memory for old dell pc

[jimmy mumu]

right, i've got an old dell dimension xps d333 pc with 64 meg pc66 sdram in, i want to upgrade the ram could i just stick any pc66 ram in, i know they have to be in pairs but thats all i know, cheerz

[PhilEnfield]

This should do the trick :

http://www.crucial.com/uk/store/listparts.asp?Mfr%2BProductline=Dell%2BDimension+X PS+Series&mfr=Dell&tabid=CR&model=Dimension+XPS+D+Series&submit=Go