Crucial 8GB DDR4 2666 MHz SO-DIMM Memory Module Kit (2 x 4GB)

★★★★★ 4.7 104 reviews

US$38.80
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US$38.80
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Product details

Management number 241240133 Release Date 2026/07/17 List Price US$38.80 Model Number 241240133
Category
Overview

The Crucial CT2K4G4SFS8266 is a memory module kit designed to boost your laptop’s performance by providing 8GB of DDR4 RAM through two 4GB SO-DIMM modules. Running at 2666 MHz, it accelerates everyday tasks such as web browsing, document editing, and multitasking, making your system more responsive and efficient. Operating at a low voltage of 1.2V, this memory kit helps extend battery life while maintaining solid performance.

Its non-ECC and unbuffered design ensures compatibility with most laptops and small form factor PCs that support SO-DIMM slots, making it an easy upgrade for users seeking improved multitasking or a performance refresh. With a CAS latency of 19, it delivers stable and reliable operation suitable for daily computing needs.

Key features
  • Provides 8GB total memory capacity through two 4GB modules, enhancing multitasking capabilities
  • DDR4 technology running at 2666 MHz for faster data processing and smoother system responsiveness
  • Low 1.2V operating voltage reduces power consumption, helping to extend laptop battery life
  • Non-ECC and unbuffered design ensures broad compatibility with most SO-DIMM equipped laptops and PCs
  • Single rank x8-based chips deliver consistent reliability and performance stability
  • CAS latency of 19 balances speed and stability for everyday computing tasks
  • Backed by Micron’s trusted quality and a limited lifetime warranty for long-term peace of mind
Key specs
  • Memory type: DDR4 SO-DIMM
  • Capacity: 8GB (2 x 4GB modules)
  • Speed: 2666 MHz
  • Voltage: 1.2V
  • CAS latency: 19
  • Module rank: Single rank x8
  • Form factor: SO-DIMM
Compatibility and usage

This memory kit fits laptops and small form factor PCs that support DDR4 SO-DIMM slots, making it a practical choice for users looking to upgrade older systems or improve performance in everyday computing environments. It works well for office tasks, web browsing, and running multiple applications simultaneously without lag.

Its low power consumption and reliable design make it suitable for mobile users who need longer battery life without compromising on speed. Whether you are refreshing an aging laptop or building a compact PC, this kit offers a balanced combination of performance and efficiency.


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4.7 out of 5
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104 ratings | 43 reviews
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