The IBM/Lenovo eServer pSeries 630 (7028-6C4/6E4) uses DDR DIMM ECC PC2100 266MHz 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 DDR DIMM ECC PC2100 266MHz
Base Memory 1GB (Removable)
Upgrade Slots 8 Sockets (2 banks of 4) per processor card 2 Slots for processor cards
Maximum Memory 16GB 1- or 2-way system (one processor card) 32GB 4-way system (two processor cards)
Maximum Module Size 2GB
CPU & Chipset IBM POWER4
Bus Architecture PCI
Manufacturer Part Numbers
  • 7028-6C4
  • 7028-6E4
Part Number 31.1EC3
266MHz 184pin CL3 ECC
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$30.99
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Part Number 31.2EC3
266MHz 184pin CL3 ECC
Call to Order
$34.99
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Part Number 311EC3
266MHz 184pin CL3 ECC
In Stock
$38.99
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Part Number 31.5EC3
266MHz 184pin CL3 ECC
Call to Order
$40.99
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Part Number 312EC3
266MHz 184pin CL3 ECC
Call to Order
$46.99
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Part Number 31.1EC3H
266MHz 184pin CL3 ECC
Call to Order
$49.99
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Part Number 31.2EC3H
266MHz 184pin CL3 ECC
Call to Order
$54.99
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Part Number 311EC3H
266MHz 184pin CL3 ECC
In Stock
$62.99
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Part Number 31.5EC3H
266MHz 184pin CL3 ECC
Call to Order
$64.99
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Part Number 31.2EC3-2
266MHz 184pin CL3 ECC
Call to Order
$68.99
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Part Number 312EC3H
266MHz 184pin CL3 ECC
Call to Order
$74.99
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Part Number 311EC3-2
266MHz 184pin CL3 ECC
In Stock
$77.99
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Part Number 31.5EC3-2
266MHz 184pin CL3 ECC
Call to Order
$80.99
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Part Number 31.2EC3-2H
266MHz 184pin CL3 ECC
Call to Order
$109.99
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Part Number 311EC3-2H
266MHz 184pin CL3 ECC
In Stock
$124.99
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Part Number 31.5EC3-2H
266MHz 184pin CL3 ECC
Call to Order
$129.99
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Part Number 31.2EC3-4
266MHz 184pin CL3 ECC
Call to Order
$136.99
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Part Number 311EC3-4
266MHz 184pin CL3 ECC
In Stock
$154.99
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Part Number 31.2EC3-4H
266MHz 184pin CL3 ECC
Call to Order
$219.99
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Part Number 311EC3-4H
266MHz 184pin CL3 ECC
In Stock
$249.99
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Part Number 311EC3-4
266MHz 184pin CL3 ECC
In Stock
$154.99
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Part Number 311EC3-4H
266MHz 184pin CL3 ECC
In Stock
$249.99
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Part Number 312EC3
266MHz 184pin CL3 ECC
Call to Order
$46.99
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Part Number 312EC3H
266MHz 184pin CL3 ECC
Call to Order
$74.99
View Product
Part Number 311EC3-2
266MHz 184pin CL3 ECC
In Stock
$77.99
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Part Number 311EC3-2H
266MHz 184pin CL3 ECC
In Stock
$124.99
View Product
Part Number 311EC3
266MHz 184pin CL3 ECC
In Stock
$38.99
View Product
Part Number 311EC3H
266MHz 184pin CL3 ECC
In Stock
$62.99
View Product
Part Number 31.5EC3-2
266MHz 184pin CL3 ECC
Call to Order
$80.99
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Part Number 31.5EC3-2H
266MHz 184pin CL3 ECC
Call to Order
$129.99
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Part Number 31.2EC3-4
266MHz 184pin CL3 ECC
Call to Order
$136.99
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Part Number 31.2EC3-4H
266MHz 184pin CL3 ECC
Call to Order
$219.99
View Product
Part Number 31.5EC3
266MHz 184pin CL3 ECC
Call to Order
$40.99
View Product
Part Number 31.5EC3H
266MHz 184pin CL3 ECC
Call to Order
$64.99
View Product
Part Number 31.2EC3-2
266MHz 184pin CL3 ECC
Call to Order
$68.99
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Part Number 31.2EC3-2H
266MHz 184pin CL3 ECC
Call to Order
$109.99
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Part Number 31.2EC3
266MHz 184pin CL3 ECC
Call to Order
$34.99
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Part Number 31.2EC3H
266MHz 184pin CL3 ECC
Call to Order
$54.99
View Product
Part Number 31.1EC3
266MHz 184pin CL3 ECC
Call to Order
$30.99
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Part Number 31.1EC3H
266MHz 184pin CL3 ECC
Call to Order
$49.99
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-P630/1G 1GB Kit of 4 256MB DDR PC2100 266MHz ECC REG 208pin DIMM Kingston OP32.2ERC2/5-4
KTM-P630/2G 2GB Kit of 4 512MB DDR PC2100 266MHz ECC REG 208pin DIMM Kingston OP32.5ERC2/5-4
KTM-P630/4G 4GB Kit of 4 1GB DDR PC2100 266MHz ECC REG 208pin DIMM Kingston OP321ERC2/5-4
KTM-P630/8G 8GB Kit of 4 2GB DDR PC2100 266MHz ECC DIMM Kingston 312EC3-4