RAM Computer Memory Upgrade for Dell Optiplex 755 Mini Tower

Here are guaranteed compatible memory upgrades for your Dell Optiplex 755 Mini Tower.

Upgrading your Dell Optiplex RAM will allow you to run your system more efficiently and increase your productivity.

Adding memory is the quickest and easiest way to improve the performance of your system and can be done in just a few minutes. Installing the highest capacity memory module in each memory socket will give you the greatest performance improvement.

Our technical support team is ready to help if you have any questions or problems.

4GB DDR2-800 (PC2-6400)

4GB DDR2-800 (PC2-6400) Memory

Unit Price: $82.50

Part No: 9572164


2GB DDR2-800 (PC2-6400) 240-pin Memory

4GB DDR2-800 (PC2-6400) Memory Kit

There are 2 pieces of 2GB RAM in this kit.

Unit Price: $23.00

Part No: 4971124


2GB DDR2-667 (PC2-5300)

4GB DDR2-667 (PC2-5300) Memory Kit

There are 2 pieces of 2GB RAM in this kit.

Unit Price: $17.50

Part No: 4971121


2GB DDR2-800 (PC2-6400) 240-pin Memory

2GB DDR2-800 (PC2-6400) Memory

Unit Price: $11.50

Part No: 4971123


2GB DDR2-667 (PC2-5300)

2GB DDR2-667 (PC2-5300) Memory

Unit Price: $8.75

Part No: 4971120


1GB DDR2-667 (PC2-5300)

1GB DDR2-667 (PC2-5300) Memory

Unit Price: $7.00

Part No: 4971119


1GB DDR2-800 (PC2-6400) 240-pin Memory

1GB DDR2-800 (PC2-6400) Memory

Unit Price: $8.25

Part No: 4971122


512MB DDR2-800 (PC2-6400)

512MB DDR2-800 Memory

Unit Price: $15.00

Part No: 4971128


512MB DDR2-667 (PC2-5300)

512MB DDR2-667 (PC2-5300) Memory

Unit Price: $1.99

Part No: 4971118


256MB DDR2-667 (PC2-5300)

256MB DDR2-667 (PC2-5300) Memory

Unit Price: $12.00

Part No: 4971125


256MB DDR2-533 (PC2-4200)

256MB DDR2-533 (PC2-4200) Memory

Unit Price: $6.00

Part No: 4971126


256MB DDR2-400 (PC2-3200)

256MB DDR2-400 (PC2-3200) Memory

Unit Price: $7.50

Part No: 4971127

System Information

  • Maximum Memory: 8192
  • Module Type: PC2-5300
  • Standard Memory: 512
  • Total Memory Slots: 4
  • Total Memory Slots: 2
  • Standard Memory: 1024
  • System Type: Desktop/Server
  • Module Type: PC2-6400
  • Form Factor: DIMM
  • ECC: FALSE
  • Registered: None

Why buy from ETC?

  • Lifetime warranty on all ETC Memory Upgrades
  • Free Shipping on all orders over $50 (*see details)
  • Unbeatable customer support
  • Toll-Free Technical Support
  • Selling Memory Since 1986

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