USB hub stability is class-leading; the 18Gbps ceiling keeps it 4K-only.
NPG-EX50KVM-18G
4K KVM Extender with USB 2.0 hub
More from the bench
HDMI 2.2 Arrived. Here’s What Actually Changes for Installers
96Gbps aggregate, a new Ultra96 cable tier, mandatory latency reporting — and why you shouldn't stockpile 2.1 gear just yet.
October 15, 2026
Read →
We Ran 5 HDMI 2.1 Extenders at 40 Meters. Two Survived.
Five popular "8K 40m" extenders, one certified 40.2m CAT6 run, 72 hours of FRL stress. Only two held the full signal.
October 6, 2026
Read →