Aluminum Heatsink Fan Assembly 80mm 3-Pin for AMD Sockets 754 939 940 Athlon 64 Athlon 64 X2 FX Sempron Opteron CPUs

Replace a worn, noisy, or missing legacy cooler with this heatsink and fan assembly for AMD socket 754, 939, and 940 processors. This replacement cooling kit uses an aluminum heatsink with an 80mm fan and 3-pin connector, making it a practical solution for many older K8-based desktop, workstation, and server platforms that use the classic AMD retention-style cooler mount.

This cooler is intended for supported legacy AMD systems using socket 754, 939, or 940 and is a strong fit for many Athlon 64, Athlon 64 X2, Athlon 64 FX, Sempron, and Opteron builds when the system uses the matching retention bracket and physical mounting style. Compatible CPU families and example motherboard models are listed below.

Technical Specifications

• Product Type: Heatsink / Fan Assembly
• Material: Aluminum Heatsink
• Heatsink Dimensions: 80mm x 78mm x 42mm - approximately
• Fan Dimensions: 80mm x 80mm x 25mm - approximately
• Fan Connector: 3-Pin
• Life Hours: Approximately 30,000 Hours
• Supported AMD Sockets: 754, 939, 940
• Application: Legacy desktop, workstation, and server CPU cooling
• Note: Documentation and photos may differ from the actual product that ships

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on your system's specific configuration. It is essential to verify socket type, retention bracket style, and physical clearance prior to installation.

✔️ Supported AMD Socket Platforms: Socket 754, Socket 939, and selected Socket 940 systems using the correct AMD K8-era retention bracket / clip-mount cooler design.
✔️ Supported CPU Families: AMD Athlon 64, Athlon 64 X2, Athlon 64 FX, Sempron, and selected Opteron processors based on the K8 microarchitecture for the supported sockets above.
✔️ ASUS Socket 754 Motherboards: K8V SE Deluxe, K8V-X, K8U-X, K8N4-E Deluxe, plus ASUS K8-series Socket 754 boards such as K8N, K8N-E, K8N-E Deluxe, K8V-X SE, and K8V-MX.
✔️ GIGABYTE Socket 754 Motherboards: GA-K8NS, GA-K8VM800M-RH.
✔️ ASRock Socket 754 Motherboards: K8Upgrade-VM800, K8NF4G-SATA2, K8NF4G-SATA2 R2.0.
✔️ BIOSTAR Socket 754 Motherboards: K8VGA-M.
✔️ ASUS Socket 939 Motherboards: A8N-E, A8N-VM CSM, A8N-SLI, A8N-SLI Deluxe, A8N-SLI SE, A8N32-SLI, A8V, A8V Deluxe, A8V-E Deluxe, and A8V-E SE.
✔️ GIGABYTE Socket 939 Motherboards: GA-K8N Ultra-9, GA-K8N-SLI, GA-K8N Ultra-SLI, GA-K8NF9 Ultra.
✔️ ASRock Socket 939 Motherboards: 939Dual-SATA2, 939Dual-VSTA, 939NF4G-SATA2, 939NF6G-VSTA, 939A8X-M, 939S56-M, 939SLI-eSATA2, 939SLI32-eSATA2.
✔️ BIOSTAR Socket 939 Motherboards: TForce4 U, TForce4 U SE.
✔️ ASUS Socket 940 Motherboards: SK8N, K8N-DL.
✔️ GIGABYTE Socket 940 Motherboards: GA-K8NNXP-940, GA-7A8DW.
✔️ Supermicro Socket 940 Motherboards / Serverboards: H8DCE-HTe, H8DC8, H8DCi.
✔️ TYAN Socket 940 Motherboards: Thunder K8S Pro S2882, S2881, Tiger K8W S2875.

⚙️ Additional Fit Note for Socket 940

• Many Socket 754 and Socket 939 boards used the familiar AMD desktop retention frame, so compatibility is generally broad when the board has the correct clip mount and clearance.
• Socket 940 is more mixed. A number of Opteron boards support the socket electrically, but some workstation/server boards shipped with proprietary cooler hardware or chassis airflow designs. For those systems, confirm the original heatsink style and retention hardware before listing this cooler as a guaranteed fit.

☑️ Key Features

☑️ Replacement heatsink and fan assembly for legacy AMD socket 754, 939, and 940 CPU platforms
☑️ Aluminum heatsink design helps dissipate heat in older desktop, workstation, and server systems
☑️ 80mm fan size offers a practical replacement for many stock-style legacy CPU coolers
☑️ 3-pin fan connector supports many older motherboard CPU fan headers
☑️ Strong fit for many K8-generation systems using Athlon 64, Athlon 64 X2, Athlon 64 FX, Sempron, and Opteron processors
☑️ Good option for system repairs, retro PC restorations, legacy server maintenance, and replacement builds
☑️ Compact stock-style design works well where larger tower coolers are not practical

Upgrade Option - Higher Capacity Copper Cooler

Need more cooling headroom or broader socket coverage? A great upgrade option is the Original AMD Heatsink Fan 125W Copper Cooler.

This is a stronger upgrade choice for users who want a heavier-duty copper cooler with support across a wider range of AMD platforms, including FM2, FM1, AM3, AM2+, AM2, 1207, 939, 940, and 754.

☑️ Good upgrade path for users who want improved cooling over a basic aluminum legacy heatsink
☑️ Broader socket support than this standard 754 / 939 / 940 cooler
☑️ Ideal for higher-heat legacy systems or users who prefer a more robust copper-based cooler

⚙️ Fit Notes

• Please verify your exact CPU socket before ordering: this cooler is intended for socket 754, 939, and 940 platforms
• Make sure your motherboard uses the correct AMD retention bracket / clip mount style required for this cooler
• Please confirm there is enough clearance around the CPU socket for the heatsink body and 80mm fan assembly
• This cooler uses a 3-pin fan connector, so your motherboard should have a compatible CPU fan header
• For best thermal performance, install with fresh Shin-Etsu G751