The Samsung Galaxy Note 9 was a flagship smartphone released by Samsung in August 2018. It was the successor to the Galaxy Note 8 and offered several improvements and new features. Here are some key specifications and features of the Samsung Galaxy Note 9:

1. Display: 6.4-inch Super AMOLED Quad HD+ display with a resolution of 2960 x 1440 pixels.
2. Processor: Depending on the region, it came with either the Qualcomm Snapdragon 845 or Samsung's in-house Exynos 9810.
3. RAM: 6GB/8GB
4. Storage: 128GB/512GB internal storage with a microSD card slot for expansion up to 1TB.
5. S Pen: The Note series is known for its S Pen stylus, and the Note 9's S Pen introduced Bluetooth functionality, allowing it to be used as a remote control for certain functions on the phone.
6. Camera: Dual rear camera setup with two 12-megapixel sensors—one wide-angle and one telephoto—offering 2x optical zoom and bokeh effects. The front camera was an 8-megapixel sensor.
7. Battery: Non-removable 4000mAh battery with fast charging and wireless charging support.
8. Operating System: Launched with Android 8.1 Oreo and received subsequent updates up to Android 10.

The Samsung Galaxy Note 9 was praised for its large display, excellent camera performance, and the added functionality of the Bluetooth-enabled S Pen. It was well-regarded as a productivity-focused smartphone with features tailored to note-taking, multitasking, and creative tasks.

As it's been a few years since its release, the Galaxy Note 9 might be challenging to find as a brand new unit. However, it could still be available through certain retailers or the secondhand market. If you're considering purchasing a Samsung smartphone, I recommend checking out their newer models for the latest features and performance. Samsung has continued to release new iterations of the Galaxy Note series since the Note 9, offering improved capabilities and design.