My laptop is Inspiron 3543-Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz, 2201 Mhz, 2 Core(s), 4 Logical Processor(s)and RAM 4 giga

I want to upgrade RAM to 8 giga 

What is the best type of ram should I use ?

Also I want to upgrade device storage and install 1terabytes ssd drive 

So, what's is the best type of drives should I use?