The Cisco MCS 7815 Series 7815-I1 uses DDR DIMM ECC REG PC3200 400MHz, ECC PC3200 400MHz 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 REG PC3200 400MHz, ECC PC3200 400MHz
Base Memory 1GB (Removable)
Upgrade Slots 4 Sockets
Maximum Memory 4GB
Maximum Module Size 1GB
CPU & Chipset Intel Pentium 4 3.06 GHz
Bus Architecture ~
Part Number 33.1EC3
400MHz 184pin CL3 ECC
In Stock
$18.99
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Part Number 33.1ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$21.99
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Part Number 331ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$23.99
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Part Number 33.1EC3H
400MHz 184pin CL3 ECC
In Stock
$29.99
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Part Number 33/64mEC3
400MHz 184pin CL3 ECC
Call to Order
$30.99
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Part Number 33/64mERC3
400MHz 184pin CL3 Registered ECC
Call to Order
$30.99
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Part Number 33.1ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$34.99
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Part Number 33.2EC3
400MHz 184pin CL3 ECC
In Stock
$34.99
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Part Number 33.2ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$34.99
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Part Number 331ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$37.99
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Part Number 331EC3
400MHz 184pin CL3 ECC
In Stock
$38.99
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Part Number 33.5EC3
400MHz 184pin CL3 ECC
In Stock
$40.99
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Part Number 331ERC3-2
400MHz 184pin CL3 Registered ECC
In Stock
$46.99
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Part Number 33/64mEC3H
400MHz 184pin CL3 ECC
Call to Order
$49.99
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Part Number 33/64mERC3H
400MHz 184pin CL3 Registered ECC
Call to Order
$49.99
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Part Number 33.2EC3H
400MHz 184pin CL3 ECC
In Stock
$54.99
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Part Number 33.2ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$54.99
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Part Number 331EC3H
400MHz 184pin CL3 ECC
In Stock
$62.99
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Part Number 33.5EC3H
400MHz 184pin CL3 ECC
In Stock
$64.99
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Part Number 33.2EC3-2
400MHz 184pin CL3 ECC
In Stock
$68.99
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Part Number 33.2ERC3-2
400MHz 184pin CL3 Registered ECC
In Stock
$68.99
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Part Number 331ERC3-2H
400MHz 184pin CL3 Registered ECC
In Stock
$74.99
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Part Number 33.5ERC3
400MHz 184pin CL3 Registered ECC
Call to Order
$77.99
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Part Number 331EC3-2
400MHz 184pin CL3 ECC
In Stock
$77.99
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Part Number 33.5EC3-2
400MHz 184pin CL3 ECC
In Stock
$80.99
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Part Number 331ERC3-4
400MHz 184pin CL3 Registered ECC
In Stock
$92.99
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Part Number 33.2EC3-2H
400MHz 184pin CL3 ECC
In Stock
$109.99
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Part Number 33.2ERC3-2H
400MHz 184pin CL3 Registered ECC
In Stock
$109.99
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Part Number 33.5ERC3H
400MHz 184pin CL3 Registered ECC
Call to Order
$124.99
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Part Number 331EC3-2H
400MHz 184pin CL3 ECC
In Stock
$124.99
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Part Number 33.5EC3-2H
400MHz 184pin CL3 ECC
In Stock
$129.99
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Part Number 33.2EC3-4
400MHz 184pin CL3 ECC
In Stock
$136.99
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Part Number 33.2ERC3-4
400MHz 184pin CL3 Registered ECC
In Stock
$136.99
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Part Number 331ERC3-4H
400MHz 184pin CL3 Registered ECC
In Stock
$149.99
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Part Number 33.5ERC3-2
400MHz 184pin CL3 Registered ECC
Call to Order
$154.99
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Part Number 331EC3-4
400MHz 184pin CL3 ECC
In Stock
$154.99
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Part Number 33.2EC3-4H
400MHz 184pin CL3 ECC
In Stock
$219.99
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Part Number 33.2ERC3-4H
400MHz 184pin CL3 Registered ECC
In Stock
$219.99
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Part Number 33.5ERC3-2H
400MHz 184pin CL3 Registered ECC
