Power supply Dell 200W Small Form Factor W125709668 for desktop systems

The Dell 200W Small Form Factor power supply provides up to 200 watts of DC power for compatible Dell small form factor desktop systems. Intended as an internal replacement unit, it restores the correct voltages and delivers the connector types and pinouts required by supported motherboards and peripherals. The unit is designed to fit standard small form factor chassis mounting and cooling arrangements, helping maintain system stability and reliable operation after a failed power supply.

Advantages

This power supply offers a compact design that suits low-profile desktop enclosures while delivering sufficient wattage for typical office, education, and light multimedia tasks. Built to match original equipment mechanical and electrical interfaces, it supports standard fan placement and mounting points to simplify installation. The unit provides regulated output rails and protection features that help prevent damage from overcurrent or short conditions when used in compatible systems.

Suitable for

• Replacement of a failed internal PSU in compatible Dell small form factor desktops
• Repairs and maintenance in office or business environments
• System restores after power supply–related stability issues
• Low-profile workstation builds that require a 200W SFF PSU

Key specifications

• Output power: 200 watts maximum
• Form factor: Small Form Factor (SFF), internal unit
• Cooling: internal fan compatible with standard SFF airflow
• Output rails: regulated multi‑rail outputs suitable for desktop components
• Connectors: motherboard and peripheral connectors compatible with supported Dell SFF systems
• Mounting: designed for standard SFF chassis mounting points and screw patterns

How to use

Power off the desktop and disconnect all cables from the mains before beginning. Open the chassis according to the system service manual and remove the faulty power supply by unscrewing and disconnecting the internal cables from the motherboard and drives. Install the replacement unit in the same orientation, secure it with the original screws, and reconnect power and peripheral connectors to their matching headers. Close the chassis, reconnect external cables, and power on the system. Verify that the system posts and that all peripherals receive power before returning the system to regular use.

Usage recommendations

Use this power supply only in compatible Dell small form factor desktop models. Confirm connector compatibility and physical fit before installation. If you are unsure about procedures, refer to the official service guide or seek assistance from a qualified technician to avoid damage to system components and ensure safe handling of internal parts.