The IBM/Lenovo System x3250 M2 (4190, 4191, 4194-xxx) uses DDR2 DIMM ECC PC2-6400 800MHz, 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 PC2-6400 800MHz, ECC PC2-5300 667MHz
Base Memory 512 MB (Removable) or 1 GB (Removable)
Upgrade Slots 4 Sockets (2 Banks of 2)
Maximum Memory 8 GB
Maximum Module Size 2GB
CPU & Chipset ~
Bus Architecture PCI; PCI Express; SSD - SATA 2.5-inch 9.5mm; SSD - SATA 3.5-inch
Notes Systems with single module configurations must either remove the module before upgrading with We memory or purchase an additional single module from IBM (512MB Module p/n: 41Y2726 or 41Y2725).
Manufacturer Part Numbers
  • 4190-xxx
  • 4191-xxx
  • 4194-xxx
Part Number 531EC7
667MHz 240pin CL7 ECC
In Stock
$15.99
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Part Number 541EC7
800MHz 240pin CL7 ECC
In Stock
$15.99
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Part Number 532EC7
667MHz 240pin CL7 ECC
In Stock
$20.99
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Part Number 542EC7
800MHz 240pin CL7 ECC
In Stock
$21.99
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Part Number 531EC7H
667MHz 240pin CL7 ECC
In Stock
$24.99
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Part Number 541EC7H
800MHz 240pin CL7 ECC
In Stock
$24.99
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Part Number 531EC7-2
667MHz 240pin CL7 ECC
In Stock
$30.99
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Part Number 541EC7-2
800MHz 240pin CL7 ECC
In Stock
$30.99
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Part Number 532EC7H
667MHz 240pin CL7 ECC
In Stock
$32.99
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Part Number 542EC7H
800MHz 240pin CL7 ECC
In Stock
$34.99
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Part Number 532EC7-2
667MHz 240pin CL7 ECC
In Stock
$40.99
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Part Number 542EC7-2
800MHz 240pin CL7 ECC
In Stock
$43.99
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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 54.2EC7
800MHz 240pin CL7 ECC
In Stock
$46.99
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Part Number 54.5EC7
800MHz 240pin CL7 ECC
In Stock
$46.99
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Part Number 531EC7-2H
667MHz 240pin CL7 ECC
In Stock
$49.99
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Part Number 541EC7-2H
800MHz 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 541EC7-4
800MHz 240pin CL7 ECC
In Stock
$61.99
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Part Number 532EC7-2H
667MHz 240pin CL7 ECC
In Stock
$64.99
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Part Number 542EC7-2H
800MHz 240pin CL7 ECC
In Stock
$69.99
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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 54.2EC7H
800MHz 240pin CL7 ECC
In Stock
$74.99
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Part Number 54.5EC7H
800MHz 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 542EC7-4
800MHz 240pin CL7 ECC
In Stock
$86.99
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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 54.2EC7-2
800MHz 240pin CL7 ECC
In Stock
$92.99
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Part Number 54.5EC7-2
800MHz 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 541EC7-4H
800MHz 240pin CL7 ECC
In Stock
$99.99
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Part Number SSD/64G
Call to Order
$99.99
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Part Number 532EC7-4H
667MHz 240pin CL7 ECC
In Stock
$129.99
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Part Number 542EC7-4H
800MHz 240pin CL7 ECC
In Stock
$139.99
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Part Number SSD/32G
Call to Order
$139.99
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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 54.2EC7-2H
800MHz 240pin CL7 ECC
In Stock
$149.99
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Part Number 54.5EC7-2H
800MHz 240pin CL7 ECC
In Stock
$149.99
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Part Number SSD/64GH
Call to Order
$159.99
