Name: YM-7421D Juniper 420W Power Supply for SSG-550M Router
Brand: Juniper Networks
SKU: YM-7421D
Price: 138.75 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Juniper YM-7421D 420-watt power supply is designed to keep SSG-550M routers running steadily by providing consistent electrical power. It fits directly into the device and supports the essential functions of the router, making it a dependable component in many network infrastructure setups.

General Information
Brand	Juniper Networks
Part Number	YM-7421D
Product Type	Desktop Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60 Hz
Output	12V
Max. Output Power	420W
Cooling Type	Active Fan
Modularity	Non-Modular
rail_design	Single 12V Rail
Number of Fans	1

Compatibility
Form Factor	Proprietary
Compatible For	Juniper SSG-550M

Physical Characteristics
Weight	3.00

Product Description
This 420-watt power supply is intended to provide steady and reliable power to Juniper SSG-550M firewall and router devices. It's often found in data centers and enterprise networking setups where continuous operation is critical. Network administrators and IT professionals typically rely on this power supply to keep their routing equipment running without interruption. Key Features Ensures consistent power delivery to prevent downtime Compatible specifically with SSG-550M models for seamless integration Robust build quality supports long-term usage Easy installation for quick replacement or upgrades Optimized for stable operation in demanding network environments This power supply is typically deployed in corporate or branch office networks where the SSG-550M is used for secure routing and firewall functions. Its reliability helps maintain smooth network operations, reducing the risk of power-related failures that could disrupt business activities.

Use Cases
The YM-7421D power supply is primarily employed within enterprise network infrastructures that utilize Juniper SSG-550M routers. It is especially suited for IT departments managing secure network gateways where reliable power delivery is critical to maintaining consistent firewall and routing operations. How It's Used: Deployment in enterprise edge routing environments requiring stable power for uninterrupted VPN and firewall functions. Replacement unit in SMB networks ensuring minimal downtime during hardware maintenance or failure. Integration within data centers managing segmented network security zones supported by SSG-550M devices. Use in remote office setups where consistent power supply sustains secure connectivity to central networks. Support for virtualized environments where physical routing appliances like the SSG-550M provide dedicated security services. By maintaining consistent power delivery, the YM-7421D supports operational stability and network resilience in demanding environments. Its role in sustaining enterprise firewall and routing hardware contributes to scalable and dependable network architectures.

YM-7421D Juniper 420W Power Supply for SSG-550M Router

Product Overview

General Information

Technical Information

Compatibility

Physical Characteristics

Product Description

Use Cases