The MSI Megabook M635 uses DDR SODIMM PC3200 400MHz, 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 SODIMM PC3200 400MHz, PC2700 333MHz
Base Memory 0MB (Removable)
Upgrade Slots 2 Sockets
Maximum Memory 2GB
Maximum Module Size 1GB
CPU & Chipset AMD Turion 64 Mobile ATi RADEON XPRESS 200M (RS480M) AMD Turion 64 Mobile ATi RADEON XPRESS 200M (RS480M)
Bus Architecture PC Card; USB
Part Number 42.1C3
333MHz 200pin CL3
Call to Order
$7.99
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Part Number 42.2C3
333MHz 200pin CL3
In Stock
$10.99
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Part Number 43.2C3
400MHz 200pin CL3
Call to Order
$10.99
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Part Number 42.1C3H
333MHz 200pin CL3
Call to Order
$12.99
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Part Number 42.5C3
333MHz 200pin CL3
In Stock
$12.99
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Part Number 43.5C3
400MHz 200pin CL3
Call to Order
$12.99
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Part Number 421C3
333MHz 200pin CL3
In Stock
$15.99
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Part Number 43.1C3
400MHz 200pin CL3
Call to Order
$15.99
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Part Number 431C3
400MHz 200pin CL3
In Stock
$15.99
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Part Number 42.2C3H
333MHz 200pin CL3
In Stock
$17.99
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Part Number 43.2C3H
400MHz 200pin CL3
Call to Order
$17.99
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Part Number 42.5C3H
333MHz 200pin CL3
In Stock
$19.99
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Part Number 43.5C3H
400MHz 200pin CL3
Call to Order
$19.99
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Part Number 42.2C3-2
333MHz 200pin CL3
In Stock
$21.99
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Part Number 43.2C3-2
400MHz 200pin CL3
Call to Order
$21.99
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Part Number 42.5C3-2
333MHz 200pin CL3
In Stock
$24.99
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Part Number 421C3H
333MHz 200pin CL3
In Stock
$24.99
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Part Number 43.1C3H
400MHz 200pin CL3
Call to Order
$24.99
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Part Number 43.5C3-2
400MHz 200pin CL3
Call to Order
$24.99
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Part Number 431C3H
400MHz 200pin CL3
In Stock
$24.99
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Part Number 421C3-2
333MHz 200pin CL3
In Stock
$30.99
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Part Number 431C3-2
400MHz 200pin CL3
In Stock
$30.99
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Part Number 42.2C3-2H
333MHz 200pin CL3
In Stock
$34.99
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Part Number 43.2C3-2H
400MHz 200pin CL3
Call to Order
$34.99
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Part Number 42.5C3-2H
333MHz 200pin CL3
In Stock
$39.99
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Part Number 43.5C3-2H
400MHz 200pin CL3
Call to Order
$39.99
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Part Number 421C3-2H
333MHz 200pin CL3
In Stock
$49.99
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Part Number 431C3-2H
400MHz 200pin CL3
In Stock
$49.99
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Part Number 421C3-2
333MHz 200pin CL3
In Stock
$30.99
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Part Number 431C3-2
400MHz 200pin CL3
In Stock
$30.99
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Part Number 421C3-2H
333MHz 200pin CL3
In Stock
$49.99
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Part Number 431C3-2H
400MHz 200pin CL3
In Stock
$49.99
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Part Number 421C3
333MHz 200pin CL3
In Stock
$15.99
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Part Number 431C3
400MHz 200pin CL3
In Stock
$15.99
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Part Number 42.5C3-2
333MHz 200pin CL3
In Stock
$24.99
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Part Number 421C3H
333MHz 200pin CL3
In Stock
$24.99
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Part Number 43.5C3-2
400MHz 200pin CL3
Call to Order
$24.99
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Part Number 431C3H
400MHz 200pin CL3
In Stock
$24.99
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Part Number 42.5C3-2H
333MHz 200pin CL3
In Stock
$39.99
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Part Number 43.5C3-2H
400MHz 200pin CL3
Call to Order
$39.99
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Part Number 42.5C3
333MHz 200pin CL3
In Stock
$12.99
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Part Number 43.5C3
400MHz 200pin CL3
Call to Order
$12.99
View Product
Part Number 42.5C3H
333MHz 200pin CL3
In Stock
$19.99
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Part Number 43.5C3H
400MHz 200pin CL3
Call to Order
$19.99
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Part Number 42.2C3-2
333MHz 200pin CL3
In Stock
$21.99
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Part Number 43.2C3-2
400MHz 200pin CL3
Call to Order
$21.99
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Part Number 42.2C3-2H
333MHz 200pin CL3
In Stock
$34.99
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Part Number 43.2C3-2H
400MHz 200pin CL3
Call to Order
$34.99
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Part Number 42.2C3
333MHz 200pin CL3
In Stock
$10.99
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Part Number 43.2C3
400MHz 200pin CL3
Call to Order
$10.99
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Part Number 42.2C3H
333MHz 200pin CL3
In Stock
$17.99
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Part Number 43.2C3H
400MHz 200pin CL3
Call to Order
$17.99
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Part Number 42.1C3
333MHz 200pin CL3
Call to Order
$7.99
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Part Number 42.1C3H
333MHz 200pin CL3
Call to Order
$12.99
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Part Number 43.1C3
400MHz 200pin CL3
Call to Order
$15.99
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Part Number 43.1C3H
400MHz 200pin CL3
Call to Order
$24.99
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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
KVR400X64SC3A/256 256MB DDR PC3200 400MHz SODIMM Kingston 43.2C3
KVR400X64SC3A/512 512MB DDR PC2700 333MHz SODIMM Kingston 42.5C3
KVR400X64SC3A/1G 1GB DDR PC3200 400MHz SODIMM Kingston 431C3