2GB KIT (2 x 1GB) Gigabyte Motherboard 8I845GVM-RZ 8I845GVM-RZAC 8I845GVM-RZC 8S651MP-RZC 8S651M-RZ 8S651M-RZC 8S661FXMP-RZ 8S661FXM-RZ DIMM DDR NON-ECC PC2100 266MHz RAM Memory Genuine A-Tech Brand 2GB KIT (2 x 1GB) DIMM DDR NON-ECC PC2100 266MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Gigabyte Motherboard. (See Compatibility List Below)