Intel
Intel Pentium 4 Processor 551: 3.40 GHz, LGA 775 CPU
★★★★★
Reliable Processing Power for Legacy SystemsThe Intel Pentium 4 Processor 551 offers a dependable solution for older desktop systems, providing essential processing capabilities for everyday computing tasks. Model: 551 Socket Type: LGA 775 Frequency: 3.40 GHz Cache: 1MB FSB: 800 MHz Cores: 1
$29.99*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Reliable Processing Power for Legacy Systems
The Intel Pentium 4 Processor 551 offers a dependable solution for older desktop systems, providing essential processing capabilities for everyday computing tasks.
- Model: 551
- Socket Type: LGA 775
- Frequency: 3.40 GHz
- Cache: 1MB
- FSB: 800 MHz
- Cores: 1
Key Features
Intel Pentium4 551 Single-Core Server Processor
Model: SL8J5
Socket Type: Socket 775 (LGA775, Socket T)
Frequency: 3.40 GHz
Cores: 1
Specifications
Processor Model
Intel Pentium 4 Processor 551
Processor Type
Single-Core Server Processor
Model Number
SL8J5
Socket Type
Socket 775 (LGA775, Socket T)
Frequency
3.40 GHz
Cores
1
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Check on Amazon →Pros & Cons
👍 Pros
- Features an Intel Pentium 4 551 Single-Core Server Processor, suitable for basic server functions or legacy systems.
- Operates at a frequency of 3.40 GHz, providing capable single-core performance for its generation.
- Designed with a Socket 775 (LGA775, Socket T) type, compatible with motherboards supporting this specific socket.
- The single-core design can be efficient for applications that are not heavily threaded.
- Identified by model SL8J5, useful for specific system compatibility checks and replacements.
👎 Cons
- As a single-core processor, it will struggle significantly with modern multitasking and demanding applications.
- The Intel Pentium 4 architecture is quite old, meaning it is not competitive with contemporary CPUs in terms of performance or power efficiency.
- Intended as a server processor, but its single core limits its utility for current server workloads which are often highly parallelized.
- LGA 775 is a legacy socket, which means finding new compatible motherboards and components can be challenging.
- Does not feature integrated graphics, requiring a dedicated graphics card for display output, adding to system cost.
Frequently Asked Questions
What type of processor is the Intel Pentium 4 Processor 551?
The Intel Pentium 4 Processor 551 is a Single-Core Server Processor.
What is the clock speed of this processor?
This processor operates at a frequency of 3.40 GHz.
What socket type is compatible with this CPU?
The Intel Pentium 4 Processor 551 requires a Socket 775 (LGA775, Socket T) motherboard for installation.
How many cores does this processor have?
This is a single-core processor, designed for less demanding, single-threaded operations.
Is this processor suitable for modern gaming or intense multitasking?
No, as an older single-core processor, it is not recommended for modern gaming or intense multitasking applications.
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