Intel® Core™2 Duo E8400 processor SLB9J
Used desktop dual-core Intel Core 2 Duo E8400 processor (SLB9J, Socket LGA775, 3.0 GHz, 6MB L2 cache, FSB 1333 MHz). Reliable and classic model for older PCs and retro builds.




Intel Core 2 Duo E8400 SLB9J Processor (LGA775) – Legendary Reliability and Solid Performance
Are you looking for a proven replacement part to service an older business computer, reviving an industrial machine, or building a nostalgic retro gaming setup? The dual-core desktop Intel Core 2 Duo E8400 processor with the highly desirable SLB9J revision code is one of the most popular and stable processors of its era. The Wolfdale (45nm) architecture offers a high native clock speed along with excellent mechanical and electrical durability.
The SLB9J code guarantees the advanced E0 core stepping, which brought better power management, lower idle temperatures, and exceptional stability under long-term workloads. This makes it an ideal choice for lightweight systems, single-purpose stations, and diagnostic PCs.
Key Features of the Intel Core 2 Duo E8400 (SLB9J) Processor
- 2 fully-fledged physical cores running at a high clock speed of 3.00 GHz.
- Large 6 MB L2 Cache ensuring smooth instruction processing.
- Fast system bus speed of FSB 1333 MHz for snappy communication with the motherboard chipset.
- Highly sought-after E0 stepping (SLB9J) with optimized power efficiency and excellent thermal stability.
- Reliable 45nm manufacturing process with low heat output (65W TDP).
- Designed for the widely used Socket LGA775.
Efficient Wolfdale Architecture and Large L2 Cache
The Intel Core 2 Duo E8400 benefits heavily from its high native clock speed of 3.00 GHz and an impressively large 6MB secondary (L2) cache. In applications that do not utilize more than two cores, this processor still provides a surprisingly sharp responsiveness. It easily handles operating systems like Windows XP, Windows 7, or lightweight Linux distributions, alongside word processing, spreadsheet applications, or running legacy industrial automation control software.
Broad Compatibility and Restoring Older PCs
This processor is designed for motherboards featuring the **LGA775 socket**. It is compatible with a wide range of chipsets that support 45nm processors and a 1333 MHz FSB speed (e.g., Intel G31, G41, P35, P45, Q35, Q45 and others).
It represents an ideal replacement part for iconic enterprise desktop computers and workstations, such as:
- Dell OptiPlex 755, 760, 780 (Desktop / SFF / MT form factors)
- HP Compaq 6000 Pro, 8000 Elite / older HP ProDesk series
- Lenovo ThinkCentre M58, M58p and other custom-built systems from the 2008–2011 era
Technical Specifications
| Parameter | Value |
|---|---|
| Model | Intel Core 2 Duo E8400 (SLB9J) |
| Core Code / Stepping | Wolfdale / E0 |
| Socket | Socket LGA775 |
| Number of Cores | 2 |
| Number of Threads | 2 (does not support Hyper-Threading) |
| Processor Frequency | 3.00 GHz (does not support Turbo Boost) |
| Cache | 6 MB L2 Cache |
| Bus Speed (FSB) | 1333 MHz |
| Lithography (Process) | 45 nm |
| Thermal Design Power (TDP) | 65 W |
| Integrated Graphics | No (graphics must be provided by the motherboard or a discrete GPU) |
Additional parameters
| Category: | PC processors |
|---|---|
| EAN: | 8596701119902 |
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