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Part Number 53.5EC7-4
667MHz 240pin CL7 ECC
In Stock
$185.99
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Part Number 54.5EC7-4
800MHz 240pin CL7 ECC
In Stock
$185.99
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Part Number SSD/32GH
Call to Order
$224.99
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Part Number 53.5EC7-4H
667MHz 240pin CL7 ECC
In Stock
$299.99
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Part Number 54.5EC7-4H
800MHz 240pin CL7 ECC
In Stock
$299.99
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Part Number 532EC7-4
667MHz 240pin CL7 ECC
In Stock
$80.99
View Product
Part Number 542EC7-4
800MHz 240pin CL7 ECC
In Stock
$86.99
View Product
Part Number 532EC7-4H
667MHz 240pin CL7 ECC
In Stock
$129.99
View Product
Part Number 542EC7-4H
800MHz 240pin CL7 ECC
In Stock
$139.99
View Product
Part Number 532EC7-2
667MHz 240pin CL7 ECC
In Stock
$40.99
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Part Number 542EC7-2
800MHz 240pin CL7 ECC
In Stock
$43.99
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Part Number 531EC7-4
667MHz 240pin CL7 ECC
In Stock
$61.99
View Product
Part Number 541EC7-4
800MHz 240pin CL7 ECC
In Stock
$61.99
View Product
Part Number 532EC7-2H
667MHz 240pin CL7 ECC
In Stock
$64.99
View Product
Part Number 542EC7-2H
800MHz 240pin CL7 ECC
In Stock
$69.99
View Product
Part Number 531EC7-4H
667MHz 240pin CL7 ECC
In Stock
$99.99
View Product
Part Number 541EC7-4H
800MHz 240pin CL7 ECC
In Stock
$99.99
View Product
Part Number 532EC7
667MHz 240pin CL7 ECC
In Stock
$20.99
View Product
Part Number 542EC7
800MHz 240pin CL7 ECC
In Stock
$21.99
View Product
Part Number 531EC7-2
667MHz 240pin CL7 ECC
In Stock
$30.99
View Product
Part Number 541EC7-2
800MHz 240pin CL7 ECC
In Stock
$30.99
View Product
Part Number 532EC7H
667MHz 240pin CL7 ECC
In Stock
$32.99
View Product
Part Number 542EC7H
800MHz 240pin CL7 ECC
In Stock
$34.99
View Product
Part Number 531EC7-2H
667MHz 240pin CL7 ECC
In Stock
$49.99
View Product
Part Number 541EC7-2H
800MHz 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 54.5EC7-4
800MHz 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 54.5EC7-4H
800MHz 240pin CL7 ECC
In Stock
$299.99
View Product
Part Number 531EC7
667MHz 240pin CL7 ECC
In Stock
$15.99
View Product
Part Number 541EC7
800MHz 240pin CL7 ECC
In Stock
$15.99
View Product
Part Number 531EC7H
667MHz 240pin CL7 ECC
In Stock
$24.99
View Product
Part Number 541EC7H
800MHz 240pin CL7 ECC
In Stock
$24.99
View Product
Part Number 53.5EC7-2
667MHz 240pin CL7 ECC
In Stock
$92.99
View Product
Part Number 54.5EC7-2
800MHz 240pin CL7 ECC
In Stock
$92.99
View Product
Part Number 53.5EC7-2H
667MHz 240pin CL7 ECC
In Stock
$149.99
View Product
Part Number 54.5EC7-2H
800MHz 240pin CL7 ECC
In Stock
$149.99
View Product
Part Number 53.5EC7
667MHz 240pin CL7 ECC
In Stock
$46.99
View Product
Part Number 54.5EC7
800MHz 240pin CL7 ECC
In Stock
$46.99
View Product
Part Number 53.5EC7H
667MHz 240pin CL7 ECC
In Stock
$74.99
View Product
Part Number 54.5EC7H
800MHz 240pin CL7 ECC
In Stock
$74.99
View Product
Part Number 53.2EC7-2
667MHz 240pin CL7 ECC
In Stock
$92.99
View Product
Part Number 54.2EC7-2
800MHz 240pin CL7 ECC
In Stock
$92.99
View Product
Part Number 53.2EC7-2H
667MHz 240pin CL7 ECC
In Stock
$149.99
View Product
Part Number 54.2EC7-2H
800MHz 240pin CL7 ECC
In Stock
$149.99
View Product
Part Number 53.2EC7
667MHz 240pin CL7 ECC
In Stock
$46.99
View Product
Part Number 54.2EC7
800MHz 240pin CL7 ECC
In Stock
$46.99
View Product
Part Number 53.2EC7H
667MHz 240pin CL7 ECC
In Stock
$74.99
View Product
Part Number 54.2EC7H
800MHz 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
KTM2726AK2/2G 2GB Kit of 2 1GB DDR2 PC2-6400 800MHz ECC DIMM Kingston 541EC7-2
KTM2726AK2/4G 4GB Kit of 2 2GB DDR2 PC2-6400 800MHz ECC DIMM Kingston 542EC7-2
KTM2726K2/2G 2GB Kit of 2 1GB DDR2 PC2-5300 667MHz ECC DIMM Kingston 531EC7-2
KTM2726K2/4G 4GB Kit of 2 2GB DDR2 PC2-5300 667MHz ECC DIMM Kingston 532EC7-2
SNA-BR/35 2.5 to 3.5in Brackets and Screws Kingston
SNE125-S2/32GB 32GB Solid State Drive Kingston SSD/32G
SNE125-S2/64GB 64GB Solid State Drive Kingston SSD/64G