8GB STICK For IBM-Lenovo ThinkCentre M Series M72e Tiny M73z All-In-One M92 Tiny M92p Tiny M92z All-In-One M93p Tiny M93z All-In-One. SO-DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory. Genuine A-Tech Brand. 8GB STICK SO-DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For IBM-Lenovo ThinkCentre M Series. (See Compatibility List Below)