Display support
JSAUX lists one HDMI 2.1 port supporting 4K 120Hz HDR, double the refresh rate of its previous 4K 60Hz version. Check that a listing names the HB0603S or says "upgraded".
JSAUX 6-in-1 Docking Station HB0603S
The upgraded HB0603S has an HDMI 2.1 port rated for 4K 120Hz, three USB-A ports and Gigabit Ethernet. JSAUX says its previous version stopped at 4K 60Hz.
We may earn a commission.Compatibility report
HB0603S upgraded version with HDMI 2.1, dock only
HB0603S upgraded version with HDMI 2.1, dock only
What works. What doesn't.
Charging
USB-C PD input up to 100W. JSAUX lists a 65W charger only with its Powered desk setup kit.
Ports
Three USB-A 3.0 ports at 5Gbps and Gigabit Ethernet.
Sleep and wake
We have not found documentation of sleep and wake behavior while docked.
Read the bigger picture.
Docking stationsBuying guide
Steam Deck docks: Valve's two screens or one at 4K 120Hz
Valve's dock tops out at 4K 60Hz but drives two screens and includes a charger. HDMI 2.1 docks from UGREEN and JSAUX reach 4K 120Hz on one screen.