What is a good M.2 SSD for me to use?

[Supahawk01]

I just purchased a Aspire V 15 Nitro (http://www.newegg.com/Product/Product.aspx?Item=N82E16834315164&cm_re=Aspire_V_Nitro-_-34-315-164-_-Product)
As the reviews say, the HDD in it is garbage. But, the laptop does feature a M.2 slot. I am not very resourceful when it comes to small form-factor storage devices like these, but I want to know would be the best one... Ive looked at some and noticed that they have different connections and that confused me.

My max budget is $200.

Thx!

 

[Karadjgne]

Samsung 950 Pro or SanDisk Extreme Pro are about the best on the market, but cost more. For more budget oriented look to the 850 EVO or SanDisk Ultra.

https://pcpartpicker.com/product/VrH48d/samsung-internal-hard-drive-mzn5e500bw