What hard drive do i need?

[Guest]

hi,

my hard drive only has 18gb space with nothing on it so i need to buy a new one, i was going for a 320gb one, but i dont know if it will fit and how to check if it will, i have and acer aspire 3610. http://www.dabs.com/products/seagate-320-gb-momentus-7200-4-2-5--5KG0.html?refs=52080000
thats the one im thinking of getting, i dont know if i need a 2.5inch or 3.5inch, please help

 

[evongugg]

Welcome to the forums!

You will need a 2.5" hard drive for a laptop.
You will need to clone your old hard drive to the new one.

 

[evongugg]

Measure the space you have for the hard drive.
Make sure the old one is SATA also.