Product Overview
The Lenovo ThinkSystem 03KH678 is the standard-performance CPU heatsink designed for use in Lenovo ThinkSystem SR630 V3 (7D73), SR650 V3, and SR850 V3 1U rack servers. Featuring a 3-heatpipe design, this heatsink supports processors up to 165W TDP and is the factory-configured standard thermal solution for these platforms. Compact and purpose-built for 1U server chassis, it ensures reliable processor cooling in dense enterprise rack deployments. It is the OEM Lenovo part and a direct replacement for servers requiring standard (non-performance) thermal management.
Technical Specifications
| Part Number | 03KH678 |
| Type | Standard CPU Heatsink |
| Heatpipes | 3x Heatpipes |
| Max TDP Supported | 165W |
| Server Form Factor | 1U Rack |
| Dimensions | 120mm (L) x 80mm (W) x 30mm (H) |
| Weight | 0.21 kg |
| Compatible Systems | Lenovo ThinkSystem SR630 V3 (7D73), SR650 V3, SR850 V3 |
| Processor Socket | Intel Xeon Scalable (5th Gen / Emerald Rapids) |
| Manufacturer | Lenovo |
| Condition | Refurbished – Grade A |
Condition & Warranty
This unit is sold as professionally refurbished and has been inspected, tested, and verified fully functional prior to listing. It ships in Grade A condition with no missing fins, mounting hardware intact, and heatpipes verified for integrity. Compatible with Lenovo ThinkSystem SR630 V3, SR650 V3, and SR850 V3 servers as the standard (non-performance) thermal solution for processors up to 165W TDP. A 90-day replacement warranty is included. B2B invoicing available upon request.