Dell 3XRJ0 PSU 255W Switching Delta D255ES-00 Optiplex 9020 SFF

Overview
The Dell 3XRJ0 PSU 255W Switching Delta D255ES-00 is a reliable power supply designed specifically for the Optiplex 9020 Small Form Factor (SFF) desktop. This 255 watt unit delivers clean, efficient power to keep your system running smoothly in demanding office or home environments. Its compact size and quiet operation make it an ideal replacement or upgrade for maintaining peak performance of your Dell workstation.

Key Features

• High efficiency switching technology for lower energy consumption
• Compact SFF form factor fits tightly inside the Optiplex 9020 chassis
• Quiet fan design reduces noise during normal operation
• Built-in protection circuits guard against over voltage, over current and short circuit conditions
• Fully compatible with Dell Optiplex 9020 SFF models and other Dell systems that use the D255ES-00 form factor

Technical Specifications

• Model/Part Number: 3XRJ0
• Power Output: 255 watts
• Input Voltage: 100-240 V AC
• Frequency: 50-60 Hz
• Efficiency: Up to 85 percent (typical)
• Connector Type: Standard Dell 8 pin ATX12V and 24 pin ATX main power connectors
• Dimensions: Approx 5.5 in (width) x 3.4 in (depth) x 1.5 in (height)
• Weight: Approx 1.2 lbs
• Operating Temperature: 0 to 40 degrees C
• Storage Temperature: -20 to 60 degrees C

Applications
This power supply is perfect for business desktops, educational computer labs, and small office environments where reliable, low-noise operation is essential. It is also suitable for home office setups, point of sale terminals, and any Dell Optiplex 9020 SFF system that requires a dependable power source for everyday computing tasks, multimedia playback, and light virtualization workloads.