The IBM/Lenovo IntelliStation M Pro (6225, 6228-xxx) uses DDR2 DIMM ECC PC2-3200 400MHz 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 PC2-3200 400MHz
Base Memory 256MB (Removable) or 512MB (Removable) or 1GB (Removable)
Upgrade Slots 4 Sockets (2 banks of 2)
Maximum Memory 4GB
Maximum Module Size 1GB
CPU & Chipset Intel Pentium 4 Intel 925X
Bus Architecture PCI; PCI Express
Manufacturer Part Numbers
  • 6225-xxx
  • 6228-xxx
Part Number 511EC7
400MHz 240pin CL7 ECC
In Stock
$24.99
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Part Number 51.2EC7
400MHz 240pin CL7 ECC
In Stock
$26.99
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Part Number 51.5EC7
400MHz 240pin CL7 ECC
In Stock
$29.99
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Part Number 511EC7H
400MHz 240pin CL7 ECC
In Stock
$39.99
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Part Number 51.2EC7H
400MHz 240pin CL7 ECC
In Stock
$42.99
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Part Number 51.5EC7H
400MHz 240pin CL7 ECC
In Stock
$47.99
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Part Number 511EC7-2
400MHz 240pin CL7 ECC
In Stock
$49.99
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Part Number 51.2EC7-2
400MHz 240pin CL7 ECC
In Stock
$52.99
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Part Number 51.5EC7-2
400MHz 240pin CL7 ECC
In Stock
$58.99
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Part Number 511EC7-2H
400MHz 240pin CL7 ECC
In Stock
$79.99
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Part Number 51.2EC7-2H
400MHz 240pin CL7 ECC
In Stock
$84.99
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Part Number 51.5EC7-2H
400MHz 240pin CL7 ECC
In Stock
$94.99
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Part Number 511EC7-4
400MHz 240pin CL7 ECC
In Stock
$99.99
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Part Number 51.5EC7-4
400MHz 240pin CL7 ECC
In Stock
$117.99
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Part Number 511EC7-4H
400MHz 240pin CL7 ECC
In Stock
$159.99
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Part Number 51.5EC7-4H
400MHz 240pin CL7 ECC
In Stock
$189.99
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Part Number 511EC7-4
400MHz 240pin CL7 ECC
In Stock
$99.99
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Part Number 511EC7-4H
400MHz 240pin CL7 ECC
In Stock
$159.99
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Part Number 511EC7-2
400MHz 240pin CL7 ECC
In Stock
$49.99
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Part Number 511EC7-2H
400MHz 240pin CL7 ECC
In Stock
$79.99
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Part Number 51.5EC7-4
400MHz 240pin CL7 ECC
In Stock
$117.99
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Part Number 51.5EC7-4H
400MHz 240pin CL7 ECC
In Stock
$189.99
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Part Number 511EC7
400MHz 240pin CL7 ECC
In Stock
$24.99
View Product
Part Number 511EC7H
400MHz 240pin CL7 ECC
In Stock
$39.99
View Product
Part Number 51.5EC7-2
400MHz 240pin CL7 ECC
In Stock
$58.99
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Part Number 51.5EC7-2H
400MHz 240pin CL7 ECC
In Stock
$94.99
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Part Number 51.5EC7
400MHz 240pin CL7 ECC
In Stock
$29.99
View Product
Part Number 51.5EC7H
400MHz 240pin CL7 ECC
In Stock
$47.99
View Product
Part Number 51.2EC7-2
400MHz 240pin CL7 ECC
In Stock
$52.99
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Part Number 51.2EC7-2H
400MHz 240pin CL7 ECC
In Stock
$84.99
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Part Number 51.2EC7
400MHz 240pin CL7 ECC
In Stock
$26.99
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Part Number 51.2EC7H
400MHz 240pin CL7 ECC
In Stock
$42.99
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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
KTM3524/2G 2GB Kit of 2 1GB DDR2 PC2-3200 400MHz ECC DIMM Kingston 511EC7-2