4GB KIT (2 x 2GB) For Gigabyte Motherboard GA-EP45-UD3LR GA-EP45-UD3P GA-EP45-UD3R GA-EQ45M-S2 GA-G1975X GA-G1975X-C. DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory. Genuine A-Tech Brand. 4GB KIT (2 x 2GB) DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Gigabyte Motherboard. (See Compatibility List Below)