[2][3][4] It is available in six colours (Ocean Blue, Midnight Black, Lavender Purple, Metallic Copper, Cloud Silver, and Alpine White).

[6][2] On 15 July 2018, a picture was posted showing Samsung co-CEO Koh Dong-Jin holding a Galaxy Note 9.

[13][14][15] The dual-camera system on the Note 9 is similar to that of the Note 8 and the S9+, consisting of a 12MP primary wide-angle lens (with the notable addition of a dual-aperture system going from ƒ/1.5-ƒ/2.4 with a 1/2.55-inch sensor and dual-pixel PDAF) and a 12MP ƒ/2.4 telephoto lens capable of 2x optical zoom and 10x digital zoom (with a 1/3.6-inch sensor and AF).

[19] A unique feature has been added which warns of blinking eyes, blurred photo, dirty lens etc after each photograph is taken.

[20] The Note 9 has IP68 water & dust resistance and a USB-C connector that supports Samsung DeX with a dock, through HDMI.

It has a 3.5 mm headphone jack along with AKG tuned stereo speakers with Dolby Atmos support.

The S-Pen now has Bluetooth capabilities, including the ability to tap the button on it (hold, single or double) to do certain tasks, such as moving forwards or backwards in presentations or taking photos, and third party support is provided for apps via an SDK.