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The best memory upgrades for your Compaq Presario Notebook R Series R4221EA Notebook!

We've spent years amassing all the information we need to make sure you get the right memory for your Compaq Presario Notebook R Series R4221EA Notebook. We guarantee this memory will work in your machine for the life of your machine. Your Compaq Presario Notebook R Series R4221EA supports up to 2 GB in two slots and modules must be installed one at a time.

 

  Code OEM DescriptionCapacityKit OfPriceinc VAT 
expand   SoDIMM
1GB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P DC890B 2382683 DC890B 1GB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P 1GB1 £48.40 £58.08 Buy
512MB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P DC390B 2382682 DC390B 512MB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P 512MB1 £17.04 £20.45 Buy
256MB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P DC389B 2382681 DC389B 256MB 2.5V DDR 200pin PC333 x64 SODIMM 200pin DDR P 256MB1 £10.43 £12.52 Buy

More information about this machine

Detailed machine info

Is base memory removeable?y
Number of memory slots2
Number of memory banks2
Number of modules per bank1
Maximum installable memory2

Original Memory Configuration

more about your Compaq Presario Notebook R Series R4221EA machine
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