1GB ( 1 x 1GB Module ) DDR2 667 MHz ( PC2-5300 ) DDR2 SO-DIMM ( 200-Pin ) Non-ECC Unbuffered Apple Mac Certified Memory RAM Upgrade Apple Order Numbers: MA876LL / MA877LL / MA199LL / MA200LL / MA406LL/A / MA456LL / MA589LL / MA590LL / MA710LL / MA090LL / MA091LL / MA463LL/A / MA464LL/A / MA600LL / MA601LL / MA092LL/A / MA609LL / MA610LL / MA611LL/A / MA895LL / MA896LL / MA897LL/A / MB133LL/A / MB134LL/A / MB166LL/A / MA205LL/A / MA206LL/A / MA607LL Apple Model IDs: iMac4,1 / iMac4,2 / iMac5,1 / iMac5,2 / iMac6,1 / iMac7,1 / MacBook1,1 / MacBook2,1 / MacBook3,1 / MacBook4,1 / MacBook5,2 / MacBookPro1,1 / MacBookPro1,2 / MacBookPro2,1 / MacBookPro2,2 / MacBookPro3,1 / MacBookPro4,1 / Macmini1,1 / Macmini2,1 Apple Model Numbers/EMC: A1150 (2101) / A1151 (2102) / A1211 (2120) / A1212 / A1226 (2136) / A1229 (2137) / A1260 (2198) / A1261 (2199) / A1173 (2104) / A1174 (2105) / A1195 (2110) / A1195 (2124) / A1200 (2111) / A1207 (2118) / A1208 (2114) / A1224