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PC Hardware forum

General discussion

adding a second stick of ram

by bootlegger75 / November 29, 2009 6:37 AM PST

hello...i have one stick of 512 in my comp right now and i want to put a second one in...there is another slot for it..the one i have in right now is a PC3200U-30330 512MB DDR 400MHz CL3 i have been in posession of a couple other 512MB sticks but are PC2-4200U-444....can i just add one, or put the 2 i got into my comp? if i put them in would it mess my comp up? XD

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Ok...let's start with what PC you have ...mfg name, series
by VAPCMD / November 29, 2009 7:06 AM PST

and model number.

Based on the limited info provided it sounds like you're talking about DDR and DDR2...and they do (usually) not work in the same system.


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Ram compatibility
by Phil Crase / November 30, 2009 1:19 AM PST

The easiest way to figure out what you can safeley run is to go to CRUCIAL.COM and do the free memory test, that will tell the tale, safest thing to do if you are not sure. Good luck!

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