Cisco UCS-PSU-6248-HVDC 750 Watt Vdc Hot Plug Power Supply.

Cisco UCS-PSU-6248-HVDC 750W Hot-Plug Power Supply 

Product Overview and Key Highlights

The Cisco UCS-PSU-6248-HVDC 750 Watt VDC Hot Plug Power Supply is a mission-critical hardware component designed for Cisco Unified Computing System (UCS) environments, particularly engineered for Cisco 6428UP Fabric Interconnect. This power supply delivers stable performance, high efficiency, and continuous uptime for enterprise workloads and data-intensive operations. Built with hot-plug capability, it enables technicians to replace or install units without shutting down the entire chassis, reducing disruption and maximizing availability.

General Product Specifications

• Part Number: UCS-PSU-6248-HVDC
• Manufacturer: Cisco Systems
• Power Output: 750 Watts
• Power Type: VDC (Direct Current)
• Compatibility: Cisco 6428UP Fabric Interconnect models

Why This Power Supply Matters

Dependable Energy Delivery

Cisco designed the UCS-PSU-6248-HVDC to supply a reliable 750W of direct current, ensuring consistent operation even in demanding environments. Data centers and IT teams depend on stable energy output to support networking hardware, server blades, and integrated infrastructure.

Hot-Plug Functionality

One of the most valuable features of this module is its hot-swap design. Administrators can insert or remove the PSU while the system remains live, allowing quick replacements or upgrades without interrupting workloads.

Designed for Cisco 6428UP FI

Optimized for the Cisco UCS 6428UP Fabric Interconnect, this model ensures seamless integration and power redundancy. The exact fit and compatibility reduce risks of mismatched hardware and maximize system efficiency.

Performance and Operational Advantages

Energy Efficiency

Efficient conversion technology reduces energy waste, lowers heat production, and supports eco-friendly initiatives. By using this power supply, organizations can lower overall energy costs and improve power usage effectiveness (PUE).

Redundancy and Reliability

Multiple UCS-PSU-6248-HVDC units can be installed to support N+1 or N+N redundancy. This configuration ensures continuous operation even if one PSU fails, enabling mission-critical systems to stay online without interruption.

Key Benefits

• Delivers a steady 750W direct current output for Cisco UCS infrastructure.
• Hot-plug design allows maintenance without downtime.
• Load-sharing capabilities enhance redundancy and system stability.
• Engineered specifically for Cisco 6428UP FI models, ensuring perfect compatibility.
• Energy-efficient design minimizes cooling demands and lowers costs.

Technical Characteristics

Mechanical Design

This power supply fits seamlessly into designated bays of Cisco UCS systems. Ejector handles and locking mechanisms guarantee secure installation while allowing quick removal when required.

Safety and Protection Features

Integrated safeguards protect against power surges, overcurrent, thermal overloads, and short circuits. These protections ensure long-term reliability of both the PSU and the connected system.

LED Indicators

Front-panel LED indicators allow immediate visual confirmation of operational status, helping IT staff monitor health and quickly identify faults or failures.

Applications and Deployment Scenarios

• High-performance computing clusters relying on Cisco UCS chassis.
• Enterprise-level virtualization and database hosting platforms.
• Service providers and colocation facilities needing high availability.
• Remote offices and branch deployments with minimal downtime tolerance.

Procurement and Inventory Guidance

Choosing the Right Unit

Always cross-reference the Cisco part number UCS-PSU-6248-HVDC with official compatibility lists to ensure proper fit. Avoid generic alternatives unless certified for UCS environments.

Key features and capabilities

High-density, enterprise-grade 750 W Vdc output

At the core of this category is the reliable 750 Watt DC output rating. These power supplies are engineered to deliver stable Vdc power to Cisco UCS chassis and blade systems that demand sustained, low-noise, and high-efficiency operation. Customers choose 750 W Vdc modules when they need a combination of:

• Predictable power headroom for high-performance blades and I/O cards.
• Efficient conversion with reduced heat dissipation compared to legacy modules.
• Compatibility with hot-swap/hot-plug server environments that require zero-downtime maintenance.

Hot-plug design for uninterrupted service

Hot-plug capability is a defining characteristic for this product class. The UCS-PSU-6248-HVDC modules support live insertion and removal without powering down the chassis — a critical feature for production data centers and managed services providers who must minimize service interruptions during maintenance or failover events.

Redundancy and load-sharing features

Most datacenter deployments with Cisco UCS use multiple power supplies in an N+1 or N+N redundancy configuration. The UCS-PSU-6248-HVDC supports dynamic load sharing across installed modules so that one or more units can fail or be removed while the chassis remains powered. The category emphasizes redundant architectures, recommending best practices for redundancy planning to achieve targeted service-level agreements.

Technical specifications and engineering details

Electrical characteristics

Buyers prioritizing technical fit should review the electrical profile: nominal Vdc output (as specified by Cisco for UCS hardware), maximum continuous load, inrush current behavior, and ripple/noise performance. While exact voltage and rail details vary slightly by hardware revision, a typical 750 W Vdc UCS power module provides:

• Nominal DC output suitable for the intended UCS chassis model.
• High-efficiency conversion to reduce PUE (Power Usage Effectiveness) impact.
• Built-in protections such as overvoltage, overcurrent, short-circuit, and thermal shutdown to protect downstream server components.

Physical form factor and mechanical fit

The UCS-PSU-6248-HVDC family is designed to match Cisco UCS chassis power bays with exact mechanical guides and electrical connectors. When evaluating replacements or spares, ensure the form factor matches the target chassis (blade, rack-mount, or fabric interconnect power shelf) and that alignment tabs, ejector levers, and connector geometries align with the chassis backplane.

Thermal and environmental ratings

This category includes products rated for standard data center environmental conditions. Key environmental specs to examine include operating temperature range, storage temperature, humidity tolerance, and required airflow orientation. Heat dissipation characteristics influence rack placement and cooling infrastructure decisions — higher-efficiency modules reduce cooling load and improve operational margin.

Compatibility: Which Cisco UCS systems accept UCS-PSU-6248-HVDC?

Chassis and platform compatibility

Compatibility is a primary concern for procurement teams. The UCS-PSU-6248-HVDC is typically associated with specific Cisco UCS chassis series and fabric interconnect systems. Confirm compatibility with your exact chassis model and hardware revision before ordering. The category page should provide a compatibility checklist that includes chassis model numbers, firmware dependencies, and mechanical bay identifiers to avoid mismatched spares.

Common compatible models

While product families evolve, buyers often find this PSU used in high-density UCS chassis variants and certain Cisco blade server platforms. Always verify with Cisco compatibility matrices, but typical uses include:

• Enterprise UCS blade chassis requiring Vdc power modules.
• Specialized fabric or power distribution enclosures in UCS ecosystems.

Firmware and management integration

A power module’s real value increases when it integrates with chassis management tools such as UCS Manager. The UCS-PSU-6248-HVDC typically reports health status, output metrics, and fault indicators to the management plane — enabling monitoring, alarms, and automated remediation. Include firmware revision and UCS Manager compatibility in purchase decisions to ensure telemetry and health reporting function correctly.