Call to Order
$249.99
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Part Number 331EC3-4H
400MHz 184pin CL3 ECC
In Stock
$249.99
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Part Number 331ERC3-4
400MHz 184pin CL3 Registered ECC
In Stock
$92.99
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Part Number 331ERC3-4H
400MHz 184pin CL3 Registered ECC
In Stock
$149.99
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Part Number 331EC3-4
400MHz 184pin CL3 ECC
In Stock
$154.99
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Part Number 331EC3-4H
400MHz 184pin CL3 ECC
In Stock
$249.99
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Part Number 331ERC3-2
400MHz 184pin CL3 Registered ECC
In Stock
$46.99
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Part Number 331ERC3-2H
400MHz 184pin CL3 Registered ECC
In Stock
$74.99
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Part Number 331EC3-2
400MHz 184pin CL3 ECC
In Stock
$77.99
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Part Number 331EC3-2H
400MHz 184pin CL3 ECC
In Stock
$124.99
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Part Number 331ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$23.99
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Part Number 331ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$37.99
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Part Number 331EC3
400MHz 184pin CL3 ECC
In Stock
$38.99
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Part Number 331EC3H
400MHz 184pin CL3 ECC
In Stock
$62.99
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Part Number 33.5EC3-2
400MHz 184pin CL3 ECC
In Stock
$80.99
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Part Number 33.5EC3-2H
400MHz 184pin CL3 ECC
In Stock
$129.99
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Part Number 33.2EC3-4
400MHz 184pin CL3 ECC
In Stock
$136.99
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Part Number 33.2ERC3-4
400MHz 184pin CL3 Registered ECC
In Stock
$136.99
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Part Number 33.5ERC3-2
400MHz 184pin CL3 Registered ECC
Call to Order
$154.99
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Part Number 33.2EC3-4H
400MHz 184pin CL3 ECC
In Stock
$219.99
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Part Number 33.2ERC3-4H
400MHz 184pin CL3 Registered ECC
In Stock
$219.99
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Part Number 33.5ERC3-2H
400MHz 184pin CL3 Registered ECC
Call to Order
$249.99
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Part Number 33.5EC3
400MHz 184pin CL3 ECC
In Stock
$40.99
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Part Number 33.5EC3H
400MHz 184pin CL3 ECC
In Stock
$64.99
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Part Number 33.2EC3-2
400MHz 184pin CL3 ECC
In Stock
$68.99
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Part Number 33.2ERC3-2
400MHz 184pin CL3 Registered ECC
In Stock
$68.99
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Part Number 33.5ERC3
400MHz 184pin CL3 Registered ECC
Call to Order
$77.99
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Part Number 33.2EC3-2H
400MHz 184pin CL3 ECC
In Stock
$109.99
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Part Number 33.2ERC3-2H
400MHz 184pin CL3 Registered ECC
In Stock
$109.99
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Part Number 33.5ERC3H
400MHz 184pin CL3 Registered ECC
Call to Order
$124.99
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Part Number 33.2EC3
400MHz 184pin CL3 ECC
In Stock
$34.99
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Part Number 33.2ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$34.99
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Part Number 33.2EC3H
400MHz 184pin CL3 ECC
In Stock
$54.99
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Part Number 33.2ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$54.99
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Part Number 33.1EC3
400MHz 184pin CL3 ECC
In Stock
$18.99
View Product
Part Number 33.1ERC3
400MHz 184pin CL3 Registered ECC
In Stock
$21.99
View Product
Part Number 33.1EC3H
400MHz 184pin CL3 ECC
In Stock
$29.99
View Product
Part Number 33.1ERC3H
400MHz 184pin CL3 Registered ECC
In Stock
$34.99
View Product
Part Number 33/64mEC3
400MHz 184pin CL3 ECC
Call to Order
$30.99
View Product
Part Number 33/64mERC3
400MHz 184pin CL3 Registered ECC
Call to Order
$30.99
View Product
Part Number 33/64mEC3H
400MHz 184pin CL3 ECC
Call to Order
$49.99
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Part Number 33/64mERC3H
400MHz 184pin CL3 Registered ECC
Call to Order
$49.99
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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
D6472D30A 512MB DDR PC3200 400MHz ECC REG DIMM Kingston 33.5ERC3
D12872D30A 1GB DDR PC3200 400MHz ECC DIMM Kingston 331EC3