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I got a dell inspiron 1501 laptop with a 80Gb sata drive what is the best solution to add data storage space for someone that love to have multiples operating systems at hand ...

Note: I use mostly linux so I won't need to change my laptop for many years maybe ...

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You will need to consider how big is the largest disk supported by the BIOS. – David Segonds Jan 25 '10 at 15:05
up vote 4 down vote accepted

Highly recommended that you buy an upgraded internal drive unless you need more than 1 tb which is the biggest 2.5 drive out there. You will not only get the convenience of internal storage, but get a speed boost at the same time.

5400rpm 640gb

7200rpm 500gb

An external drive would require you to carry it with you if you need it. However, you would not be limited on hard drive sizes. Also, do you use virtual machines or do you have a multiple OS boot system? There was 750 and 1 tb versions announced by WD: and I am currently trying to find someone selling them.

Official WD site for the 2.5inch 1tb drive:

Here is one for sale:

I believe the 1tb/750 drives are 12.5mm height drives though, so you would need to check the specs of the laptop to make sure it can take the thicker drives. Otherwise you will need to stick to the 9.5mm height drives like that 640 or 500's are available in.

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Do both...

Get an 2.5" external drive, and then place the new larger one in the laptop and switch the old one out to the external enclosure. You can never back up your stuff too much!

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