1GB STICK For HP-Compaq HP Presario Desktop SR1120NX SR1123WM SR1124NX SR1126FR SR1126NX SR1128AN SR1128FR SR1128HK SR1129FR SR1129UK SR1130AP SR1130FR SR1130IL SR1130ND SR1130NL SR1130NX SR1130SF SR1130UK SR1132CU SR1132CU-B SR1135AP SR1135CL SR1135CL-B SR1137FR SR1138FR SR1139ES SR1140ES SR1140ND SR1140SF SR1142NX SR1148AN SR1148HK SR1149IT SR1150NL SR1155AP SR1156FR SR1159ES SR1159IT. DIMM DDR NON-ECC PC2700 333MHz RAM Memory. Genuine A-Tech Brand. 1GB STICK DIMM DDR NON-ECC PC2700 333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For HP-Compaq HP Presario Desktop. (See Compatibility List Below)