Why Doesn't Windows® Recognize All of My Memory?
The maximum amount of memory that your system can use is limited in two ways. There is a maximum amount of memory that your computer motherboard can accept, there is also a maximum amount of memory that your operating system (OS) can accept.
Upgrading a Server or Workstation? Read This First!
If you have never purchased or installed memory for a server or workstation, there are additional considerations above and beyond that of normal desktop and laptop computers to keep in mind.
Why Does Crucial Recommend a Higher Maximum Ram Limit for My System Than the System Manufacturer?
At Crucial®, we ensure that the higher amount of RAM is rigorously tested and is backed by our compatibility guarantee.
Why Does Crucial Recommend a Higher Maximum RAM Limit for My Apple® Mac® Computer?
At Crucial, we ensure that the higher amount of RAM is rigorously tested and is backed by our compatibility guarantee.
Three Ways to Solve Ballistix M.O.D. Utility Issues
While rare, error messages encountered while using the Ballistix® M.O.D. Utility are usually fixed with one of a few different methods: Uninstall and reinstall, update your drivers, and update your BIOS.
If My Crucial Upgrade Is Not Listed on a Manufacturer's QVL, Is It Compatible?
A Qualified Vendor List (QVL) is a list supplied by a system or motherboard manufacturer of parts tested and confirmed by that manufacturer to work in their hardware.
Neither New Nor Old Memory Working after an Attempted Install
If your old memory is no longer functioning a likely cause is one of the following: Improper installation, power, loose internal cables, BIOS conflict
What Is The Difference Between DDR4, DDR3, DDR2, DDR, and SDRAM?
The most significant difference between DDR and SDR is that DDR reads data on both the rising and falling edges of the clock signal, enabling a DDR memory module to transfer data twice as fast as an SDR memory module.
How Do I Know What to Order to Upgrade My Mac® System?
If you aren't sure what Mac computer model you have or what kind of memory it takes, this profile will tell you what kind of memory and how much memory is in your system currently.
How Can I Check How Much RAM is Installed in My Mac® Computer?
Using our Crucial® Advisor™ tool or System Scanner tool is a great way to find out how much RAM memory is installed in your Mac computer as well as displaying your upgrade options.