Crucial

Crucial CT2KIT25664AC800 4GB DDR2 800MHz SODIMM Kit

4.5 (904 reviews)

Enhance Your Notebook's PerformanceThe Crucial 4GB Kit (2GBx2) DDR2 800MHz SODIMM provides a cost-effective way to upgrade your notebook's memory. Designed for easy installation, this kit improves system responsiveness and multitasking capabilities. Memory Type: DDR2 Capacity: 4GB (2GBx2) Speed:...

$59.99*
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*Price sourced from Amazon.com. Last updated:Jul 21, 2026.Price and availability are subject to change.

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Overview

Enhance Your Notebook's Performance

The Crucial 4GB Kit (2GBx2) DDR2 800MHz SODIMM provides a cost-effective way to upgrade your notebook's memory. Designed for easy installation, this kit improves system responsiveness and multitasking capabilities.

  • Memory Type: DDR2
  • Capacity: 4GB (2GBx2)
  • Speed: 800MHz (PC2-6400)
  • Form Factor: SODIMM
  • Pin Count: 200-Pin

Key Features

CT2KIT25664AC80E

Specifications

Brand
Crucial
Part Number
CT2KIT25664AC800
Memory Type
DDR2
Memory Speed
800MHz
Form Factor
SODIMM
Capacity
4GB
Additional Part Number
CT2KIT25664AC80E

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Frequently Asked Questions

This Crucial 4GB DDR2 800MHz SODIMM kit is designed for systems that specifically support DDR2 SODIMM memory, typically found in older laptops and small form factor PCs.
No, DDR2 memory is not physically or electrically compatible with motherboards designed for DDR3, DDR4, or DDR5 RAM. You must match the RAM type to your motherboard's specifications.
The product title specifies "4GB DDR2 800MHz SODIMM Kit," which typically indicates that it is a set of two modules that combine to a total of 4GB, although the exact configuration (e.g., 2x2GB) is not explicitly detailed in the features.
SODIMM stands for Small Outline Dual In-line Memory Module, which is a smaller form factor of RAM commonly used in laptops, notebooks, and other space-constrained devices, as opposed to the larger DIMM modules used in desktop computers.
For DDR2 memory, 800MHz represents a relatively high operating speed, which can provide better performance for applications and system operations in compatible older systems compared to slower DDR2 options.