512MB S.O. DIMM 200PIN DDR2 PC2-5300 667MHZ,lifetime warranty,major brand,guaranteed compatible with all models listed or your money back! MacBook Pro 15.4-inch MA090LL 1.67ghz, MacBook Pro 15.4-inch MA091LL;MA463LL 1.83ghz, MacBook Pro 15.4-inch MA464LL;MA600LL;MA601LL 2.0ghz/2.16ghz, MacBook Pro 15.4-inch MA609LL;MA610LL 2.16ghz/2.33ghz, MacBook Pro 15.4-inch MA895LL;MA896LL 2.2ghz/2.4ghz, MacBook Pro 17-inch MA092LL 2.16ghz, MacBook Pro 17-inch MA611LL/A 2.33ghz, MacBook Pro 17-inch MA897LL/A 2.4ghz.If you need memory for any other systems call 877-324-5302($3.00 PRIORITY SHIPPING ANYWHERE IN THE U.S.A.)