Name: M12II-850 Seasonic 850W Modular ATX Power Supply
Brand: Seasonic
SKU: M12II-850
Price: 265.67 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Seasonic M12II-850 delivers steady 850-watt power suited for mid to high-end desktop computers. It's designed to fit into typical ATX cases and supports modular cables to keep your build neat. This power supply balances efficiency and reliability, making it a practical choice for users who need dependable power without unnecessary complexity.

General Information
Brand	Seasonic
Part Number	M12II-850
Product Type	Desktop Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60 Hz
Output	3.3V,5V,12V,-12V,5VSB
Max. Output Power	850W
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

Physical Characteristics
Weight	3.00

Product Description
The Seasonic M12II-850 is a robust power supply unit built to provide consistent and efficient power for desktop computers. It's commonly used in gaming rigs, workstation setups, and other high-demand PC environments where reliable power is essential. This PSU is often found in builds requiring stable output for multiple components, including high-performance CPUs and GPUs. Key Features High-quality components ensure long-term durability and stability Modular cable design reduces clutter and improves airflow inside the case Supports continuous 850W output to handle power-intensive tasks Efficient power conversion minimizes wasted energy and heat Compatible with standard ATX12V and EPS12V connectors for versatile use This power supply is typically deployed in enthusiast and professional PC builds where power reliability and clean cable management matter. It plays a key role in maintaining system stability during demanding workloads, helping prevent crashes and hardware issues.

Use Cases
The Seasonic M12II-850 power supply is primarily implemented in professional desktop computing environments that demand reliable, consistent power delivery. IT managers and system builders in SMBs and enterprise workstations benefit from its modular design and compatibility with standard ATX cases, supporting clean installations and efficient thermal management. How It's Used: Powering virtualization servers in small-scale data centers requiring stable, continuous power for multiple VM instances. Supporting high-performance workstations used in CAD/CAM and digital content creation where power stability is critical. Integrating into remote office desktop setups needing efficient power with manageable cable routing for limited space. Deploying in edge computing nodes where durable power supplies ensure operational continuity under varying environmental conditions. Providing power to gaming rigs and streaming workstations that require modular cabling for optimized airflow and component access. This power supply facilitates operational efficiency by ensuring a dependable power source that scales with system demands. Its modular cabling supports better system airflow and maintenance, which are key factors for long-term performance in professional desktop deployments.

M12II-850 Seasonic 850W Modular ATX Power Supply

Product Overview

General Information

Technical Information

Compatibility

Physical Characteristics

Product Description

Use Cases