity	Non-Modular
rail_design	Single 12V Rail
Number of Fans	1

Compatibility
Form Factor	ATX
Compatible For	HP DX2290 MicroTower PC (Compaq dx2290), P/N 458549-001

Connectors
Connector Types	20+4-pin ATX, 4-pin CPU, SATA, Molex

Physical Characteristics
Weight	3.00

Product Description
This 250-watt ATX power supply is built specifically for the HP DX2290 MicroTower PC, providing stable and efficient power to all internal components. It's commonly found in office or home desktop setups where reliable and quiet power is essential. IT professionals and users maintaining or upgrading DX2290 systems often rely on this unit for consistent performance. Key Features Delivers stable 250W power suited for compact tower configurations Includes standard connectors compatible with HP DX2290 motherboard Integrated fan ensures effective cooling during continuous use Compact design fits neatly inside MicroTower chassis Designed to meet HP's quality and safety standards This power supply is typically installed inside HP DX2290 desktops and similar systems where replacement or upgrade is needed. It ensures smooth operation of the computer by providing clean and reliable electrical power, making it a practical choice for maintenance and repairs.

Use Cases
The 458549-001 HP 250W ATX Power Supply is primarily designed for IT environments where the HP DX2290 MicroTower is deployed. It serves organizations requiring reliable power delivery in compact office workstations or small business settings where space constraints and consistent performance are critical. How It's Used: Replacing faulty or aging power supplies in existing HP DX2290 MicroTower units within enterprise IT departments. Supporting small to medium-sized business (SMB) desktop fleets that demand stable power for daily office productivity and light virtualization tasks. Enabling maintenance and upgrades in remote branch offices where desk space and hardware compatibility are limiting factors. Facilitating reliable power delivery in educational computer labs using legacy HP desktop systems. Providing dependable power support in government or public sector workstations with compact MicroTower configurations. This power supply helps sustain operational efficiency by ensuring stable energy provision tailored to the HP DX2290 architecture. It supports continuity in environments where minimizing downtime and maintaining hardware compatibility are essential for controlled IT scaling and performance reliability.

458549-001 HP 250W ATX Power Supply for DX2290 MicroTower PC

Product Overview

General Information

Technical Information

Compatibility

Connectors

Physical Characteristics

Product Description

Use Cases