Intel

Intel SL9TB-cr Core 2 Duo E4300 1.8GHz Laptop CPU (Renewed)

A renewed Intel Core 2 Duo E4300 processor offering reliable 1.8GHz dual-core performance for compatible Socket T systems.

$12.12*$29.99Save 59%
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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

The Intel Core 2 Duo E4300 (SL9TB) is a dual-core processor from Intel's highly regarded Core 2 family, originally released as a budget-friendly entry into dual-core computing. Running at 1.8 GHz with 2 MB of shared L2 cache and an 800 MHz front-side bus, it was designed to deliver capable everyday performance—web browsing, office productivity, media playback—without excessive power draw. Its 65-watt TDP means it runs cool enough for standard cooling solutions commonly found in LGA 775 desktops and workstations. This particular unit is a renewed product, meaning it has been professionally inspected, tested, and verified to perform to original specifications.

As a renewed processor, the E4300 is best suited for a specific use case: replacing a failed or degraded CPU in an existing Socket T system. Whether maintaining an older workstation, restoring a legacy machine for a specific software requirement, or simply keeping a secondary computer running, this chip provides a cost-effective solution. It is covered by the Amazon Renewed guarantee, which offers eligibility for replacement or refund if the product does not meet expectations. While the Core 2 Duo architecture is well past its competitive lifespan, the E4300 remains a reliable and efficient chip within its intended platform.

Key Features

Brand: Intel

Processor Model: Core 2 Duo E4300

Step Code: SL9TB

Clock Speed: 1.8 GHz

CPU Socket Type: Socket T

Max TDP: 65 W

L2 Cache: 2 MB

Bus Speed: FSB Speed-800 MHz

Specifications

Brand
Intel
Processor Model
Core 2 Duo E4300
Step Code
SL9TB
Clock Speed
1.8 GHz
Cores
2
CPU Socket Type
Socket T (LGA 775)
Max TDP
65 W
L2 Cache
2 MB
Front-Side Bus Speed
800 MHz
Condition
Renewed

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Pros & Cons

👍 Pros

  • Renewed and tested under Amazon Renewed guarantee provides a low-risk purchase for legacy system repairs
  • 65W TDP keeps power consumption and heat output modest for older platforms
  • Dual-core design still handles basic multitasking and everyday computing tasks
  • Affordable replacement option for maintaining or reviving existing LGA 775 systems

👎 Cons

  • Legacy architecture is significantly outperformed by modern processors in all workloads
  • Only 2 MB of L2 cache limits performance in memory-intensive applications
  • 800 MHz front-side bus is a bottleneck compared to modern interconnects
  • Limited to dual-core with no hyper-threading, restricting multi-threaded performance
  • Socket T (LGA 775) platform is end-of-life with no upgrade path

Frequently Asked Questions

The E4300 uses Socket T (LGA 775), so it is compatible with motherboards that support that socket and the Core 2 Duo lineup.
This is a renewed (refurbished) processor that has been professionally inspected and tested to work and look like new, backed by the Amazon Renewed guarantee.
The E4300 has a maximum TDP of 65 watts, which is manageable for most LGA 775 cooling solutions.
The E4300 operates with an 800 MHz front-side bus speed.
It includes 2 MB of L2 cache shared between its two cores.