Crucial

Crucial 8541590255 4GB DDR2 RAM Upgrade Kit Dell OptiPlex 745

4.0 (12 reviews)

Upgrade Your System with Crucial 4GB (2x2GB) DDR2 Memory Kit Enhance the performance of your Dell OptiPlex 745 Series desktop with this 4GB (2GBx2) DDR2 memory kit from Crucial. Designed for reliability and compatibility, this memory upgrade helps prevent system failures and ensures smooth operat...

$59.99*
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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

Upgrade Your System with Crucial 4GB (2x2GB) DDR2 Memory Kit

Enhance the performance of your Dell OptiPlex 745 Series desktop with this 4GB (2GBx2) DDR2 memory kit from Crucial. Designed for reliability and compatibility, this memory upgrade helps prevent system failures and ensures smooth operation. Trust Crucial for high-quality memory modules rigorously tested to meet strict standards.

Specifications:

  • Capacity: 4GB Kit (2GB x 2)
  • Memory Type: DDR2
  • Speed: PC2-6400
  • Error Checking: Non-ECC
  • Compatibility: Dell OptiPlex 745 Series (Desktop Mini-Tower and Small Form Factor)

Key Features

240-pin DIMM

DDR2-800

Desktop/PC

Specifications

Capacity
4GB
Memory Type
DDR2
Speed
DDR2-800
Pin Count
240-pin DIMM
Form Factor
Desktop/PC
Compatibility
Dell OptiPlex 745

Pros & Cons

👍 Pros

  • Specifically designed as an upgrade kit for the Dell OptiPlex 745, ensuring compatibility.
  • Provides 4GB of DDR2 RAM, which can significantly enhance the performance of older desktop systems.
  • Utilizes the DDR2-800 standard, offering a good speed for compatible systems of its generation.
  • Comes in a 240-pin DIMM form factor, making it standard for desktop/PC motherboards that support DDR2.
  • Manufactured by Crucial, a brand generally recognized for reliable memory products.

👎 Cons

  • DDR2 technology is older, so this RAM is only compatible with specific, older desktop/PC systems like the Dell OptiPlex 745.
  • The 4GB capacity, while an upgrade for older systems, is relatively small compared to modern RAM requirements.
  • DDR2 memory operates at lower speeds and offers less bandwidth than newer DDR3, DDR4, or DDR5 technologies.
  • Limited reusability in newer computer systems due to changes in RAM technology and motherboard slots.
  • The 240-pin DIMM standard is specific to desktops and will not fit in laptops or other devices.

Frequently Asked Questions

This Crucial 4GB DDR2 RAM upgrade kit is specifically designed for the Dell OptiPlex 745.
This kit provides 4GB of DDR2 RAM, which is an upgrade for compatible desktop PC systems.
This is DDR2-800 RAM, operating at a speed suitable for older generation desktop computers.
This RAM comes in a 240-pin DIMM form factor, which is standard for desktop/PC motherboards supporting DDR2.
No, this 240-pin DIMM RAM is designed for desktop/PC use and is not compatible with laptops, which typically use SODIMM memory.