Name: RS550-PCARN1-US Cooler Master 550-Watt Power Supply
Brand: Cooler Master
SKU: RS550-PCARN1-US
Price: 232.65 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The RS550-PCARN1-US Cooler Master 550-Watt Power Supply delivers steady and efficient power tailored for mid-level desktop computers. It fits seamlessly into standard ATX cases and supports a broad range of hardware through versatile connectors, making it a practical choice for everyday computing needs.

General Information
Brand	Cooler Master
Part Number	RS550-PCARN1-US
Product Type	Desktop Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60Hz
Output	+12V, +5V, +3.3V, -12V, +5VSB
Max. Output Power	550W
Efficiency Rating	80 Plus Bronze
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

Connectors
Connector Types	20+4-pin ATX, 8-pin CPU, 6+2-pin PCIe, SATA, Molex, Floppy

Physical Characteristics
Dimensions	86 x 150 x 140 mm
Weight	3.00

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

Product Description
The RS550-PCARN1-US is a 550-watt power supply unit designed to provide stable and efficient power to desktop computers. It is commonly used in mid-range systems requiring dependable energy delivery for daily tasks and moderate gaming or content creation. Built for PC builders and users seeking a balance between performance and energy savings, this power supply fits well in various builds where reliability and quiet operation are important. It often appears in home and office setups due to its solid power output and effective cooling. Key Features Energy-efficient design certified by 80 PLUS Bronze standards Supports multiple connector types for compatibility with a wide range of motherboards and components Stable voltage regulation to protect system components Low-noise 120mm fan for quiet operation during extended use Compact size fits standard ATX cases easily This power supply is typically installed in desktop PCs where consistent power delivery is essential for system stability. It helps maintain system health by providing clean power and reducing overheating risks. Users appreciate its quiet fan and efficiency, which contribute to a smoother computing experience without excess noise or wasted energy.

Use Cases
The RS550-PCARN1-US Cooler Master 550-Watt Power Supply is commonly deployed in mid-range desktop systems requiring dependable power delivery in office or workstation settings. It is well-suited for IT environments where consistent energy efficiency and broad hardware compatibility support day-to-day computing tasks without interruption. How It's Used: Powering desktop workstations in SMB offices handling productivity software and light multitasking workloads. Supporting entry-level virtualization hosts in edge computing deployments with moderate power demands. Providing reliable energy efficiency for remote office PCs requiring stable performance under continuous operation. Enabling home lab setups that simulate enterprise environments for IT training and development. Supplying consistent power for storage clusters in small business environments with non-intensive I/O activity. This power supply enhances operational stability by delivering steady output and efficient power use, aiding scalability as hardware configurations evolve. Its compatibility with a range of components supports modular upgrades, helping maintain system performance within diverse mid-tier computing environments.