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The best memory upgrades for your Compaq Presario Notebook C CQ4 Series CQ40-123AX 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 CQ4 Series CQ40-123AX Notebook. We guarantee this memory will work in your machine for the life of your machine. Your Compaq Presario Notebook C CQ4 Series CQ40-123AX supports up to 8 GB in two slots and modules must be installed one at a time.

Install in matched pairs to utilize Dual Channel mode. Compatible with upto 800MHz modules. Mixing module speeds will default to the lowest speed. Installing more than 4GB of memory will require a 64-bit Operating System. 

	Code	OEM	Description	Capacity	Kit Of	Price	inc VAT
SoDIMM
	1078793	14099	4GB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 240pin DD	4GB	1	£98.57	£118.28	Buy
	1078792	482169-001	2GB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 240pin DD	2GB	1	£27.86	£33.43	Buy
	1078791	482168-001	1GB 200PIN 677MHZ 64BIT NP DDR-2 SODIMM 240pin DD	1GB	1	£12.40	£14.88	Buy

More information about this machine

Detailed machine info Install in matched pairs to utilize Dual Channel mode. Compatible with upto 800MHz modules. Mixing module speeds will default to the lowest speed. Installing more than 4GB of memory will require a 64-bit Operating System. Is base memory removeable? y Number of memory slots 2 Number of memory banks 2 Number of modules per bank 1 Maximum installable memory 8

Original Memory Configuration

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