Amazon.com: HDMI Splitter 1 in 4 Out 4K 60Hz 4:4:4, AVIDGRAM HDMI 4 Port Splitter with Copy, Downscaler, and Auto Mode for Four Identical Display Support 1080p 120Hz HDCP 2.2 HDR10 18Gbps
Amazon.com: OREI 1 in 4 Out HDMI Splitter, 4K @ 60Hz 2.0 HDMI Splitter 2 Ports with Full Ultra HDCP 2.2, 18 Gbps & 3D Supports EDID Control : Electronics
HDMI 2.0 Splitter 1×4 Res Support 4K/60Hz HDCP 2.2 — Cadenceberge
2-Way HDMI UHD/HDR v2.0 Splitter with Downscaler, EDID - Blake UK