If you're going to share your home with a dog, you'll need to deal with some level of dog hair on your clothes and in your house. However, shedding does vary greatly among the breeds: Some dogs shed year-round, some blow seasonally -- produce a snowstorm of loose hair -- some do both, and some shed hardly at all.
The NSMD (non-solder mask defined) pads are finished with ENIG (electroless nickel immersion gold). The NSMD pad will permit better adhesion, with the solder being able to grip the sides of the copper, in addition to the top surface.
The DDR3 indicates the type of DRAM. SoDIMM indicates a small outline DIMM. (aka notebook form factor). For the other two (speed and voltage) check your manual. It will often state things like DDR-1066 where the 1066 stands for the speed the RAM can work at.