Name: PS-3291-1DB Dell 290-Watt Power Supply for OptiPlex 3020 7020 9020 MT PowerEdge T20 Precision T1700
Brand: Dell
SKU: PS-3291-1DB
Price: 69.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The PS-3291-1DB Dell 290-Watt Power Supply is an internal component that provides steady power to select Dell desktop models. It fits into tower cases like the OptiPlex 3020 and Precision T1700, delivering reliable energy conversion necessary for daily computing tasks without fuss.

General Information
Brand	Dell
Part Number	PS-3291-1DB
Product Type	Server Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60Hz
Output	+12V, +5V, +3.3V, -12V, +5VSB
Max. Output Power	290W
Hot Swappable	No
Redundant Support	No
Cooling Type	Active Fan
Modularity	Non-Modular
rail_design	Single 12V Rail
Number of Fans	1

Compatibility
Form Factor	Proprietary
Compatible For	OptiPlex 3020 MT,OptiPlex 7020 MT,OptiPlex 9020 MT,PowerEdge T20,Precision T1700

Connectors
Connector Types	24-pin ATX, 4-pin CPU, 6-pin PCIe, SATA, Molex

Physical Characteristics
Weight	5.00

Certifications and Environmental
Compliance Standards	WEEE, RoHS, CE, FCC, UL, cULus

Product Description
This 290-watt power supply is built for Dell desktop models like the OptiPlex 3020, 7020, 9020 MT, PowerEdge T20, and Precision T1700. It reliably converts AC power to stable DC output necessary for these systems to run smoothly. Often found in office or small business environments, this PSU supports everyday computing, multitasking, and light to moderate workloads. Key Features Ensures consistent power for Dell mid-range desktop systems Fits standard tower cases for easy replacement or upgrade Meets Dell’s specifications for voltage and connectors Helps maintain system stability under typical operational load Quiet operation suitable for professional workspaces The power supply is commonly deployed inside Dell business desktops where reliable power is crucial. It plays a key role in preventing power-related interruptions and hardware issues, making it a practical choice for IT maintenance and upgrades.

Use Cases
The PS-3291-1DB Dell 290-Watt Power Supply is primarily utilized within mid-range desktop environments where dependable power delivery is critical. IT departments managing Dell OptiPlex and Precision tower systems in office settings or small data centers benefit from its consistent performance, ensuring operational stability during daily workloads. How It's Used: Powering OptiPlex 3020 and 7020 units in SMB offices handling productivity and administrative applications. Supporting Precision T1700 workstations in engineering and design environments requiring reliable energy for CAD and modeling tasks. Deploying within PowerEdge T20 servers used in remote or branch offices for light virtualization and file serving. Replacing aging power supplies in enterprise IT departments to maintain uptime in desktop fleets. Integrating into tower form factor systems in educational institutions for stable operation of computer labs. By providing steady and efficient power tailored to specific Dell desktop models, this supply unit helps maintain system reliability and performance consistency. Its compatibility and form factor support streamline maintenance and scalability within managed IT infrastructures.