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Item #:
41950416
Crucial Technology CT25664AA800 2 GB 240-pin DIMM DDR2 PC2-6400 Memory Module
87% of respondents would recommend this to a friend
Item #:
41950416
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What Stands Out
High-Performance Memory
The Crucial 2GB DDR2 memory module enhances system performance, offering faster data processing speeds, crucial for multitasking and resource-intensive applications.
Easy Upgrade Compatibility
Designed with a 240-pin DIMM interface, this memory module is easily compatible with a wide range of motherboards, making upgrades simple and efficient.
Reliable Brand Quality
Crucial Technology is known for its high-quality components. This module ensures durability and longevity, providing outstanding value for users looking to enhance their system's memory capacity.
Product Details
| RAM Memory Technology | DDR2 800 |
| Memory Speed | 800 MHz |
| Compatible Devices | Desktop |
| Additional Features | Lightweight |
| Voltage | 1.8 volts |
| Column Address Strobe Latency | cl4 |
| Form Factor | DIMM |
| Data Transfer Rate | 800 MHz |
| Number of Pins | 240 |
| Memory Form Factor | DIMM |
| Memory Generation | DDR2 |
| RAM Size | 2 GB |
| Brand | Micron |
| Model Name | 2GB 240-PIN DDR2 PC2-6400 MEMORY MODULE |
| UPC | 649528739100 |
| Number of Items | 1 |
| Manufacturer | CRUCIAL TECHNOLOGY |
| Number of Packs | 1 |
| Unit Count | 1 Count |
| Item Part Number | CT25664AA800 |
| Item Weight | 13.6 g |
| Model Number | CT25664AA800 |
| Mfr Part Number | CT25664AA800 |
| Computer Memory Size | 2 GB |
Who Should Buy?
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Basic Users
Ideal for users performing everyday tasks like web browsing, email, and office applications without heavy resource requirements.
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Older Systems
Compatible with older systems that require DDR2 memory, helping to extend their usability without major upgrades.
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Budget Builders
Suitable for budget-conscious users building low-cost PCs needing reliable memory for basic functionality.
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Gaming Enthusiasts
Not suitable for modern gaming needs; insufficient capacity and speed for high-performance gaming systems.
Product Description
Crucial Technology CT25664AA800 2 GB 240-pin DIMM DDR2 PC2-6400 Memory Module
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the main specifications of the Crucial Technology CT25664AA800 memory module?
Answer: The Crucial Technology CT25664AA800 is a 2 GB DDR2 DIMM memory module with a 240-pin form factor, operating at a speed of PC2-6400, which translates to a data transfer rate of 800 MT/s. This memory is designed for maximum compatibility with various motherboards that support DDR2 technology. When upgrading your system, consider the requirement for at least 2 GB for decent multitasking performance, especially for running older applications or operating systems without taxing the CPU. -
Question:
Is the Crucial Technology CT25664AA800 compatible with my motherboard?
Answer: Compatibility largely depends on your motherboard's supported memory specifications. The Crucial Technology CT25664AA800 memory module is designed for systems that accept DDR2 memory with a 240-pin connector and a speed rating of PC2-6400. To confirm compatibility, check your motherboard’s manual or visit the manufacturer's website, as using the right memory type can lead to improved system stability and performance. -
Question:
What type of devices typically use DDR2 memory like the Crucial CT25664AA800?
Answer: DDR2 memory modules, including the Crucial CT25664AA800, are typically found in older desktops and laptops designed before the widespread adoption of DDR3 and DDR4. Many legacy applications and systems still run best with this type of memory, making it a great option for upgrading older machines, particularly for basic tasks such as web browsing, document editing, and running standard software suites. -
Question:
How much of a performance boost can I expect from upgrading to the Crucial CT25664AA800?
