If you need storage much and much on your galaxy note 5 than here Is new variant of Samsung galaxy note 5 with 128 GB storage.
In new version not much changed just changed logo of back Samsung. And come with 128 GB storage.
The phone will be offered in Gold Platinum and Silver Titanium color options via SK Telecom and KT for 999,900 Korean won,or the equivalent of $850.
Source:Samsung