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The best memory upgrades for your IBM Thinkpad T Series T400 (Type 7420) Notebook!

We've spent years amassing all the information we need to make sure you get the right memory for your IBM Thinkpad T Series T400 (Type 7420) Notebook. We guarantee this memory will work in your machine for the life of your machine. Your IBM Thinkpad T Series T400 (Type 7420) 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. Installing more than 4GB of memory will require a 64-bit Operating System. 

	Code	OEM	Description	Capacity	Kit Of	Price	inc VAT
SoDIMM
	952400	14192	4GB 204-pin DDR3 SoDIMM Non-ECC PC3-8500	4GB	1	£37.86	£45.43	Buy
	535709	43R1988	2GB 204-pin DDR3 SoDIMM PC3-10600 1333MHz	2GB	1	£19.29	£23.15	Buy
	535708	43R1987	1GB 204-pin DDR3 SoDIMM Non-ECC PC3-8500	1GB	1	£12.43	£14.92	Buy

More information about this machine

Detailed machine info Install in matched pairs to utilize Dual Channel mode. 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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