[dabombshop]

I currently have a sony vaio VGN-FS 990 with 2 512MB sticks of memory for 1 GB total. I would like to upgrade to 2 GB, but I am not exactly sure what memory I am supposed to get.

When I look on the sony website, this is what it says for my memory:
Memory
Type: DDR2
Installed: 1GB (PC2-4200)
Maximum: 2GB
Speed: 533MHz

I figured that if I wanted to upgrade to 2GB, I would need a 2x1GB PC2-4200 memory set.

However, I ran the crucial memory test and got this information:
What I currently have installed:
DDR PC2-5200
512MB

Each memory slot can hold DDR2 PC2-5300 with a maximum of 1GB per slot.*

Does this mean that I'm supposed to get PC2-5300 memory even though the sony website says that my memory speed is 533MHz?

Thanks for your help.

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The memory if to fast will only run as fast as the system will allow it. I would go with Crucials suggestion.
2 one gig memory sticks pc2-5300

[rshaffer61]

The memory if to fast will only run as fast as the system will allow it. I would go with Crucials suggestion.
2 one gig memory sticks pc2-5300