A-Tech 2GB KIT 2 x 1GB HP-Compaq Pavilion dv8280EA dv8289XX dv8301NR dv8305CA dv8305US dv8306EA dv8307EA dv8308EA dv8309US dv8310CA dv8310TX dv8310US SO-DIMM DDR NON-ECC PC2700 333MHz RAM Memory 2GB KIT (2 x 1GB) SO-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 Pavilion Series. (See Compatibility List Below)