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What does "6473 6474 6475-xxx" mean in "Lenovo ThinkPad T400 6473 6474 6475-xxx", in the name of a RAM product here (http://www.amazon.com/dp/B00A8NX3CQ/)?

How shall I know if my T400 belong to which of "6473 6474 6475-xxx"? My OS is Ubuntu 12.04. The bottom of my laptop says

Product ID: 2764CTO

Type-Model: 2764-CTO

So does it not belong to " T400 6473 6474 6475-xxx"?

Thanks!

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1 Answer 1

up vote 2 down vote accepted

The "type" on a Lenovo Thinkpad is a 4 digit number that is a unique identifier for the hardware specifications in the laptop. For example, a laptop that has 8GB of RAM and one that only has 4GB could have a different 4 digit identifier. The "CTO" is an acronym for "custom to order" which basically means you picked what parts you want in the computer rather than getting a base model or one of the official Lenovo packages.

The T400 will take up to 8GB of DDR3 RAM I believe.

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