The IBM/Lenovo System x3850 (8863, 8864-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.

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 DDR2 DIMM ECC PC2-3200 400MHz
Base Memory 2 GB (Removable)
Upgrade Slots 4 Slots for Active Memory Expansion Cards 4 Sockets (2 Banks of 2) per Active Memory Expansion Card
Maximum Memory 64 GB
Maximum Module Size 16GB
CPU & Chipset Intel Xeon MP IBM XA-64e
Bus Architecture PCI; PCI-X; SSD - SATA 2.5-inch 9.5mm
Notes Several memory configurations are supported: performance, cost sensitive, and memory mirrored. Please refer to the User's Guide for additional information.
Manufacturer Part Numbers
  • 8863-xxx
  • 8864-xxx
Part Number 511EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$24.99
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Part Number 51.2EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$26.99
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Part Number 51.5EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$29.99
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Part Number 511EKC7H
400MHz 240pin CL7 Chipkill ECC
In Stock
$39.99
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Part Number 51.2EKC7H
400MHz 240pin CL7 Chipkill ECC
In Stock
$42.99
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Part Number 512EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$43.99
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Part Number 51.5EKC7H
400MHz 240pin CL7 Chipkill ECC
In Stock
$47.99
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Part Number 511EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$49.99
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Part Number 51.2EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$52.99
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Part Number 51.5EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$58.99
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Part Number 512EKC7H
400MHz 240pin CL7 Chipkill ECC
In Stock
$69.99
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Part Number 511EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$79.99
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Part Number 51.2EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$84.99
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Part Number 512EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$86.99
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Part Number 512ERDKC7-2
400MHz 240pin CL7 Registered Dual Rank Chipkill ECC
In Stock
$86.99
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Part Number 51.5EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$94.99
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Part Number 511EKC7-4
400MHz 240pin CL7 Chipkill ECC
In Stock
$99.99
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Part Number SSD/64G
Call to Order
$99.99
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Part Number 51.5EKC7-4
400MHz 240pin CL7 Chipkill ECC
In Stock
$117.99
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Part Number 512EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$139.99
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Part Number 512ERDKC7-2H
400MHz 240pin CL7 Registered Dual Rank Chipkill ECC
In Stock
$139.99
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Part Number 514ERDKC7-2
400MHz 240pin CL7 Registered Dual Rank Chipkill ECC
In Stock
$139.99
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Part Number SSD/32G
Call to Order
$139.99
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Part Number SSD/96G
Call to Order
$148.99
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Part Number 511EKC7-4H
400MHz 240pin CL7 Chipkill ECC
In Stock
$159.99
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Part Number SSD/64GH
Call to Order
$159.99
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Part Number 512EKC7-4
400MHz 240pin CL7 Chipkill ECC
In Stock
$173.99
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Part Number 51.5EKC7-4H
400MHz 240pin CL7 Chipkill ECC
In Stock
$189.99
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Part Number 514EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$201.99
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Part Number 514ERDKC7-2H
400MHz 240pin CL7 Registered Dual Rank Chipkill ECC
In Stock
$224.99
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Part Number SSD/32GH
Call to Order
$224.99
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Part Number SSD/96GH
Call to Order
$239.99
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Part Number SSD/120G
Call to Order
$247.99
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Part Number SSD/128G
Call to Order
$263.99
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Part Number 512EKC7-4H
400MHz 240pin CL7 Chipkill ECC
In Stock
$279.99
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Part Number 514EKC7H
400MHz 240pin CL7 Chipkill ECC
In Stock
$324.99
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Part Number 518EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$387.99
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Part Number SSD/120GH
Call to Order
$399.99
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Part Number 514EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$402.99
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Part Number SSD/256G
Call to Order
$402.99
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Part Number SSD/128GH
Call to Order
$424.99
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Part Number 518EKC7H
400MHz 240pin CL7 Chipkill ECC
In Stock
$624.99
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Part Number 514EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$649.99
