Whats the difference between UL AND CL MEMORY Tags: Compatibility Memory Motherboards Last response: October 16, 2010 1:47 PM in Motherboards Share DonQuixoteDeLaMancha October 15, 2010 12:10:42 PM Hello, I found out from your forum what the postfix 'CL2.5' means when referring to memory but can anyone tell me what 'UL' and are thy compatible? More about : whats difference memory | E-mail me updates | Report abuse Register or log in to remove DonQuixoteDeLaMancha October 16, 2010 1:47:07 PM Update After doing some research I think I have the answer thanks. I believe the 'U' stands for untested and is seen on budget memory boards which is probably why mine doesn't work! | Report abuse Ask the community Publish Tom's Hardware>Forum>Motherboards>Whats the difference between UL AND CL MEMORY> Related ressources: ForumCorsair TWINX1024 8000 UL and Intel EE 840 Forum$900 - $1000 New Gaming PC ForumPlease help me decide between these two pre-built desktops ForumThe best power supply for 80-140 Forum9x3TB hardrive storage unit ForumFirst rig (+-1500) need experienced people!!! Forumcomplete specs of new build - any bottlenecks? ForumA Look At AMDs Socket AM2 Platform ForumLaptop time! ForumDIY HD HTPC Extravaganza ForumNew Gaming PC Builds (intel vs amd)~ $1000-1300 Forum3 Choices ForumG SKILL DDR3 2*2GB 1600MHz OR KINGSTON DDR3 4*2GB 1333MHz VALUERAM ForumCan't decide on a Motherboard ForumJust finished with my new build.....New builders READ ForumPossible for $500 system Forumhelp!!!! need your brains! ForumBuilding new gaming PC need advice/feedback Forum"Reboot and select Proper boot device" ForumWhat does brand have to do with a pc 800-45 memory chip More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !