Find a compatible Transcend product to meet your needs by using the drop-down list or keyword search: Device Type ===Please Select Device=== Action Cameras Digital Camera Digital Camera DSLR Digital Video Camcorder Mobile Phone Tablet Desktop Motherboard Notebook Printer Server Workstation Professional Cinematography Camera Brand ===Please Select Brand=== ABIT Acer ALIENWARE AOPEN Apple ASROCK ASUS BIOSTAR CLEVO DELL ECS (ELITEGROUP) EMACHINES Fujitsu Fujitsu-Siemens Gateway GIGABYTE Hitachi HP IBM/LENOVO Intel IWILL Lenovo MSI NEC Samsung Sharp Sony SOTEC SUPERMICRO Toshiba TYAN Series ===Please Select Series=== eMac iMac Mac mini Power Mac Model ===Please Select Model=== iMac 700 iMac 800, FLAT PANEL iMac G4 Flat Panel, PC2700 iMac G5, 17-inch, iSight iMac G5, 20-inch, iSight iMac, 17-inch, Early 2006 iMac, 17-inch, Late 2006, MA590xx/A iMac, 17-inch, Late 2006, MA710xx/A iMac, 17-inch, Mid 2006 iMac, 20-inch, Early 2006 iMac, 20-inch, Early 2008 iMac, 20-inch, Early 2009 iMac, 20-inch, Late 2006 iMac, 20-inch, Mid 2007 iMac, 21.5-inch, Late 2009 iMac, 21.5-inch, Mid 2010 iMac, 21.5-inch, Mid 2011 iMac, 24-inch, Early 2008 iMac, 24-inch, Early 2009 iMac, 24-inch, Intel Core 2 Extreme iMac, 24-inch, MA456xx/A iMac, 24-inch, Mid 2007 iMac, 27-inch, Late 2009 iMac, 27-inch, Late 2009, MB952XX/A iMac, 27-inch, Late 2012 iMac, 27-inch, Late 2013 iMac, 27-inch, Mid 2010 iMac, 27-inch, Mid 2011 iMac, Retina 5K, 27-inch, 2017 iMac, Retina 5K, 27-inch, 2019 iMac, Retina 5K, 27-inch, Late 2014 iMac, Retina 5K, 27-inch, Late 2015 Enter keyword Device Model(ex. MacBook) or Complete Transcend P/N(ex. TS256MSK64V1U) The database for compatibility check is established according to the results of Transcend's internal test, and is only for your reference to choose suitable Transcend products. iMac, 21.5-inch, Late 2009 (Desktop) Standard Memory : 4GB (Removable) Maximum Memory : 16 GB Slots : 4 Sockets CPU : Intel Core 2 Duo i5/i7 Bus Architecture : SATA Chipsets : Expansion : Comments : MB950XX/A,MC413XX/A DRAM Modules Product DDR3-1066 SO-DIMM 4GB DDR3 1066 SO-DIMM 2Rx8 2Rx8 TS4GAP1066S JetRam Product