450-AKKS Dell 1100 Watt Ac Power Supply.

Dell 450-AKKS — 1100W AC Power Supply for PowerEdge R750

Boost reliability and efficiency in your data center with the Dell 450-AKKS, a high-performance 1100-watt AC power supply unit (PSU) specifically engineered for the PowerEdge R750 platform. Ideal for enterprise servers, virtualization hosts and heavy I/O workloads, this genuine Dell replacement delivers consistent power, advanced protection, and enterprise-grade durability.

Key Product Details

• Manufacturer: Dell
• Part Number / SKU: 450-AKKS
• Product Type: Power Supply (AC)
• Sub-Type: 1100-Watt redundant-capable PSU
• Compatible Systems: Dell PowerEdge R750 (verify firmware and chassis)

Technical Specifications & Features

Electrical & Performance

• Rated output: 1100 Watts continuous
• Input: Standard AC mains (auto-sensing for 100–240V)
• High-efficiency power conversion to minimize energy loss
• Designed for hot-swap capability in multi-PSU systems

Dell 450-AKKS 1100 Watt AC Power Supply

The Dell 450-AKKS 1100 Watt AC Power Supply is a high-performance, enterprise-grade power module designed specifically for Dell PowerEdge R750 servers. This category focuses on OEM and compatible replacement units that deliver stable, efficient, and redundant power to mission-critical server environments. Emphasis is placed on reliability under sustained loads, compliance with datacenter efficiency standards, and seamless integration with Dell PowerEdge chassis and management systems. The category covers single and multi-unit configurations, hot-swappable solutions, and options for new, refurbished, and certified-preowned units that meet manufacturer specifications.

Key Technical Characteristics and Why They Matter

The defining feature of the 450-AKKS power module is its 1100 watt continuous output capacity. In practical terms, this capacity supports the high-density compute and memory configurations typical in PowerEdge R750 systems. Voltage regulation, transient response, and power factor correction are all engineered to Dell’s stringent standards, ensuring the PSU remains tolerant of brief input fluctuations while preserving output stability for sensitive components such as CPUs, memory subsystems, and NVMe arrays. Thermal design is optimized to work within the R750 chassis airflow profile, minimizing hotspots and allowing the server’s thermal management algorithms to operate efficiently. Enterprise purchasers should note the unit’s compatibility with Dell’s firmware and iDRAC/embedded controller monitoring, enabling accurate power telemetry, predictive alerts, and graceful shutdown sequences in the event of critical events.

Redundancy and High-Availability Design

For datacenter operators, redundancy is not optional—it’s fundamental. The 450-AKKS is commonly deployed in N+1 or N+N redundant configurations, where two or more PSUs share the load and provide immediate backup in case of a failure. This category emphasizes units that support hot-swapping, allowing technicians to replace a faulty power supply without live service interruption. Redundant deployments with the 450-AKKS reduce single points of failure and facilitate serviceability. The category also discusses combining these PSUs with power distribution units (PDUs), UPS systems, and rack-level power planning to achieve predictable uptime across maintenance windows and unexpected outages.

Efficiency Ratings and Energy Savings

Energy efficiency is a top concern for modern IT departments, both for operating cost reduction and for meeting corporate sustainability goals. The Dell 450-AKKS typically conforms to high-efficiency standards, delivering a favorable efficiency curve at common server load points, such as 20 percent, 50 percent, and 80 percent utilization. Products in this category are often rated to meet or exceed industry efficiency benchmarks, allowing datacenters to lower energy waste and cooling demands. The HTML content here highlights how efficiency translates to lower electricity bills, reduced heat output, and extended lifecycle of server fans and other thermal components. Buyers seeking green certifications or wanting to reduce their carbon footprint will find value in selecting high-efficiency 1100W units rather than oversized, underutilized PSUs.

Compatibility, Identification, and Firmware Integration

Accurate identification of the 450-AKKS part number and firmware compatibility is important to avoid system alerts and to ensure proper reporting in Dell management interfaces. This category explains how OEM-labeled units and certified replacements will present the correct sensor data to the PowerEdge R750’s management subsystem, avoiding false warnings and enabling advanced power management features. It also breaks down how to confirm compatibility—through chassis part lookups, service tag cross-references, and Dell’s published compatibility matrices—so that procurement teams can confidently source units that will plug-and-play with minimal administrative overhead.

Form Factor, Mechanical Fit, and Hot-Swap Serviceability

The mechanical design of the 450-AKKS matches the R750’s PSU bay, ensuring a secure fit and correct electrical contact. This category includes discussion about handle ergonomics, locking mechanisms that prevent accidental ejection, and LED indicators that provide immediate status feedback to technicians on the data hall floor. It further explains why hot-swap capabilities matter: rapid removal and insertion of PSUs while the server remains operational is a key design advantage for minimizing downtime. The category emphasizes best practices for servicing, such as staging a replacement unit at the rack level, verifying compatibility with the server’s firmware, and performing the swap during a scheduled maintenance window when necessary to limit risk to connected workloads.

Performance Under Load — Real-World Scenarios

Understanding how a power supply behaves under typical datacenter workloads is vital. The copy explains performance under sustained peak CPU loads, storage-heavy operations, and during flash array bursts. It covers how the 450-AKKS is designed to handle load surges and to maintain regulation margins for multi-socket CPU configurations. The category gives concrete scenarios: virtualization-heavy environments running dozens of VMs, high-performance databases subject to I/O spikes, and GPU-accelerated nodes where transient power demand can jump. For each, the narrative explains how the PSU supports peak demands, contributes to predictable performance, and reduces the chance of thermal throttling or unexpected power-related interruptions.