Power Supply Unit Dell WYHR8 260W – internal PSU for compatible Dell systems

Dell WYHR8 is a 260W internal power supply unit designed for compatible Dell desktop and server systems. It delivers a stable 260 watts of DC power to system components and is intended as a direct-fit replacement for original units in supported models. The unit is built to meet basic reliability and power delivery needs for maintenance, repairs and routine upgrades where the system requires a specific internal PSU form factor and connector set.

Advantages

The power supply offers reliable, continuous 260W output with protection features typical for OEM internal PSUs. It supports straightforward replacement in compatible Dell systems and helps restore original power capabilities without the need for custom wiring. The internal design conserves space inside the chassis and aligns with factory mounting points and connectors.

Suitable for

• Replacing a failed internal PSU in compatible Dell desktops or small servers
• Repairing systems during maintenance or refurbishment
• Restoring original power specifications after component upgrades
• Use in environments that require factory-fit internal power supplies

Key specifications

• Rated output power: 260 watts
• Form factor: internal PSU, designed for specific Dell chassis
• Input: standard AC mains input via system wiring (internal connection)
• Output rails: multiple DC rails to supply motherboard, drives and peripherals
• Cooling: integrated internal fan for thermal management
• Mounting: chassis-aligned mounting points compatible with intended Dell models

How to use

Before installation, power down the system and disconnect it from the mains. Open the chassis according to the manufacturer's service instructions to access the existing power supply. Remove any retaining screws or brackets, disconnect all power connectors from the motherboard and attached devices, then extract the old unit. Install the replacement PSU by aligning it with chassis mounting points, secure it with the appropriate fasteners, and reconnect all internal power cables to their corresponding sockets. Close the chassis, reconnect mains power and perform a system power-on test to verify stable operation.

Usage recommendations

Use this PSU only in systems specified by the original equipment manufacturer as compatible. Verify connector types and mounting compatibility before purchase. Ensure adequate ventilation within the chassis and avoid operating the system in high-temperature or high-dust environments to maintain PSU longevity. If unsure about installation, consult authorized service documentation or a qualified technician.