Answer: Upgrading to the Crucial CT25664AA800 can provide a noticeable performance improvement, especially if your system currently has less RAM. For typical multitasking scenarios, having 2 GB of RAM is sufficient for running essential applications simultaneously without lag or interruptions. This upgrade can be particularly beneficial in enhancing the performance of older operating systems and applications that were designed with these specifications in mind. -
Question:
Can I mix different brands or sizes of RAM with the Crucial CT25664AA800?
Answer: While it is technically possible to mix different brands or sizes of RAM, it is recommended to use matched pairs for optimal performance. Mixing different capacities can lead to instability or decreased performance, as the system may default to the speed of the slowest module. If possible, try to stick to identical specifications, adhering closely to size, speed, and timings to ensure a smoother user experience, especially for demanding applications. -
Question:
What is the difference between DDR2 and DDR3 memory?
Answer: DDR2 memory, like the Crucial CT25664AA800, has slower speed ratings and higher power consumption compared to DDR3 memory. DDR3 modules are not compatible with DDR2 sockets due to differences in pin configuration and electrical requirements. Upgrading from DDR2 to DDR3 would involve replacing both the memory and the motherboard. For users who operate older systems, sticking to DDR2 is often necessary for compatibility and performance. -
Question:
Will the Crucial CT25664AA800 increase my gaming performance?
Answer: For gaming on older systems, adding the Crucial CT25664AA800 to your build can help with performance, but it may be limited compared to modern gaming standards. Many contemporary games require significant RAM and processing power which may exceed what a DDR2 system can support. However, for less demanding games made for older hardware, upgrading to 2 GB of DDR2 RAM can provide a better experience by reducing stuttering and allowing for smoother gameplay on older titles. -
Question:
Can I use the Crucial CT25664AA800 in a laptop?
Answer: The Crucial CT25664AA800 is primarily designed for desktop computers due to its 240-pin DIMM form factor. Laptops generally use SO-DIMM memory, which has a different pin configuration. Therefore, this specific model cannot be used in a laptop unless the device specifically supports DIMM modules, which is quite rare. Always verify your device’s specifications before purchasing memory to avoid compatibility issues. -
Question:
What benefits does Crucial Technology offer over other memory brands?
Answer: Crucial Technology is recognized for its reliable performance and strong commitment to quality. One of the notable benefits is their extensive compatibility testing, ensuring that their memory modules run smoothly across various systems. Users often find that Crucial products are known for their durability and stable performance under load, making them an ideal choice for both everyday computing and specialized tasks. Whether for upgrades or replacements, many users trust Crucial for their memory needs. -
Question:
Where can I buy the Crucial Technology CT25664AA800 2 GB 240-pin DIMM DDR2 PC2-6400 Memory Module?
Answer: You can buy the Crucial Technology CT25664AA800 2 GB 240-pin DIMM DDR2 PC2-6400 Memory Module at Ubuy. They offer a reliable shopping experience with various options for purchasing electronics, ensuring you get the correct compatibility for your system while catering to your overall shopping needs.
Micron Memory CT25664AA800 Editorial Review
Crucial Technology CT25664AA800 2 GB 240-pin DIMM DDR2 PC2-6400 Memory Module is designed to enhance the performance of your desktop with its DDR2 800 memory technology. Users have noted significant improvements in their older systems, making them more functional. The memory module is recognized as lightweight and simple to install, with one user highlighting that it can be set up in just a minute, making it accessible even for those unfamiliar with computer upgrades. Despite some experiences suggesting that the module may not always arrive as a Crucial branded chip, the consistent performance of the memory has led to user satisfaction.
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Pros
- Easy installation in just a minute
- Improves performance in older PCs
- Lightweight design for easy handling
- Compatible with many desktop systems
- Offers reliable 800 MHz memory speed
Cons
- Occasional delivery of generic branded chips instead of Crucial
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Features & Benefits
- Easily upgrade your system for faster performance.
- Affordable solution for improving system efficiency.
- Boost productivity for everyday tasks and critical applications.
- Backed by over 12 years of industry leadership in DRAM.
- Guaranteed system compatibility with a limited lifetime warranty.
- Supported by expert service and manufacturing resources.
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