3(2+1)GB DDR2 667MHz PC2-5300 200Pin SODIMM Memory for MacBook(White/Black).
Memory on this page is for Apple MacBook Pro Models introduced in 2011 including:
MacBook1,1 (All) - Install/use up to 2.0GB total memory
MacBook2,1 (All) - Install up to 4.0GB total memory, uses up to 3.0GB. (There is a performance benefit due to 128 Bit addressing when 4GB( 2GB x 2 Matched set) is installed.)
MacBook3,1 (All) - Install/use up to 6.0GB total memory
MacBook4,1 (All) - Install/use up to 6.0GB total memory
MacBook5,2 **2.0GHz Model Only** Install/uses up to 6.0GB total memory
One of the major brands like Crucial, Micron, Samsung, Kingston, Corsair, etc.
Note: Depending on availability, the shipped item's condition could be New, Used, Refurbished, Pulled or OEM.