4GB STICK For Biostar Motherboard A55MG+ A55MGC A55MH A55ML+ A55MLC A55MLC2 A55MLV A740G3L A75MG A75MH A770E3 A770L3 A780L3 A780L3G. DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. 4GB STICK DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Biostar Motherboard. (See Compatibility List Below)