The Apple Mac Pro DDR3 Early 2009 1CPU uses DDR3 DIMM ECC PC3-8500 1066MHz memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

Need Assistance? Please call and speak with one of our expert technicians at 800-240-8577 or US 404-935-4048 to verify exact system specs before ordering.
Memory Type DDR3 DIMM ECC PC3-8500 1066MHz
Base Memory 3GB (Removable)
Upgrade Slots 4 Socket(s)
Maximum Memory 16GB
Maximum Module Size 4GB
CPU & Chipset ~
Bus Architecture SSD - SATA 3.5-inch
Notes Important: This system supports triple channel mode when three identical modules are installed. Quantum offers K3 kits to optimize performance and K4 kits to achieve maximum configurations. Quantum SSD drives may be installed in the 3.5" drive bays. Installation requires purchase of Quantum SNA-DC2/35 drive carrier to secure the drive.
Manufacturer Part Numbers
  • MB871B/A
  • MB871D/A
  • MB871F/A
  • MB871FN/A
  • MB871H/A
  • MB871J/A
  • MB871K/A
  • MB871LL/A
  • MB871N/A
  • MB871S/A
  • MB871SM/A
  • MB871T/A
  • MB871X/A
  • MB871ZH/A
Part Number 81.5EC9
1066MHz 240pin CL9 ECC
In Stock
$18.99
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Part Number 81.5ETC9
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$18.99
View Product
Part Number 811EC9
1066MHz 240pin CL9 ECC
In Stock
$18.99
View Product
Part Number 811ETC9
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$18.99
View Product
Part Number 812EC9
1066MHz 240pin CL9 ECC
In Stock
$26.99
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Part Number 81.5EC9H
1066MHz 240pin CL9 ECC
In Stock
$29.99
View Product
Part Number 81.5ETC9H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$29.99
View Product
Part Number 811EC9H
1066MHz 240pin CL9 ECC
In Stock
$29.99
View Product
Part Number 811ETC9H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$29.99
View Product
Part Number 811EC9-2
1066MHz 240pin CL9 ECC
In Stock
$37.99
View Product
Part Number 811ETC9-2
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$37.99
View Product
Part Number 812ETC9
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$40.99
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Part Number 812EC9H
1066MHz 240pin CL9 ECC
In Stock
$42.99
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Part Number 814EC9
1066MHz 240pin CL9 ECC
In Stock
$46.99
View Product
Part Number 814ETC9
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$46.99
View Product
Part Number 812EC9-2
1066MHz 240pin CL9 ECC
In Stock
$52.99
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Part Number 811EC9-2H
1066MHz 240pin CL9 ECC
In Stock
$59.99
View Product
Part Number 811ETC9-2H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$59.99
View Product
Part Number 812ETC9H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$64.99
View Product
Part Number 811EC9-4
1066MHz 240pin CL9 ECC
In Stock
$74.99
View Product
Part Number 811ETC9-4
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$74.99
View Product
Part Number 814EC9H
1066MHz 240pin CL9 ECC
In Stock
$74.99
View Product
Part Number 814ETC9H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$74.99
View Product
Part Number 812ETC9-2
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$80.99
View Product
Part Number 812EC9-2H
1066MHz 240pin CL9 ECC
In Stock
$84.99
View Product
Part Number 814EC9-2
1066MHz 240pin CL9 ECC
In Stock
$92.99
View Product
Part Number 814ETC9-2
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$92.99
View Product
Part Number 812EC9-4
1066MHz 240pin CL9 ECC
In Stock
$105.99
View Product
Part Number 811EC9-4H
1066MHz 240pin CL9 ECC
In Stock
$119.99
View Product
Part Number 811ETC9-4H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$119.99
View Product
Part Number 812ETC9-2H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$129.99
View Product
Part Number 814ETC9-3
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$139.99
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Part Number 814EC9-2H
1066MHz 240pin CL9 ECC
In Stock
$149.99
View Product
Part Number 814ETC9-2H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$149.99
View Product
Part Number 812ETC9-4
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$161.99
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Part Number 812EC9-4H
1066MHz 240pin CL9 ECC
In Stock
$169.99
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Part Number 814EC9-4
1066MHz 240pin CL9 ECC
In Stock
$185.99
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Part Number 814ETC9-4
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$185.99
View Product
Part Number 814ETC9-3H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$224.99
View Product
Part Number 812ETC9-4H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$259.99
View Product
Part Number 814EC9-4H
1066MHz 240pin CL9 ECC
In Stock
$299.99
View Product
Part Number 814ETC9-4H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$299.99
View Product
Part Number 814EC9-4
1066MHz 240pin CL9 ECC
In Stock
$185.99
View Product
Part Number 814ETC9-4
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$185.99
View Product
Part Number 814EC9-4H
1066MHz 240pin CL9 ECC
In Stock
$299.99
View Product
Part Number 814ETC9-4H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$299.99
View Product
Part Number 814ETC9-3
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$139.99
View Product
Part Number 814ETC9-3H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$224.99
View Product
Part Number 814EC9-2
1066MHz 240pin CL9 ECC
In Stock
$92.99
View Product
Part Number 814ETC9-2
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$92.99
View Product
Part Number 812EC9-4
1066MHz 240pin CL9 ECC
In Stock
$105.99
View Product
Part Number 814EC9-2H
1066MHz 240pin CL9 ECC
In Stock
$149.99
View Product
Part Number 814ETC9-2H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$149.99
View Product
Part Number 812ETC9-4
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$161.99
View Product
Part Number 812EC9-4H
1066MHz 240pin CL9 ECC
In Stock
$169.99
View Product
Part Number 812ETC9-4H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$259.99
View Product
Part Number 814EC9
1066MHz 240pin CL9 ECC
In Stock
$46.99
View Product
Part Number 814ETC9
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$46.99
View Product
Part Number 812EC9-2
1066MHz 240pin CL9 ECC
In Stock
$52.99
View Product
Part Number 811EC9-4
1066MHz 240pin CL9 ECC
In Stock
$74.99
View Product
Part Number 811ETC9-4
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$74.99
View Product
Part Number 814EC9H
1066MHz 240pin CL9 ECC
In Stock
$74.99
View Product
Part Number 814ETC9H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$74.99
View Product
Part Number 812ETC9-2
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$80.99
View Product
Part Number 812EC9-2H
1066MHz 240pin CL9 ECC
In Stock
$84.99
View Product
Part Number 811EC9-4H
1066MHz 240pin CL9 ECC
In Stock
$119.99
View Product
Part Number 811ETC9-4H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$119.99
View Product
Part Number 812ETC9-2H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$129.99
View Product
Part Number 812EC9
1066MHz 240pin CL9 ECC
In Stock
$26.99
View Product
Part Number 811EC9-2
1066MHz 240pin CL9 ECC
In Stock
$37.99
View Product
Part Number 811ETC9-2
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$37.99
View Product
Part Number 812ETC9
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$40.99
View Product
Part Number 812EC9H
1066MHz 240pin CL9 ECC
In Stock
$42.99
View Product
Part Number 811EC9-2H
1066MHz 240pin CL9 ECC
In Stock
$59.99
View Product
Part Number 811ETC9-2H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$59.99
View Product
Part Number 812ETC9H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$64.99
View Product
Part Number 811EC9
1066MHz 240pin CL9 ECC
In Stock
$18.99
View Product
Part Number 811ETC9
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$18.99
View Product
Part Number 811EC9H
1066MHz 240pin CL9 ECC
In Stock
$29.99
View Product
Part Number 811ETC9H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$29.99
View Product
Part Number 81.5EC9
1066MHz 240pin CL9 ECC
In Stock
$18.99
View Product
Part Number 81.5ETC9
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$18.99
View Product
Part Number 81.5EC9H
1066MHz 240pin CL9 ECC
In Stock
$29.99
View Product
Part Number 81.5ETC9H
1066MHz 240pin CL9 Thermal Sensor ECC
In Stock
$29.99
View Product

