The eMachines eMachines W1640 uses DDR DIMM PC2100 266MHz, 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 PC2100 266MHz, PC2700 333MHz
Base Memory 128MB (Removable) or 256MB (Removable)
Upgrade Slots 2 Sockets
Maximum Memory 2GB
Maximum Module Size 1GB
CPU & Chipset AMD Athlon XP 1600 MHz VIA ProSavageDDR KM266 (VT8375)
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 32.1C3
333MHz 184pin CL3
In Stock
$6.99
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Part Number 32.2C3
333MHz 184pin CL3
In Stock
$6.99
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Part Number 31.5C2/5
266MHz 184pin CL2.5
In Stock
$7.99
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Part Number 31.5C3
266MHz 184pin CL3
In Stock
$7.99
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Part Number 32.5C3
333MHz 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 32.1C3H
333MHz 184pin CL3
In Stock
$9.99
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Part Number 32.2C3H
333MHz 184pin CL3
In Stock
$9.99
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Part Number 311C2/5
266MHz 184pin CL2.5
In Stock
$10.99
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Part Number 311C3
266MHz 184pin CL3
In Stock
$10.99
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Part Number 321C3
333MHz 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 31.5C2/5H
266MHz 184pin CL2.5
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 32.2C3-2
333MHz 184pin CL3
In Stock
$12.99
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Part Number 32.5C3H
333MHz 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 32.5C3-2
333MHz 184pin CL3
In Stock
$15.99
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Part Number 311C2/5H
266MHz 184pin CL2.5
In Stock
$17.99
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Part Number 311C3H
266MHz 184pin CL3
In Stock
$17.99
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Part Number 321C3H
333MHz 184pin CL3
In Stock
$17.99
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Part Number 31.2C3-2H
266MHz 184pin CL3
In Stock
$19.99
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Part Number 32.2C3-2H
333MHz 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 321C3-2
333MHz 184pin CL3
In Stock
$21.99
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Part Number 31.5C3-2H
266MHz 184pin CL3
In Stock
$24.99
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Part Number 32.5C3-2H
333MHz 184pin CL3
In Stock
$24.99
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Part Number 311C3-2H
266MHz 184pin CL3
In Stock
$34.99
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Part Number 321C3-2H
333MHz 184pin CL3
In Stock
$34.99
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Part Number 311C3-2
266MHz 184pin CL3
In Stock
$21.99
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Part Number 321C3-2
333MHz 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 321C3-2H
333MHz 184pin CL3
In Stock
$34.99
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Part Number 311C2/5
266MHz 184pin CL2.5
In Stock
$10.99
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Part Number 311C3
266MHz 184pin CL3
In Stock
$10.99
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Part Number 321C3
333MHz 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 32.5C3-2
333MHz 184pin CL3
In Stock
$15.99
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Part Number 311C2/5H
266MHz 184pin CL2.5
In Stock
$17.99
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Part Number 311C3H
266MHz 184pin CL3
In Stock
$17.99
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Part Number 321C3H
333MHz 184pin CL3
In Stock
$17.99
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Part Number 31.5C3-2H
266MHz 184pin CL3
In Stock
$24.99
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Part Number 32.5C3-2H
333MHz 184pin CL3
In Stock
$24.99
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Part Number 31.5C2/5
266MHz 184pin CL2.5
In Stock
$7.99
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Part Number 31.5C3
266MHz 184pin CL3
In Stock
$7.99
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Part Number 32.5C3
333MHz 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 31.5C2/5H
266MHz 184pin CL2.5
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 32.2C3-2
333MHz 184pin CL3
In Stock
$12.99
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Part Number 32.5C3H
333MHz 184pin CL3
In Stock
$12.99
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Part Number 31.2C3-2H
266MHz 184pin CL3
In Stock
$19.99
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Part Number 32.2C3-2H
333MHz 184pin CL3
In Stock
$19.99
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Part Number 31.2C3
266MHz 184pin CL3
In Stock
$6.99
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Part Number 32.2C3
333MHz 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 32.2C3H
333MHz 184pin CL3
In Stock
$9.99
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Part Number 31.1C3
266MHz 184pin CL3
In Stock
$6.99
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Part Number 32.1C3
333MHz 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 32.1C3H
333MHz 184pin CL3
In Stock
$9.99
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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
KVR266X64C25/512 512MB DDR PC2100 266MHz DIMM Kingston 31.5C2/5
KVR266X64C25/1G 1GB DDR PC2100 266MHz DIMM Kingston 311C2/5
CT524229 1GB DDR PC2700 333MHz DIMM Crucial 321C3