WN7GG - 4-Pin CPU Cooling Fan and Heatsink Assembly for XPS 8700 8300 8500 Inspiron 660 3847

The WN7GG CPU cooling fan and heatsink assembly is designed for select desktop tower and small-form-factor systems, including XPS, Inspiron, and Vostro desktop models. This assembly combines the aluminum CPU heatsink and attached cooling fan to help transfer heat away from the processor and maintain proper airflow inside the system.

This part is suitable for replacing a noisy fan, damaged heatsink, worn cooling assembly, overheating system, fan error condition, or failed CPU cooling unit when the original assembly matches part number WN7GG or one of the listed replacement part numbers below.

Technical Specifications

• Part Number: WN7GG
• Product Type: CPU Cooling Fan and Heatsink Assembly
• Cooling Type: Active CPU cooling
• Assembly Includes: CPU heatsink with attached cooling fan
• Fan Connector: 4-Pin
• Power Connection: 4-Pin
• Heatsink Material: Aluminum
• Mounting Type: Direct CPU heatsink mounting
• Socket / Mounting Family: Compatible with select Intel LGA 115x desktop mounting layouts
• Installation Location: Processor / CPU socket area
• Application: Desktop CPU cooling replacement

Interchangeable / Replacement Part Numbers

WN7GG, 0WN7GG, CN-0WN7GG

Thermal Paste Recommendation

Thermal paste is sold separately and should be applied whenever the heatsink is removed, replaced, or reinstalled. For best thermal transfer between the processor and heatsink, we recommend using Shin-Etsu G751.

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on your system's specific configuration. It's essential to verify compatibility with your system or enclosure manufacturer prior to installation.

✔️ XPS Desktop Series: XPS 8300, XPS 8500, XPS 8700
✔️ Inspiron Desktop Series: Inspiron 620, Inspiron 660, Inspiron 3847
✔️ Vostro Desktop Series: Vostro 270S

☑️ Key Features

☑️ Complete CPU cooling fan and heatsink assembly for compatible desktop systems
☑️ 4-pin fan connector for system-controlled CPU cooling
☑️ Aluminum heatsink helps transfer heat away from the processor
☑️ Helps resolve overheating, fan noise, fan failure, and CPU cooling issues
☑️ Suitable replacement for assemblies marked WN7GG, 0WN7GG, or CN-0WN7GG
☑️ Designed to mount directly over the CPU socket area in supported chassis layouts
☑️ Restores proper airflow and thermal contact when the original cooling assembly is worn or damaged
☑️ Ideal for desktop repair, maintenance, and system restoration

⚙️ Fit Notes

• Match part number WN7GG, 0WN7GG, or CN-0WN7GG before ordering whenever possible.
• Verify the fan connector, heatsink shape, screw mounting layout, and chassis clearance before installation.
• This assembly uses a 4-pin fan connector. Do not order if your original fan uses a different connector type.
• The heatsink should sit flat against the processor with proper mounting pressure.
• Thermal paste is required when installing this assembly and is sold separately.
• Clean all old thermal compound from the processor before installing the replacement heatsink.
• Remove dust from the surrounding vents, fan shroud, and internal airflow path during installation.
• System configurations may vary, so always compare the original cooling assembly to the replacement part before ordering.