The IBM/Lenovo System x3250 M3 (Xeon) 4251, 4252, 4261-xxx uses DDR3 DIMM ECC REG PC3-10600 1333MHz, ECC PC3-10600 1333MHz, ECC REG PC3-8500 1066MHz 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 DDR3 DIMM ECC REG PC3-10600 1333MHz, ECC PC3-10600 1333MHz, ECC REG PC3-8500 1066MHz
Base Memory 2GB (Removable)
Upgrade Slots 6 Socket(s)
Maximum Memory 16GB ECC UDIMMs 32GB Reg ECC RDIMMs
Maximum Module Size
CPU & Chipset ~
Bus Architecture PCI Express; PCI-X; SSD - SATA 2.5-inch 9.5mm; SSD - SATA 3.5-inch
Notes Important: Due to chipset limitations on the Intel Xeon 34xx processors the following rules apply: Unbuffered ECC DIMMs are limited to TWO Dual Channel banks (4 DIMMs) per processor Only four Quad Rank modules are supported, two Quad Rank modules per bank When two Quad Rank modules are installed per bank, the processor will automatically clock them down to 800MHz. This system supports either Registered ECC or Unbuffered ECC memory. Mixing Registered ECC and Unbuffered ECC modules is not supported within this system.
Manufacturer Part Numbers
  • 4251-xxx
  • 4252-xxx
  • 4261-xxx
Part Number 824ERTC9
1333MHz 240pin CL9 Registered Thermal Sensor ECC
In Stock
$30.99
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Part Number 824ERLVTC9
1333MHz 240pin CL9 Registered Low Power Thermal Sensor ECC
In Stock
$41.99
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Part Number 824EC9
1333MHz 240pin CL9 ECC
In Stock
$46.99
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Part Number 822ERSTC9
1333MHz 240pin CL9 Registered Single Rank Thermal Sensor ECC
In Stock
$48.99
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Part Number 822ESC9
1333MHz 240pin CL9 Single Rank ECC
In Stock
$48.99
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Part Number 824ERTC9H
1333MHz 240pin CL9 Registered Thermal Sensor ECC
In Stock
$49.99
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Part Number 824ERLVTC9H
1333MHz 240pin CL9 Registered Low Power Thermal Sensor ECC
In Stock
$67.99
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Part Number 824EC9H
1333MHz 240pin CL9 ECC
In Stock
$74.99
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Part Number 822ERSTC9H
1333MHz 240pin CL9 Registered Single Rank Thermal Sensor ECC
In Stock
$77.99
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Part Number 822ESC9H
1333MHz 240pin CL9 Single Rank ECC
In Stock
$77.99
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Part Number 818ERQTC9
1066MHz 240pin CL9 Registered Quad Rank Thermal Sensor ECC
In Stock
$92.99
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Part Number SSD/80G
Call to Order
$123.99
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Part Number 818ERQTC9H
1066MHz 240pin CL9 Registered Quad Rank Thermal Sensor ECC
In Stock
$149.99
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Part Number SSD/80GH
Call to Order
$199.99
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Part Number SSD/240G
Call to Order
$371.99
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Part Number SSD/240GH
Call to Order
$599.99
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Part Number SSD/400G
Call to Order
$619.99
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Part Number SSD/400GH
Call to Order
$999.99
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Part Number 818ERQTC9
1066MHz 240pin CL9 Registered Quad Rank Thermal Sensor ECC
In Stock
$92.99
View Product
Part Number 818ERQTC9H
1066MHz 240pin CL9 Registered Quad Rank Thermal Sensor ECC
In Stock
$149.99
View Product
Part Number 824ERTC9
1333MHz 240pin CL9 Registered Thermal Sensor ECC
In Stock
$30.99
View Product
Part Number 824ERLVTC9
1333MHz 240pin CL9 Registered Low Power Thermal Sensor ECC
In Stock
$41.99
View Product
Part Number 824EC9
1333MHz 240pin CL9 ECC
In Stock
$46.99
View Product
Part Number 824ERTC9H
1333MHz 240pin CL9 Registered Thermal Sensor ECC
In Stock
$49.99
View Product
Part Number 824ERLVTC9H
1333MHz 240pin CL9 Registered Low Power Thermal Sensor ECC
In Stock
$67.99
View Product
Part Number 824EC9H
1333MHz 240pin CL9 ECC
In Stock
$74.99
View Product
Part Number 822ERSTC9
1333MHz 240pin CL9 Registered Single Rank Thermal Sensor ECC
In Stock
$48.99
View Product
Part Number 822ESC9
1333MHz 240pin CL9 Single Rank ECC
In Stock
$48.99
View Product
Part Number 822ERSTC9H
1333MHz 240pin CL9 Registered Single Rank Thermal Sensor ECC
In Stock
$77.99
View Product
Part Number 822ESC9H
1333MHz 240pin CL9 Single Rank ECC
In Stock
$77.99
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
KTM-SX313S/2G 2GB DDR3 PC3-10600 1333MHz ECC REG Single Rank Thermal Sensor DIMM Kingston 822ERSTC9
KTM-SX313ES/2G 2GB DDR3 PC3-10600 1333MHz ECC Single Rank DIMM Kingston 822ESC9
KTM-SX3138/4G 4GB DDR3 PC3-10600 1333MHz ECC REG Thermal Sensor DIMM Kingston 824ERTC9
KTM-SX313E/4G 4GB DDR3 PC3-10600 1333MHz ECC DIMM Kingston 824EC9
KTM-SX310Q8/8G 8GB DDR3 PC3-8500 1066MHz ECC REG Quad Rank Thermal Sensor DIMM Kingston 818ERQTC9
KTM-SX3138LV/4G 4GB DDR3 PC3-10600 1333MHz ECC REG Low Power Thermal Sensor DIMM Kingston 824ERLVTC9
SKC300S37A/480G 80GB Solid State Drive Kingston SSD/80G
SKC300S3B7A/480G 480GB Kit of 2 240GB Solid State Drive Kingston SSD/240G-2
SKC300S37A/240G 240GB Solid State Drive Kingston SSD/240G
SE50S37/480G 80GB Solid State Drive Kingston SSD/80G
SE100S37/400G 400GB Solid State Drive Kingston SSD/400G
SE50S37/240G 240GB Solid State Drive Kingston SSD/240G