2GB KIT (2 x 1GB) For HP-Compaq Pavilion Series dv2145TX dv2146TX dv2147EA dv2147EU dv2147TX dv2148TX dv2149EA dv2149TX dv2150EA dv2150TX dv2151EA dv2151TX dv2152EA dv2152TX dv2154TX dv2155TX dv2156TX dv2157TX dv2158TX dv2159TX dv2160BR dv2160TX dv2161TX dv2164EU dv2166EU dv2171CA dv2171CL dv2171EA dv2172EA dv2173EA dv2173TX dv2174CL dv2174EA dv2175EA dv2180EU dv2184EA dv2185EA dv2188EA. SO-DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory. Genuine A-Tech Brand. 2GB KIT (2 x 1GB) SO-DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For HP-Compaq Pavilion Series. (See Compatibility List Below)