Kingston Apple 4GB Kit (2 X 2GB Modules) 1066MHz DDR3 SODimm 204-pin iMac
and Macbook Memory - KTA-MB1066K2/4GR
$57.95 With free shipping at Buy.com: http://www.buy.com/prod/kingston-apple-4gb-kit-2-x-2gb-modules-1066mhz-ddr3-sodimm-204-pin/q/loc/101/214521374.html
Product Type RAM Module
Brand Name Kingston
Manufacturer Part Number KTA-MB1066K2/4GR
Product Name 4GB DDR3 SDRAM Memory Module
Manufacturer Website Address www.kingston.com: http://www.kingston.com
Manufacturer Kingston Technology Company
Form Factor 204-pin SoDIMM
Number of Modules 2 x 2 GB
Memory Technology DDR3 SDRAM
Memory Speed 1066 MHz
Memory Standard DDR3-1066/PC3-8500
Memory Size 4 GB
Standard Warranty Lifetime Limited