The IBM/Lenovo IntelliStation M Pro (6218-xxx) uses DDR2 DIMM ECC PC2-4200 533MHz 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 PC2-4200 533MHz
Base Memory 1GB (Removable) or 2GB (Removable)
Upgrade Slots 4 Sockets (2 banks of 2)
Maximum Memory 8GB
Maximum Module Size 2GB
CPU & Chipset Intel Pentium 4 Intel 955X (Glenwood)
Bus Architecture PCI; PCI Express
Manufacturer Part Numbers
  • 6218-xxx
Part Number 522EC7
533MHz 240pin CL7 ECC
In Stock
$23.99
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Part Number 521EC7
533MHz 240pin CL7 ECC
In Stock
$24.99
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Part Number 52.5EC7
533MHz 240pin CL7 ECC
In Stock
$29.99
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Part Number 522EC7H
533MHz 240pin CL7 ECC
In Stock
$37.99
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Part Number 521EC7H
533MHz 240pin CL7 ECC
In Stock
$39.99
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Part Number 52.2EC7
533MHz 240pin CL7 ECC
In Stock
$46.99
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Part Number 522EC7-2
533MHz 240pin CL7 ECC
In Stock
$46.99
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Part Number 52.5EC7H
533MHz 240pin CL7 ECC
In Stock
$47.99
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Part Number 521EC7-2
533MHz 240pin CL7 ECC
In Stock
$49.99
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Part Number 52.5EC7-2
533MHz 240pin CL7 ECC
In Stock
$58.99
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Part Number 52.2EC7H
533MHz 240pin CL7 ECC
In Stock
$74.99
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Part Number 522EC7-2H
533MHz 240pin CL7 ECC
In Stock
$74.99
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Part Number 521EC7-2H
533MHz 240pin CL7 ECC
In Stock
$79.99
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Part Number 52.2EC7-2
533MHz 240pin CL7 ECC
In Stock
$92.99
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Part Number 522EC7-4
533MHz 240pin CL7 ECC
In Stock
$92.99
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Part Number 52.5EC7-2H
533MHz 240pin CL7 ECC
In Stock
$94.99
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Part Number 521EC7-4
533MHz 240pin CL7 ECC
In Stock
$99.99
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Part Number 52.5EC7-4
533MHz 240pin CL7 ECC
In Stock
$117.99
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Part Number 52.2EC7-2H
533MHz 240pin CL7 ECC
In Stock
$149.99
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Part Number 522EC7-4H
533MHz 240pin CL7 ECC
In Stock
$149.99
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Part Number 521EC7-4H
533MHz 240pin CL7 ECC
In Stock
$159.99
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Part Number 52.5EC7-4H
533MHz 240pin CL7 ECC
In Stock
$189.99
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Part Number 522EC7-4
533MHz 240pin CL7 ECC
In Stock
$92.99
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Part Number 522EC7-4H
533MHz 240pin CL7 ECC
In Stock
$149.99
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Part Number 522EC7-2
533MHz 240pin CL7 ECC
In Stock
$46.99
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Part Number 522EC7-2H
533MHz 240pin CL7 ECC
In Stock
$74.99
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Part Number 521EC7-4
533MHz 240pin CL7 ECC
In Stock
$99.99
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Part Number 521EC7-4H
533MHz 240pin CL7 ECC
In Stock
$159.99
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Part Number 522EC7
533MHz 240pin CL7 ECC
In Stock
$23.99
View Product
Part Number 522EC7H
533MHz 240pin CL7 ECC
In Stock
$37.99
View Product
Part Number 521EC7-2
533MHz 240pin CL7 ECC
In Stock
$49.99
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Part Number 521EC7-2H
533MHz 240pin CL7 ECC
In Stock
$79.99
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Part Number 52.5EC7-4
533MHz 240pin CL7 ECC
In Stock
$117.99
View Product
Part Number 52.5EC7-4H
533MHz 240pin CL7 ECC
In Stock
$189.99
View Product
Part Number 521EC7
533MHz 240pin CL7 ECC
In Stock
$24.99
View Product
Part Number 521EC7H
533MHz 240pin CL7 ECC
In Stock
$39.99
View Product
Part Number 52.5EC7-2
533MHz 240pin CL7 ECC
In Stock
$58.99
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Part Number 52.5EC7-2H
533MHz 240pin CL7 ECC
In Stock
$94.99
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Part Number 52.5EC7
533MHz 240pin CL7 ECC
In Stock
$29.99
View Product
Part Number 52.5EC7H
533MHz 240pin CL7 ECC
In Stock
$47.99
View Product
Part Number 52.2EC7-2
533MHz 240pin CL7 ECC
In Stock
$92.99
View Product
Part Number 52.2EC7-2H
533MHz 240pin CL7 ECC
In Stock
$149.99
View Product
Part Number 52.2EC7
533MHz 240pin CL7 ECC
In Stock
$46.99
View Product
Part Number 52.2EC7H
533MHz 240pin CL7 ECC
In Stock
$74.99
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
KTM5149/2G 2GB Kit of 2 1GB DDR2 PC2-4200 533MHz ECC DIMM Kingston 521EC7-2
KTM5149/4G 4GB Kit of 2 2GB DDR2 PC2-4200 533MHz ECC DIMM Kingston 522EC7-2