4X clear compared with 1080p. HDMI 2.1 technology is backwards compatible with HDMI 2.0b/2.0a/2.0/1.4/1.3/1.2/1.1. Latest Optical Fiber 8K HDMI Cable. Braided Cord - 100% Pure Copper Wiring - Backwards compatible with HDMI v2.0, v1.4 & v1.3.
eBay