450-AJHG Dell 1400 Watt AC Power Supply.

Dell 450-AJHG — 1400W Redundant AC Power Supply for PowerEdge Servers

Upgrade or replace your server power with the Dell 450-AJHG 1400 Watt AC Power Supply, engineered for high-efficiency, mission-critical performance in Dell PowerEdge systems. This hot-pluggable power module delivers robust, stable power for demanding workloads and is purpose-built for compatibility with popular PowerEdge rack and tower servers.

At-a-Glance: Main Information

• Manufacturer: Dell
• Part Number / SKU: 450-AJHG
• Product Category: Server Power Supply
• Wattage: 1400 Watt
• Device Type: Hot-pluggable (hot-swap capable)

Key Advantages & Highlights

• High Capacity: 1400W output supports dense compute and storage configurations.
• Hot-Swap Design: Replace or service without shutting down the server — ideal for 24/7 environments.
• Reliable Operation: Built to Dell’s enterprise standards for continuous availability.
• Energy Efficient: Optimized for power efficiency to reduce operating costs and thermal load.
• Redundancy Ready: Suitable for dual/redundant power configurations to minimize single points of failure.

Technical Specifications (Common)

• Output Power: 1400 Watts
• Input Type: AC
• Form Factor: Hot-plug, server-grade power module
• Typical Use: Enterprise servers, data centers, virtualization hosts

Compatibility & Supported Systems

This power supply is specifically designed to work seamlessly with the following Dell PowerEdge platforms:

• PowerEdge R650
• PowerEdge R750
• PowerEdge R760
• PowerEdge R6525
• PowerEdge R7525

Dell 450-AJHG 1400 Watt AC Power Supply — Enterprise-grade Reliability for PowerEdge Servers

The Dell 450-AJHG 1400 Watt AC Power Supply is engineered to meet the demanding power, reliability, and efficiency needs of modern data centers and enterprise environments. Designed specifically for Dell PowerEdge systems — including R650, R750, R760, R6525, and R7525 — this power supply offers high-density output, consistent power delivery, and the dependability IT teams expect from OEM-class components. Whether your environment runs virtualization clusters, high-performance computing (HPC), mixed workloads, or storage-heavy appliances, understanding the capabilities of the 450-AJHG helps you optimize uptime, reduce operational risk, and simplify maintenance.

Core Specifications and Technical Overview

The technical design of the Dell 450-AJHG centers on delivering 1400 watts of continuous AC power in a compact server-form factor. This model incorporates enterprise-class components rated for extended duty cycles, enabling consistent power output under sustained high-load conditions. Key technical attributes include AC input compatibility for typical data center power feeds, active power factor correction (PFC), and internal protection mechanisms for over-voltage, under-voltage, over-current, and short-circuit events. These features collectively preserve server stability and protect internal subsystems such as CPUs, memory arrays, storage controllers, and PCIe accelerators.

Compatibility with Dell PowerEdge R650, R750, R760

Compatibility remains a crucial consideration when sourcing replacement or spare power supplies. The 450-AJHG is validated for the PowerEdge R650, R750, and R760 chassis families, which are frequently deployed in rack-dense compute clusters and virtualized environments. For these 1U and 2U rack servers, the power supply is engineered to interface with the server’s built-in power distribution backplane and management firmware. This ensures that system-level telemetry, such as input voltage, output wattage, temperature, and fan speed metrics, is reported accurately to the integrated Dell Remote Access Controller (iDRAC) and other monitoring tools.

Compatibility with PowerEdge R6525 and R7525 (AMD-based Platforms)

For AMD EPYC-based PowerEdge systems such as the R6525 and R7525, the 1400W 450-AJHG supplies the headroom necessary for multi-socket CPU configurations and dense GPU or accelerator setups. AMD-based nodes often draw varied power profiles depending on core counts and accelerator presence; the 450-AJHG is sized to handle bursts and sustained loads while maintaining voltage stability across rails. OEM compatibility testing ensures safe fitment and firmware-level recognition, supporting seamless hot-swap replacement and warranty compliance when used in certified Dell systems.

Design Features that Matter to IT Teams

Enterprise server power supplies must balance thermal, electrical, and mechanical constraints. The 450-AJHG deploys a compact, hot-pluggable design that reduces Mean Time To Recovery (MTTR) when units fail or require maintenance. Active cooling pathways, combined with a high-efficiency power conversion stage, minimize heat generation and allow the server chassis cooling subsystem to operate efficiently. On the mechanical side, the latching mechanism and standardized connector interfaces are designed to simplify installation while preventing misalignment and connector stress commonly seen in dense rack deployments.

Hot-Swap and Redundancy Support

The ability to hot-swap a failed power supply without interrupting server operations is essential in high-availability deployments. When installed in redundant power supply configurations, the Dell 450-AJHG contributes to N+1 or N+N redundancy topologies. This means that during scheduled maintenance or unexpected failures, a secondary supply can carry the load while technicians replace the affected unit, preserving service continuity for critical workloads. Integration with chassis-level redundancy logic ensures that firmware will reallocate load and report state changes to management consoles.

Efficiency, Thermal Behavior, and Operational Costs

Power supply efficiency directly impacts operational costs for data centers, both through lowered electricity consumption and reduced cooling requirements. The 450-AJHG is designed with efficiency-optimized power conversion, which reduces wasted energy as heat and improves overall Power Usage Effectiveness (PUE) for facilities. The reduced thermal output also allows server fans to operate more conservatively under typical loads, lowering acoustic output and fan wear. Over time, choosing a more efficient power supply contributes to predictable reductions in TCO (Total Cost of Ownership) for rack server fleets.

Regulatory and Environmental Certifications

Dell’s enterprise power supplies generally comply with international safety and electromagnetic compatibility standards. The 450-AJHG is designed with the certifications expected in enterprise deployments, which may include UL, CE, FCC, and energy-efficiency classifications appropriate to the model and production batch. Regulatory compliance ensures the PSU can be deployed across geographic regions without violating local equipment standards and helps facilities meet corporate sustainability targets.