1GB STICK For HP-Compaq Pavilion Series dv5022EA dv5023EA dv5024EA dv5026EA dv5027EA dv5029US dv5030US dv5031EA dv5033EA (DDR) dv5034EA dv5035EA dv5035NR dv5036EA dv5037EA dv5040US dv5041EA dv5046EA dv5047EA dv5050EA (DDR) dv5051EA dv5052EA dv5053EA dv5054EA dv5055EA dv5056EA (DDR) dv5057EA dv5058EA dv5059EA dv5061EA dv5062EA dv5063EA dv5074EA dv5075EA dv5077EA dv5078EA dv5084EA dv5088XX. SO-DIMM DDR NON-ECC PC2700 333MHz RAM Memory. Genuine A-Tech Brand. 1GB STICK 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)