The 133 will work fine as it is backwards compatable to the PC100 speed. Just do not mix them (PC100 and PC133). Seems to work for some but my experience was that it was not as stable. YMMV. jj On 15-May-05, at 9:51 AM, cube-request at listserver.themacintoshguy.com wrote: > SDRAM 100 or 133 ??? > To: cube at listserver.themacintoshguy.com > Message-ID: <e7d2fd0bcc3b914f5d59a146e1d8c2d9 at wanadoo.fr> > Content-Type: text/plain; charset=US-ASCII; format=flowed > > Hello everyone, > > On my cube I actually have got 3 SDRAM 128 PC 100. > I found 3 SDRAM 512 PC 133, > is there somebody to tell me > if the PC 133 works well as the seller told me, > or if it's better to > install the PC 100 ?