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Part Number SSD/256GH
Call to Order
$649.99
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Part Number 518EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$774.99
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Part Number 514EKC7-4
400MHz 240pin CL7 Chipkill ECC
In Stock
$805.99
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Part Number SSD/512G
Call to Order
$929.99
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Part Number 518EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$1249.99
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Part Number 514EKC7-4H
400MHz 240pin CL7 Chipkill ECC
In Stock
$1299.99
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Part Number SSD/512GH
Call to Order
$1499.99
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Part Number 518EKC7-4
400MHz 240pin CL7 Chipkill ECC
In Stock
$1549.99
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Part Number 518EKC7-4H
400MHz 240pin CL7 Chipkill ECC
In Stock
$2499.99
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Part Number 518EKC7-4
400MHz 240pin CL7 Chipkill ECC
In Stock
$1549.99
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Part Number 518EKC7-4H
400MHz 240pin CL7 Chipkill ECC
In Stock
$2499.99
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Part Number 518EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$774.99
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Part Number 514EKC7-4
400MHz 240pin CL7 Chipkill ECC
In Stock
$805.99
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Part Number 518EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$1249.99
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Part Number 514EKC7-4H
400MHz 240pin CL7 Chipkill ECC
In Stock
$1299.99
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Part Number 514ERDKC7-2
400MHz 240pin CL7 Registered Dual Rank Chipkill ECC
In Stock
$139.99
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Part Number 512EKC7-4
400MHz 240pin CL7 Chipkill ECC
In Stock
$173.99
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Part Number 514ERDKC7-2H
400MHz 240pin CL7 Registered Dual Rank Chipkill ECC
In Stock
$224.99
View Product
Part Number 512EKC7-4H
400MHz 240pin CL7 Chipkill ECC
In Stock
$279.99
View Product
Part Number 518EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$387.99
View Product
Part Number 514EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$402.99
View Product
Part Number 518EKC7H
400MHz 240pin CL7 Chipkill ECC
In Stock
$624.99
View Product
Part Number 514EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$649.99
View Product
Part Number 512EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$86.99
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Part Number 512ERDKC7-2
400MHz 240pin CL7 Registered Dual Rank Chipkill ECC
In Stock
$86.99
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Part Number 511EKC7-4
400MHz 240pin CL7 Chipkill ECC
In Stock
$99.99
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Part Number 512EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$139.99
View Product
Part Number 512ERDKC7-2H
400MHz 240pin CL7 Registered Dual Rank Chipkill ECC
In Stock
$139.99
View Product
Part Number 511EKC7-4H
400MHz 240pin CL7 Chipkill ECC
In Stock
$159.99
View Product
Part Number 514EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$201.99
View Product
Part Number 514EKC7H
400MHz 240pin CL7 Chipkill ECC
In Stock
$324.99
View Product
Part Number 512EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$43.99
View Product
Part Number 511EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$49.99
View Product
Part Number 512EKC7H
400MHz 240pin CL7 Chipkill ECC
In Stock
$69.99
View Product
Part Number 511EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$79.99
View Product
Part Number 51.5EKC7-4
400MHz 240pin CL7 Chipkill ECC
In Stock
$117.99
View Product
Part Number 51.5EKC7-4H
400MHz 240pin CL7 Chipkill ECC
In Stock
$189.99
View Product
Part Number 511EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$24.99
View Product
Part Number 511EKC7H
400MHz 240pin CL7 Chipkill ECC
In Stock
$39.99
View Product
Part Number 51.5EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$58.99
View Product
Part Number 51.5EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$94.99
View Product
Part Number 51.5EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$29.99
View Product
Part Number 51.5EKC7H
400MHz 240pin CL7 Chipkill ECC
In Stock
$47.99
View Product
Part Number 51.2EKC7-2
400MHz 240pin CL7 Chipkill ECC
In Stock
$52.99
View Product
Part Number 51.2EKC7-2H
400MHz 240pin CL7 Chipkill ECC
In Stock
$84.99
View Product
Part Number 51.2EKC7
400MHz 240pin CL7 Chipkill ECC
In Stock
$26.99
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Part Number 51.2EKC7H
400MHz 240pin CL7 Chipkill 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
KTM2865/4G 4GB Kit of 2 2GB DDR2 PC2-3200 400MHz ECC REG Dual Rank Chipkill DIMM Kingston 512ERDKC7-2
KTM2865/8G 8GB Kit of 2 4GB DDR2 PC2-3200 400MHz ECC REG Dual Rank Chipkill DIMM Kingston 514ERDKC7-2
SNE125-S2/32GB 32GB Solid State Drive Kingston SSD/32G
SNE125-S2/64GB 64GB Solid State Drive Kingston SSD/64G
SH100S3/120G 120GB Solid State Drive Kingston SSD/120G
SVP100S2/96G 96GB Solid State Drive Kingston SSD/96G
SVP100S2/128G 128GB Solid State Drive Kingston SSD/128G
SVP100S2/256G 256GB Solid State Drive Kingston SSD/256G
SVP100S2/512G 512GB Solid State Drive Kingston SSD/512G
SVP100S2B/96G 96GB Kit of 2 48GB Solid State Drive Kingston SSD/48G-2
SVP100S2B/128G 128GB Kit of 2 64GB Solid State Drive Kingston SSD/64G-2
SVP100S2B/256G 256GB Kit of 2 128GB Solid State Drive Kingston SSD/128G-2
SVP100S2B/512G 512GB Kit of 2 256GB Solid State Drive Kingston SSD/256G-2