The Cisco ASA 5500 Series 5540 uses DDR DIMM ECC PC2700 333MHz 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 PC2700 333MHz
Base Memory 512MB (Removable) or 1GB (Removable)
Upgrade Slots 4 Sockets DRAM
Maximum Memory 2GB
Maximum Module Size 512MB
CPU & Chipset Intel Celeron 2 GHz
Bus Architecture ~
Manufacturer Part Numbers
  • ASA5540-AIP20-K9
  • ASA5540-AIP40-K9
  • ASA5540-BUN-K9
Part Number 32.1EC3
333MHz 184pin CL3 ECC
In Stock
$23.99
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Part Number 32.2EC3
333MHz 184pin CL3 ECC
Call to Order
$34.99
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Part Number 32.1EC3H
333MHz 184pin CL3 ECC
In Stock
$37.99
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Part Number 32.5EC3
333MHz 184pin CL3 ECC
Call to Order
$40.99
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Part Number 32.2EC3H
333MHz 184pin CL3 ECC
Call to Order
$54.99
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Part Number 32.5EC3H
333MHz 184pin CL3 ECC
Call to Order
$64.99
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Part Number 32.2EC3-2
333MHz 184pin CL3 ECC
Call to Order
$68.99
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Part Number 32.5EC3-2
333MHz 184pin CL3 ECC
Call to Order
$80.99
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Part Number 32/64mEC3
333MHz 184pin CL3 ECC
Call to Order
$100.99
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Part Number 32.2EC3-2H
333MHz 184pin CL3 ECC
Call to Order
$109.99
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Part Number 32.5EC3-2H
333MHz 184pin CL3 ECC
Call to Order
$129.99
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Part Number 32.2EC3-4
333MHz 184pin CL3 ECC
Call to Order
$136.99
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Part Number 32/64mEC3H
333MHz 184pin CL3 ECC
Call to Order
$162.99
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Part Number 32.2EC3-4H
333MHz 184pin CL3 ECC
Call to Order
$219.99
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Part Number 32.5EC3-2
333MHz 184pin CL3 ECC
Call to Order
$80.99
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Part Number 32.5EC3-2H
333MHz 184pin CL3 ECC
Call to Order
$129.99
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Part Number 32.2EC3-4
333MHz 184pin CL3 ECC
Call to Order
$136.99
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Part Number 32.2EC3-4H
333MHz 184pin CL3 ECC
Call to Order
$219.99
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Part Number 32.5EC3
333MHz 184pin CL3 ECC
Call to Order
$40.99
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Part Number 32.5EC3H
333MHz 184pin CL3 ECC
Call to Order
$64.99
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Part Number 32.2EC3-2
333MHz 184pin CL3 ECC
Call to Order
$68.99
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Part Number 32.2EC3-2H
333MHz 184pin CL3 ECC
Call to Order
$109.99
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Part Number 32.2EC3
333MHz 184pin CL3 ECC
Call to Order
$34.99
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Part Number 32.2EC3H
333MHz 184pin CL3 ECC
Call to Order
$54.99
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Part Number 32.1EC3
333MHz 184pin CL3 ECC
In Stock
$23.99
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Part Number 32.1EC3H
333MHz 184pin CL3 ECC
In Stock
$37.99
View Product
Part Number 32/64mEC3
333MHz 184pin CL3 ECC
Call to Order
$100.99
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Part Number 32/64mEC3H
333MHz 184pin CL3 ECC
Call to Order
$162.99
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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
KCS-D3825/512 512MB DDR PC2700 333MHz ECC DIMM Kingston 32.5EC3