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The best memory upgrades for your Compaq Pavilion Notebook D Series dv4221TX Notebook!

We've spent years amassing all the information we need to make sure you get the right memory for your Compaq Pavilion Notebook D Series dv4221TX Notebook. We guarantee this memory will work in your machine for the life of your machine. Your Compaq Pavilion Notebook D Series dv4221TX 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 200PIN 533MHZ 64BIT NP DDR-2 SODIMM 240pin DD 403898-001 1054003 403898-001 1GB 200PIN 533MHZ 64BIT NP DDR-2 SODIMM 240pin DD 1GB1 £14.00 £16.80 Buy
512MB 200PIN 533MHZ 64BIT NP DDR-2 SODIMM 240pin DD 403897-001 1054002 403897-001 512MB 200PIN 533MHZ 64BIT NP DDR-2 SODIMM 240pin DD 512MB1 £7.44 £8.93 Buy
256MB 200PIN 533MHZ 64BIT NP DDR-2 SODIMM 240pin DD 403896-001 1054001 403896-001 256MB 200PIN 533MHZ 64BIT NP DDR-2 SODIMM 240pin DD 256MB1 £5.00 £6.00 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 Pavilion Notebook D Series dv4221TX machine
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