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The best memory upgrades for your Compaq Business Notebook Series 520 Notebook!

We've spent years amassing all the information we need to make sure you get the right memory for your Compaq Business Notebook Series 520 Notebook. We guarantee this memory will work in your machine for the life of your machine. Your Compaq Business Notebook Series 520 supports up to 2 GB in two slots and modules must be installed one at a time.

Some machines sold with lower speed modules. Compatible with upto 667MHz modules. Mixing module speeds will default to the lowest speed. 

  Code OEM DescriptionCapacityKit OfPriceinc VAT 
expand   SoDIMM
1GB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM EM994AA 1021844 EM994AA 1GB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 1GB1 £14.00 £16.80 Buy
512MB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM EM993AA 1021843 EM993AA 512MB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 512MB1 £10.00 £12.00 Buy
256MB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 10375 1021842 10375 256MB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 256MB1 £0.00 £0.00 Call us

More information about this machine

Detailed machine info

Some machines sold with lower speed modules. Compatible with upto 667MHz modules. Mixing module speeds will default to the lowest speed.

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 Business Notebook Series 520 machine
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