Cristy, Both refer to the speed, so their usage is somewhat confusing. 400 (MHz) is the speed of the bus they run upon, while 3200 is the effective speed. To gain much more insight into all this, check out the link below. http://en.wikipedia.org/wiki/DDR_SDRAM Peace, Gman "The only dumb questions are the ones we fail to ask" ----- Original Message ----- From: "cristy" <poppy0206@xxxxxxxxxxxxx> To: <pctechtalk@xxxxxxxxxxxxx> Sent: Wednesday, September 10, 2008 6:25 PM Subject: -=PCTechTalk=- Re: need memory question > ok, thanks Roger, > > I think now I recall you sending something on that before. I will try it > out. I wondered if the "400" number automatically went with PC3200, as I > am > not really sure what the 400 is. I think the 3200 is the speed. > > Christine --------------------------------------------------------------- Please remember to trim your replies (including this sentence and everything below it) and adjust the subject line as necessary. To unsubscribe or change your email settings: //www.freelists.org/webpage/pctechtalk To access our Archives: http://groups.yahoo.com/group/PCTechTalk/messages/ //www.freelists.org/archives/pctechtalk/ To contact only the PCTT Mod Squad, write to: pctechtalk-moderators@xxxxxxxxxxxxx To join the PCTableTalk off-topic group, send a blank email to: pctabletalk+subscribe@xxxxxxxxxxxxxxxx ---------------------------------------------------------------