The Duckstation 2x/10x category is for the Duckstation emulator with settings that allow it to emulate very close to PSTV speeds. Below are the required Duckstation settings for that category.
DuckStation 2021-05-23 or later in GUI MODE ONLY
Console Settings:
Enable 8MB RAM: Unchecked
Enable Clock Speed Control (Overclocking/Underclocking): Unchecked
Async Readahead: 8 Sectors (53KB/16ms)
Read Speedup: 2x (Quad Speed)
Seek Speedup: 10x
May Preload Image to RAM if not on an SSD
Emulation Settings:
Runahead: Disabled
Display Settings:
VSync: Unchecked
Show OSD Messages: Checked
Show Emulation Speed : Checked
Show FPS : Checked
Show Controller Input : Checked
Show Settings Overlay : Checked
Enhancement Settings:
Force NTSC Timings (60hz-on-PAL): Unchecked
All other settings should be default, aside from minor visual changes such as resolution, upscaling, etc. to your preference.
Below are examples of what this should look like in your emulator.