RAM upgrade up to 8GB on Satellite C660-180

Hey guys,
Thanks a lot for taking a look at my post.
I have Satellite C660-108. I'm thinking of upgrading ram from 3 GB up to 8 GB.
I will be very grateful if someone could answer my questions before I make a purchase.
This is a Ram model. I'm thinking of buying.
Kingston HyperX Plug in and Play DDR3 1600MHz CL9 8GB SODIMM Memory Module
I wonder if it would fit to my laptop ?
Also I found this on C660-108
Type : Intel Graphics Media Accelerator HD
memory amount : up to 1,273 MB shared memory with 3 GB system memory installed, and up to 1,696 MB with 4 GB system memory, (with pre-installed 64-bit operating system)
memory type : shared .
If I upgrade ram up to 8 GB would it mean that my graphics system memory will be up to 3,392 MB as well ?
Thank you so much.
Kit

According to Toshiba notebook spec page, the 8GB RAM (2 x 4GB) are definitely possible.
Kingston is a good RAM manufacturer and provide good quality modules.
The RAM modules should support following sepcs:
DDR3 1066MHz (PC3-8500)
The CPU PENTIUM P6100 (2.00GHZ) supports an 1.066MHZ FSB and therefore the PC3-8500 should run at full speed 1066MHz
> f I upgrade ram up to 8 GB would it mean that my graphics system memory will be up to 3,392 MB as well ?
More RAM means a bigger part can be shared with the GPU but this is controlled by graphic card driver automatically.

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