Bring some love to your 4th Generation iPod Photo/Color This SD Adapter allows much lower power consumption than the original hard drive, which guarantees longer runtimes and a quicker user interface. Features Thin profile - thinner than the original HDD 44PIN IDE - Perfectly matches the Toshiba HDD Interface Yamaichi SD Connector - High quality Japanese made SD Connector SD / SDHC / SDXC / UHS-1 U1 & U3 Card Compatible Compatibility / Models Known to work SD Card compatibility will be similar between iPod generations but this not guaranteed until we have received users reports. For use on iPod 4th Gen Color/Photo/Grey Scale/BW models. Models that are known to work :- Model Description Model No. iTunes Track Limits 4th Gen 20Gb U2 Edition M9787 approx. 25000 4th Gen 20Gb M9282 approx. 25000 4th Gen 20Gb Color MA079 approx. 25000 4th Gen 30Gb Photo M9829 Not Determined 4th Gen 40Gb Photo M9585 Not Determined 4th Gen 40Gb Photo P9268 Not Determined 4th Gen 60Gb Color M9830 Not Determined 4th Gen 60Gb Photo M9586 approx. 30000 Model Identifiers on case back: A1099, A1059, A1040 SPECIAL NOTE ABOUT 3RD GEN IPODS While the iFlash-ATA1 will work in the following 3rd gen models, we however suggest using our 4th Gen converter and iFlash-Solo for these models. The way the iFlash-ATA1 fits will cause greater stress on the hard drive ribbon. Model Description Model No. Maximum Capacity 3rd Gen 40Gb P9245B Max 128GB 3rd Gen 20Gb M9244B Max 128GB 3rd Gen 15Gb M9460B Max 128GB 3rd Gen 10Gb M8976 Max 128GB