I'm looking to add some RAM to my laptop as it only came with 256Mb (don't laugh), I know it's DDR2 and 533Mhz but on looking at memory modules in adverts I notice another number like PC3200, PC4200 and the like. How important is this? I've run Belarc, Sandra and Everest on my PC and none of them tell me this information.
Sorry I didn't reply earlier, had to go out. The E-System is the Dixons/PC World own brand so don't know who manufactures them. However I had a look at the Everest report which gave me a Samsung part no. for the module, I Googled this and it came back with- RAM Type DDR2-SDRAM, Samsung M4 70T3354CZ3-CD5 Clock 533 MHz Code DDR2-533, PC2-4300
So presumably the PC2-4200 I have seen is the one to get?