The MSI Server P1-105-A2 uses DDR2 DIMM ECC PC2-5300 667MHz memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

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Memory Type DDR2 DIMM ECC PC2-5300 667MHz
Base Memory 0MB (Removable)
Upgrade Slots 4 Sockets
Maximum Memory 8GB
Maximum Module Size 2GB
CPU & Chipset ~
Bus Architecture SSD - SATA 3.5-inch; USB
Notes MODULES MUST BE ORDERED AND INSTALLED IN PAIRS for Dual Channel mode. Quantum offers kits for Dual Channel mode. If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration). Modules of varying speeds can be mixed, however, they will default to the slowest speed populated. Maximum configurations require 64-bit operating system.
Manufacturer Part Numbers
  • MS-9218 v2
Part Number 531EC5
667MHz 240pin CL5 ECC
In Stock
$15.99
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Part Number 531EC7
667MHz 240pin CL7 ECC
In Stock
$15.99
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Part Number 532EC5
667MHz 240pin CL5 ECC
In Stock
$20.99
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Part Number 532EC7
667MHz 240pin CL7 ECC
In Stock
$20.99
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Part Number 531EC5H
667MHz 240pin CL5 ECC
In Stock
$24.99
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Part Number 531EC7H
667MHz 240pin CL7 ECC
In Stock
$24.99
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Part Number 531EC5-2
667MHz 240pin CL5 ECC
In Stock
$30.99
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Part Number 531EC7-2
667MHz 240pin CL7 ECC
In Stock
$30.99
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Part Number 532EC5H
667MHz 240pin CL5 ECC
In Stock
$32.99
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Part Number 532EC7H
667MHz 240pin CL7 ECC
In Stock
$32.99
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Part Number 532EC5-2
667MHz 240pin CL5 ECC
In Stock
$40.99
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Part Number 532EC7-2
667MHz 240pin CL7 ECC
In Stock
$40.99
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Part Number 53.2EC7
667MHz 240pin CL7 ECC
In Stock
$46.99
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Part Number 53.5EC7
667MHz 240pin CL7 ECC
In Stock
$46.99
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Part Number 531EC5-2H
667MHz 240pin CL5 ECC
In Stock
$49.99
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Part Number 531EC7-2H
667MHz 240pin CL7 ECC
In Stock
$49.99
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Part Number 531EC7-4
667MHz 240pin CL7 ECC
In Stock
$61.99
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Part Number 532EC5-2H
667MHz 240pin CL5 ECC
In Stock
$64.99
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Part Number 532EC7-2H
667MHz 240pin CL7 ECC
In Stock
$64.99
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Part Number 53.2EC7H
667MHz 240pin CL7 ECC
In Stock
$74.99
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Part Number 53.5EC7H
667MHz 240pin CL7 ECC
In Stock
$74.99
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Part Number 532EC7-4
667MHz 240pin CL7 ECC
In Stock
$80.99
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Part Number 53.2EC7-2
667MHz 240pin CL7 ECC
In Stock
$92.99
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Part Number 53.5EC7-2
667MHz 240pin CL7 ECC
In Stock
$92.99
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Part Number 531EC7-4H
667MHz 240pin CL7 ECC
In Stock
$99.99
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Part Number 532EC7-4H
667MHz 240pin CL7 ECC
In Stock
$129.99
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Part Number 53.2EC7-2H
667MHz 240pin CL7 ECC
In Stock
$149.99
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Part Number 53.5EC7-2H
667MHz 240pin CL7 ECC
In Stock
$149.99
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Part Number 53.5EC7-4
667MHz 240pin CL7 ECC
In Stock
$185.99
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Part Number 53.5EC7-4H
667MHz 240pin CL7 ECC
In Stock
$299.99
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Part Number 532EC7-4
667MHz 240pin CL7 ECC
In Stock
$80.99
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Part Number 532EC7-4H
667MHz 240pin CL7 ECC
In Stock
$129.99
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Part Number 532EC5-2
667MHz 240pin CL5 ECC
In Stock
$40.99
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Part Number 532EC7-2
667MHz 240pin CL7 ECC
In Stock
$40.99
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Part Number 531EC7-4
667MHz 240pin CL7 ECC
In Stock
$61.99
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Part Number 532EC5-2H
667MHz 240pin CL5 ECC
In Stock
$64.99
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Part Number 532EC7-2H
667MHz 240pin CL7 ECC
In Stock
$64.99
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Part Number 531EC7-4H
667MHz 240pin CL7 ECC
In Stock
$99.99
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Part Number 532EC5
667MHz 240pin CL5 ECC
In Stock
$20.99
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Part Number 532EC7
667MHz 240pin CL7 ECC
In Stock
$20.99
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Part Number 531EC5-2
667MHz 240pin CL5 ECC
In Stock
$30.99
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Part Number 531EC7-2
667MHz 240pin CL7 ECC
In Stock
$30.99
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Part Number 532EC5H
667MHz 240pin CL5 ECC
In Stock
$32.99
View Product
Part Number 532EC7H
667MHz 240pin CL7 ECC
In Stock
$32.99
View Product
Part Number 531EC5-2H
667MHz 240pin CL5 ECC
In Stock
$49.99
View Product
Part Number 531EC7-2H
667MHz 240pin CL7 ECC
In Stock
$49.99
View Product
Part Number 53.5EC7-4
667MHz 240pin CL7 ECC
In Stock
$185.99
View Product
Part Number 53.5EC7-4H
667MHz 240pin CL7 ECC
In Stock
$299.99
View Product
Part Number 531EC5
667MHz 240pin CL5 ECC
In Stock
$15.99
View Product
Part Number 531EC7
667MHz 240pin CL7 ECC
In Stock
$15.99
View Product
Part Number 531EC5H
667MHz 240pin CL5 ECC
In Stock
$24.99
View Product
Part Number 531EC7H
667MHz 240pin CL7 ECC
In Stock
$24.99
View Product
Part Number 53.5EC7-2
667MHz 240pin CL7 ECC
In Stock
$92.99
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Part Number 53.5EC7-2H
667MHz 240pin CL7 ECC
In Stock
$149.99
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Part Number 53.5EC7
667MHz 240pin CL7 ECC
In Stock
$46.99
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Part Number 53.5EC7H
667MHz 240pin CL7 ECC
In Stock
$74.99
View Product
Part Number 53.2EC7-2
667MHz 240pin CL7 ECC
In Stock
$92.99
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Part Number 53.2EC7-2H
667MHz 240pin CL7 ECC
In Stock
$149.99
View Product
Part Number 53.2EC7
667MHz 240pin CL7 ECC
In Stock
$46.99
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Part Number 53.2EC7H
667MHz 240pin CL7 ECC
In Stock
$74.99
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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
KVR667D2E5/1G 1GB DDR2 PC2-5300 667MHz ECC DIMM Kingston 531EC5
KVR667D2E5/2G 2GB DDR2 PC2-5300 667MHz ECC DIMM Kingston 532EC5
KVR667D2E5K2/2G 2GB Kit of 2 1GB DDR2 PC2-5300 667MHz ECC DIMM Kingston 531EC5-2
KVR667D2E5K2/4G 4GB Kit of 2 2GB DDR2 PC2-5300 667MHz ECC DIMM Kingston 532EC5-2