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The best memory upgrades for your Compaq Business Notebook Series 550 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 550 Notebook. We guarantee this memory will work in your machine for the life of your machine. Your Compaq Business Notebook Series 550 supports up to 4 GB in two slots and modules must be installed one at a time.

Install in matched pairs to utilize Dual Channel mode. 

  Code OEM DescriptionCapacityKit OfPriceinc VAT 
expand   SoDIMM
2GB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM EM995AA 1021855 EM995AA 2GB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 2GB1 £27.86 £33.43 Buy
1GB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM EM994AA 1021854 EM994AA 1GB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 1GB1 £14.00 £16.80 Buy
512MB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM EM993AA 1021856 EM993AA 512MB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 512MB1 £10.00 £12.00 Buy

More information about this machine

Detailed machine info

Install in matched pairs to utilize Dual Channel mode.

Is base memory removeable?y
Number of memory slots2
Number of memory banks2
Number of modules per bank1
Maximum installable memory4

Original Memory Configuration

more about your Compaq Business Notebook Series 550 machine
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