Having problems with your Dell OPTIPLEX GX240 P4 1.7GHz 256MB 20GB DESKTOP (PCP417DELL) ?

Can PC100 be substituted for PC133?

\015 I have an old GX240 and I'd like to upgrade its ram, but the PC133, along with being very expensive, is hard to find. I don't want to invest any more than I have to on this machine. I've polled my friends on this, and they're split on whether or not I can do this. Any help on this is much appreciated. Thanks-\015

Answers :

Every configurator i have looked at says it will accept PC133 (up to 2 512MB sticks)

see for example:

No they are not interchangeable normally. If by some chance your motherboard supports both then if you mix them the faster chip will run at the speed of the slower chip. You might be able to find PC 133 at kingston.com, or crucial.com. They will tell you exactly what RAM is compatible for your system if you use their memory finder tool. Hope this helps & please rate this solution fixya. Thanks.
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