Side by side
Spec for spec, measured for measured. Every table uses bench numbers, not datasheet numbers.
四款 HDMI 2.1 / KVM 选手逐项实测：谁能在 40 米认证铜缆上稳稳跑住 8K@60 4:4:4。
Four popular 8K extenders on one certified 40-meter run — bench numbers only.