The Dell Precision Workstation 450 uses DDR DIMM PC2100 266MHz, 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 PC2100 266MHz, ECC PC3200 400MHz
Base Memory 256MB (Removable)
Upgrade Slots 4 Sockets (2 banks of 2)
Maximum Memory 4GB
Maximum Module Size 1GB
CPU & Chipset Intel Xeon 2 GHz Intel E7505 (Placer) Intel Xeon 3.06 GHz Intel E7505 (Placer)
Bus Architecture PCI
Part Number 31.1C3
266MHz 184pin CL3
In Stock
$6.99
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Part Number 31.2C3
266MHz 184pin CL3
In Stock
$6.99
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Part Number 31.5C3
266MHz 184pin CL3
In Stock
$7.99
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Part Number 31.1C3H
266MHz 184pin CL3
In Stock
$9.99
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Part Number 31.2C3H
266MHz 184pin CL3
In Stock
$9.99
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Part Number 311C3
266MHz 184pin CL3
In Stock
$10.99
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Part Number 31.2C3-2
266MHz 184pin CL3
In Stock
$12.99
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Part Number 31.5C3H
266MHz 184pin CL3
In Stock
$12.99
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Part Number 31.5C3-2
266MHz 184pin CL3
In Stock
$15.99
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Part Number 311C3H
266MHz 184pin CL3
In Stock
$17.99
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Part Number 33.1EC3
400MHz 184pin CL3 ECC
In Stock
$18.99
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Part Number 31.2C3-2H
266MHz 184pin CL3
In Stock
$19.99
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Part Number 311C3-2
266MHz 184pin CL3
In Stock
$21.99
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Part Number 31.2C3-4
266MHz 184pin CL3
In Stock
$24.99
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Part Number 31.5C3-2H
266MHz 184pin CL3
In Stock
$24.99
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Part Number 33.1EC3H
400MHz 184pin CL3 ECC
In Stock
$29.99
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Part Number 33.2EC3
400MHz 184pin CL3 ECC
In Stock
$34.99
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Part Number 311C3-2H
266MHz 184pin CL3
In Stock
$34.99
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Part Number 331EC3
400MHz 184pin CL3 ECC
In Stock
$38.99
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Part Number 31.2C3-4H
266MHz 184pin CL3
In Stock
$39.99
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Part Number 33.5EC3
400MHz 184pin CL3 ECC
In Stock
$40.99
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Part Number 311C3-4
266MHz 184pin CL3
In Stock
$43.99
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Part Number 33.2EC3H
400MHz 184pin CL3 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 311C3-4H
266MHz 184pin CL3
In Stock
$69.99
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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 33.2EC3-2H
400MHz 184pin CL3 ECC
In Stock
$109.99
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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 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 331EC3-4H
400MHz 184pin CL3 ECC
In Stock
$249.99
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Part Number 311C3-4
266MHz 184pin CL3
In Stock
$43.99
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Part Number 311C3-4H
266MHz 184pin CL3
In Stock
$69.99
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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 311C3-2
266MHz 184pin CL3
In Stock
$21.99
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Part Number 311C3-2H
266MHz 184pin CL3
In Stock
$34.99
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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 311C3
266MHz 184pin CL3
In Stock
$10.99
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Part Number 31.5C3-2
266MHz 184pin CL3
In Stock
$15.99
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Part Number 311C3H
266MHz 184pin CL3
In Stock
$17.99
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Part Number 31.2C3-4
266MHz 184pin CL3
In Stock
$24.99
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Part Number 31.5C3-2H
266MHz 184pin CL3
In Stock
$24.99
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Part Number 331EC3
400MHz 184pin CL3 ECC
In Stock
$38.99
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Part Number 31.2C3-4H
266MHz 184pin CL3
In Stock
$39.99
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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 33.2EC3-4H
400MHz 184pin CL3 ECC
In Stock
$219.99
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Part Number 31.5C3
266MHz 184pin CL3
In Stock
$7.99
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Part Number 31.2C3-2
266MHz 184pin CL3
In Stock
$12.99
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Part Number 31.5C3H
266MHz 184pin CL3
In Stock
$12.99
View Product
Part Number 31.2C3-2H
266MHz 184pin CL3
In Stock
$19.99
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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 33.2EC3-2H
400MHz 184pin CL3 ECC
In Stock
$109.99
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Part Number 31.2C3
266MHz 184pin CL3
In Stock
$6.99
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Part Number 31.2C3H
266MHz 184pin CL3
In Stock
$9.99
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Part Number 33.2EC3
400MHz 184pin CL3 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 31.1C3
266MHz 184pin CL3
In Stock
$6.99
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Part Number 31.1C3H
266MHz 184pin CL3
In Stock
$9.99
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Part Number 33.1EC3
400MHz 184pin CL3 ECC
In Stock
$18.99
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Part Number 33.1EC3H
400MHz 184pin CL3 ECC
In Stock
$29.99
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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
KTD-WS450/1G 1GB Kit of 2 512MB DDR PC2100 266MHz DIMM Kingston 31.5C3-2
KTD-WS450/2G 2GB Kit of 2 1GB DDR PC2100 266MHz DIMM Kingston 311C3-2
CT566801 1GB DDR PC3200 400MHz ECC DIMM Crucial 331EC3