Upgrade References

The table below are references to other manufacturer part numbers which are specific to this device, have identical specifications to our components. This information is made available for your reference.
Part# Source References
KTA-MP1066/1G 1GB DDR3 PC3-8500 1066MHz ECC DIMM Kingston 811EC9
KTA-MP1066/2G 2GB DDR3 PC3-8500 1066MHz ECC DIMM Kingston 812EC9
KTA-MP1066/4G 4GB DDR3 PC3-8500 1066MHz ECC Thermal Sensor DIMM Kingston 814ETC9
KTA-MP1066K3/6G 6GB Kit of 3 2GB DDR3 PC3-8500 1066MHz ECC DIMM Kingston 812EC9-3
KTA-MP1066K3/12G 12GB Kit of 3 4GB DDR3 PC3-8500 1066MHz ECC Thermal Sensor DIMM Kingston 814ETC9-3
KTA-MP1066K4/8G 8GB Kit of 4 2GB DDR3 PC3-8500 1066MHz ECC DIMM Kingston 812EC9-4
KTA-MP1066K4/16G 16GB Kit of 4 4GB DDR3 PC3-8500 1066MHz ECC Thermal Sensor DIMM Kingston 814ETC9-4
SNA-BR/35 2.5 to 3.5in Brackets and Screws Kingston