Crucial Upgrade Advisor
Find the right memory and storage upgrade for your computer:
Fast memory and storage empower creatives to deliver
Let Crucial help you find a 100% guaranteed compatible upgrade.
Take the guesswork out of upgrading your Mac
If you’re a first-time installer, there’s no need to fear
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Your computer will work with several of our Crucial SATA drives.
System Note: Although the memory can be installed one module at a time, the best performance comes from using matched pairs of modules.
At Crucial®, we ensure that the higher amount of RAM is rigorously tested and is backed by our compatibility guarantee.
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.
Learn how to quickly and easily install a Crucial® SSD (solid state drive) in a desktop, laptop, notebook, or Mac system.
An Overview of Crucial Storage Executive
In a nutshell, Trim is a feature that helps increase the efficiency of your SSD by preparing data blocks for reuse.
Presario CQ40-300 CTO
We do not have compatible memory upgrades for your system at this time.
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