but it will give you separate additional storage as a separate drive. You might also be able to install a larger drive in place of the 20GB internal and also add an external drive for backup.
Hard disk drives (HDDs) are relatively inexpensive and a 60GB, 80GB or 120GB may not be that much more than a 20GBs HDD. See products and prices at the link below.
http://www.newegg.com/Store/SubCategory.aspx?SubCategory=380&name=Laptop-Hard-Drives
VAPCMD
My old laptop has a 20GB hard drive- if I purchase a portable
drive, will this automatically increase the capacity of my
old hard drive by the portable hard drive's capacity??

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