Name: 664CN Dell 550W Power Supply PSU To IO Airflow for S4128/S4048 Switch
Brand: Dell
SKU: 664CN
Price: 149.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The 664CN Dell 550W Power Supply PSU To IO Airflow is a dedicated replacement unit designed to supply reliable power to Dell S4128 and S4048 switches. It fits directly into the switch chassis and supports the front-to-back airflow path, helping maintain proper cooling within network equipment racks.

General Information
Brand	Dell
Part Number	664CN
Product Type	Network Equipment Power Supply
Condition	Refurbished

Technical Information
Input Voltage	AC
Input Frequency	50Hz,60Hz
Output	12V
Max. Output Power	550W
Hot Swappable	Yes
Redundant Support	Yes
Cooling Type	Active Fan
Modularity	Non-Modular
rail_design	Single 12V Rail
Number of Fans	1

Compatibility
Form Factor	Proprietary
Compatible For	Dell S4128,Dell S4048

Physical Characteristics
Weight	5.00

Certifications and Environmental
Compliance Standards	RoHS, CE, cULus

Product Description
This 550W power supply unit is built specifically for Dell's S4128 and S4048 switch models, providing steady and efficient power to ensure consistent network performance. It features an IO airflow design that aligns with the cooling architecture of these switches, helping to maintain stable operating temperatures. Commonly found in data centers and enterprise network setups, this PSU is essential for network administrators who require dependable hardware to keep switches running smoothly. Its plug-and-play compatibility makes it a practical choice for quick replacements or upgrades. Key Features Delivers 550 watts of stable power tailored to Dell switch requirements Airflow direction matches the switch's cooling system to prevent overheating Compact size eases installation in dense rack environments Durable construction supports continuous network operation Designed for seamless integration with Dell S4128/S4048 switches This power supply is typically deployed within network racks in server rooms and data centers where Dell switches operate. Its role is critical in maintaining uninterrupted network connectivity by ensuring the switch receives consistent power while managing heat effectively.

Use Cases
The 664CN Dell 550W Power Supply PSU is primarily utilized in enterprise networking setups where Dell S4128 and S4048 switches form the backbone of the data infrastructure. IT administrators and network engineers working within data centers or large-scale campus networks benefit from its compatibility and efficient cooling design, ensuring stable power delivery under demanding workloads. How It's Used: Powering Dell S4128 and S4048 switches in high-density rack deployments within data centers. Supporting network infrastructure in enterprise IT environments requiring consistent power and airflow management. Enabling reliable operation of edge computing nodes where space constraints necessitate compact power supply units. Facilitating network resilience in SMB networks upgrading to Dell switches with efficient cooling requirements. Maintaining uninterrupted connectivity in storage clusters reliant on Dell switches for data traffic management. This power supply supports operational efficiency by ensuring optimal thermal dynamics and seamless power integration in Dell switch platforms. Its design aids scalability by enabling straightforward replacement or upgrades without disrupting network performance.