Can we use 667 mhz ram in place of 333mhz Tags: Memory Laptops RAM Last response: September 30, 2009 5:44 AM in Memory Share ajitelsy September 30, 2009 3:23:53 AM can i use 667mhz in place of 333mhz on my laptop More about : 667 mhz ram place 333mhz daship September 30, 2009 3:38:44 AM no Look up you model @ http://www.crucial.com/ Mongox a b } Memory September 30, 2009 5:44:40 AM The assumption is that the 333MHz RAM you have is DDR type and the 667 you're considering is DDR2. Both need to be SO-DIMM also. DDR2 is not compatible with DDR. You need to locate either 333 or 400MHz DDR SO-DIMM if you have 333 DDR now. Can't find your answer ? Ask ! Publish Related resources: ForumCan i use 667 in 333mhz Forum333mhz instead of 667mhz ? ForumDDR2- 667 and DDR3-1333 bandwidths with 333MHz FSB ForumDDR2 800 mhz running at 667mhz ? ForumDDR2 show 333mhz instead 533 or 667 MHZ Forum2x2gb 333MHz RAM ...upgrade to 800 MHz ? ForumWill 2 GB RAM 333MHz work with 2 GB RAM 800 MHz ? Forum667MHz and 800 MHz Forumpentium m-740 dothan overclock with 333mhz ram Forum333mhz ram with a Core 2 Duo? ForumPC2-5300 ( 333MHz ) & PC2-6400 (400 Mhz ) can be combined? ForumIs there big d/f in 667 n 800 / mhz RAM experience ForumWhich ram to buy? 533 or 667 ? ForumI want to upgrade my 8gb ram 1333 @ 667 mhz to 16gb ram 1333 @ 667 mhz ForumDDRII 667 RAM Problems ForumQuestion about E6600, P5B Deluxe with 4x512 667 Ram ForumRun 400 FSB CPU @ 333Mhz FSB ForumE4300 800 mhz - what RAM to use ? ForumIntel i5 3550p & AS Rock Z77 PRO 3 More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !