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The best memory upgrades for your Compaq Presario Notebook C Series C742ES Notebook!

We've spent years amassing all the information we need to make sure you get the right memory for your Compaq Presario Notebook C Series C742ES Notebook. We guarantee this memory will work in your machine for the life of your machine. Your Compaq Presario Notebook C Series C742ES supports up to 2 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
1GB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 454921-001 1078178 454921-001 1GB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 1GB1 £14.00 £16.80 Buy
512MB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 454920-001 1078177 454920-001 512MB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 512MB1 £10.00 £12.00 Buy
256MB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 10375 1078176 10375 256MB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 256MB1 £0.00 £0.00 Call us

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 memory2

Original Memory Configuration

more about your Compaq Presario Notebook C Series C742ES machine
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