Hello Guys! I'm concerned about a question i was recently asked and couldn't find an answer, so here it is: An HP Laptop needs to be upgraded from 512MB Ram to 2x1GB RAM, but the Laptop specs say it will only take PC2-5300 and the Laptop owner just purchased a PC2-5400 from OCZ and he is concerned about if it will be compatible or not with his Laptop. this one: http://shop1.outpost.com/product/53...UnhBzdT+w**.node2?site=sr:SEARCH:MAIN_RSLT_PG vs http://www.newegg.com/Product/Product.aspx?Item=N82E16820145157 I did some research but I was unable to find out any useful information, could you help us understand where is the difference between this spec and if it will be compatible or not, I'm confused, pins are the same (200) speed the same (667Mhz) CL 5-5-5-15. HP tech support were trying to sell their owns for 99 buck a GB saying its only 5300 compatible. All input highly appreciate it, Thanks!