1GB iMac Memory for Early 2006 to Mid 2007 Models 4,1 4,2 5,1 5,2 6,1 and 7,1

1GB iMac memory upgrade for Apple Model IDs 4,1 (Early 2006), 4,2 (Mid 2006), 5,1 (Late 2006), 5,2 (Late 2006), 6,1 (Late 2006), and 7,1 (Mid 2007). Contains a single 1GB memory module that is specifically designed and SPD configured for the iMac Intel running 667Mhz Memory. Technical Specifications:1GB, PC2-5300, DDR2-667, 667Mhz, Latency 5-5-5 , Non-ECC, Unbuffered, 1.8V, 200pin SO-DIMM (Small Outline Dual Inline Memory Module) format. This module is compatible with the latest Apple Firmware. Watch our installation video: or click here for Apple's installation guide (PDF.)