Wacom Intuos Pro (PTK470, PTK670, PTK870) is compatible with the following optional pens
Wacom Pro Pen 3 (ACP50000DZ)
Wacom Pro Pen 2 (KP504E)
Wacom Pro Pen slim (KP301E00DZ)
Wacom Pro Pen 3D (KP505)
When the following legacy pens are used with Wacom Intuos Pro (PTK470, PTK670, PTK870), the maximum pen pressure level is 2048.
KP-503E Pro Pen
KP-501E-01 Grip Pen
KP-300E-01 Classic pen
KP-400E-01 Airbrush
KP-701E-01 Art Pen
The Wacom Intuos Pro (PTK470, PTK670, PTK870) is compatible with the following third-party digital pens
Wacom One Standard Pen (CP92303B2Z)
Wacom One Pen (CP91300B2Z)
Kaweco AL SPORT Connect EMR Black
Hi-uni Digital for Wacom (CP20206BZ)
STAEDTLER Noris Digital
STAEDTLER Noris digital jumbo
LAMY safari twin pen EMR black
LAMY AL-star black EMR Digital Writing
Dr. Grip Digital for Wacom (CP202A01A, CP202A02A) 10.
Galaxy S22 Ultra S pen
King Write MR05
THIRDWAVE Mitsubishi 9800 digitizer pen
The latest information will be updated at https://www.wacom.com/comp.