That 128GB drive is actually an SSD not a Hard Drive and no it isn't possible to replace the internal drive in a mac
The current range of MacBook Pros offer a choice of 250GB, 320GB, or 500GB 5400-rpm Serial ATA hard drive; with options for 320GB or 500GB 7200-rpm hard drive, or 128GB or 256GB solid-state drives.
Apple sells only only one version of the Macbook Pro 15". You can upgrade the processor, ram, hard drive, and display if you wish. If you are using this Macbook as a student, I would recommend you get the Macbook Pro 13" base model and save yourself $600. It is all a student will need. However if you are looking for the best laptop you can get for your own use then the 15" is the best of the best. Unless you are doing graphics and or video editing you have no need to upgrade it. Only you know what you need.
An 11 inch costs $999. A 13 inch costs $1299 There are more than one type of MacBook Airs: 11inch, 13 inch. 64 GB, 128 GB, 256 GB, and more flash drive sizes. Check out Apple.com to find the one that is right for you.
The macbook air super-drive is basically a disk drive(like the ones you find in other mac laptops). You can use it to play dvds, cds and games.
Upgrading a MacBook Pro hard drive for what ever reason is actually fairly easy. First, collect all your materials. You'll need; a new 2.5" HDD or SSD drive, ext 2.5" USB enclosure, #00 Philips screwdriver and a T6 screwdriver. Next you'll need to clone your hard drive. After, open up your laptop and then put it all back with the new posts and drive.
The largest I've seen so far is 128gb, but this number is constantly increasing.
The highest amount of gigabytes that a flash drive that is on the market has (when this question was answered) is 128GB.
If you mean, would you be able to access Google Drive on a MacBook, yes, you can do that. Google Drive is accessible across nearly all platforms, and you can upload and download from it, read and edit from it freely on a MacBook.
The MacBook's DVD Player software will play all standard DVDs inserted into the DVD drive on the side of the MacBook.
There are 3 things you need in order to perform MacBook data recover: Apple MacBook, MacBook file recovery software and hard drive (or external disk).
Apple sells an external Super Drive (CD/DVD drive) that plugs into your MacBook Air's USB port.
The MacBook Air does not have a CD/DVD drive built in. It is designed to be used on a wireless network and, if required, would connect to a CD/DVD drive on another computer via the network. An external USB CD/DVD drive can be added.