Power Supply Dell 265W Mini Tower ATX12V 053N4

OEM Dell 265W power supply designed for Mini Tower systems with ATX12V compatibility. This unit delivers up to 265 watts of continuous power to support CPU, memory, storage and peripheral devices in compact desktop enclosures. Intended as a direct-fit replacement for compatible Dell mini tower desktops, it follows original manufacturer specifications to ensure reliable operation and straightforward installation.

Advantages

The power supply offers stable 265W output tailored for small form-factor towers, with an ATX12V connector layout that matches Dell mini tower motherboards. Being an OEM component, it preserves factory wiring, mounting points and thermal characteristics, reducing the need for modification. The unit is engineered for consistent voltage regulation and protection features appropriate for desktop computing environments.

Suitable for

• Replacement of faulty or failing power supplies in compatible Dell mini tower desktops
• Repair and refurbishment projects for small desktop systems requiring original-fit components
• System maintenance where OEM power compatibility and factory mounting are required

Key specifications

• Maximum continuous power: 265 W
• Form factor: internal power supply for mini tower desktop
• Compatibility: ATX12V-compatible connector set for supported Dell motherboards
• Output rails: multi-rail design providing voltages for CPU, drives and peripherals
• Cooling: internal fan for active airflow within small enclosures
• Mounting: OEM mounting points and connector positions for direct fit

How to use

Power off the computer and disconnect it from mains before beginning. Open the mini tower chassis using appropriate tools to access the internal power supply. Disconnect all power connectors from the motherboard, drives and peripheral devices, noting connector locations. Unscrew and remove the existing unit, then position the replacement OEM power supply aligning its mounting points with the case. Secure the unit with the original screws, reconnect all power cables to their matching connectors, verify secure seating, close the chassis and reconnect mains power. Power on the system and confirm that the BIOS/firmware and operating system detect normal power and that connected devices initialize correctly.

Recommendations

Use this OEM Dell power supply only in compatible Dell mini tower systems that accept ATX12V-style power modules. Ensure system airflow is unobstructed and internal cables are routed to avoid contact with cooling fans. If you are replacing a failing supply, verify that the replacement matches the original unit's connector types and wattage rating. For safety, perform installation in a static-free environment and consult service documentation or a qualified technician if unsure about compatibility or installation steps.