Brand ===Please Select Brand=== Acer Adaptec AIC Aopen Apple ARBOR ASRock ASUS BCM Biostar Blackmagic Design Canon Cisco ClearCube Clevo Dell/Alienware DFI Dynabook EliteGroup (ECS) Epson EVGA Foxconn Fuji Fujitsu Gateway Getac Gigabyte GoPro Hitachi HP/Compaq Huawei IBM Intel Lenovo LG Electronics MEDION MiTAC MSI NEC Nikon Nutanix Packard Bell Panasonic Portwell QNAP Quanta Razer Samsung Sapphire Shuttle Siemens Nixdorf Sony Supermicro Synology Toshiba Twinhead Tyan Computers Via ViewSonic Wiwynn ZOTAC Series ===Please Select Series=== iBook iMac Mac Mac mini Mac mini Server Mac Pro MacBook MacBook Air MacBook Pro PowerBook Xserve Model ===Please Select Model=== Mac Pro, Late 2013 (macOS High Sierra 10.13 or later) Mac Pro, Late 2013 Mac Pro, Mid 2012 Mac Pro, Mid 2010 Mac Pro, 2019 Mac Pro, Early 2009 - MB535LL/A Mac Pro, Early 2009 - MB871LL/A MacPro1.1 Keyword 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. Please be aware of assembly restrictions as some SSD products come with a heatsink, such as the PCIe SSD 250H which comes with a metal heatsink. Mac Pro, Early 2009 - MB871LL/A Standard Memory : 3/6 GB (Removable) Maximum Memory : 32 GB Slots : 8 Sockets (4 sockets per processor) CPU / Chipsets : Intel Xeon 5500 series Bus Architecture : SATA Expansion : Comments : This system supports triple channel mode when three identical modules are installed.Do not mix ECC Registered DIMMs with ECC Unbuffered DIMMs.To choose RDIMM or ECC UDIMM depends on which CPU and memory type you have. Embedded DRAM Modules Product Compare DDR3 Registered DIMMs (Standard) 8GB 1.5V 512Mx4 2Rx4 1333 Part No. TS8GJMA333Y Compare DDR3 Registered DIMMs (Standard) 8GB x4 1.5V 512Mx4 2Rx4 1333 Part No. TS32GJMA533Y