HDMI 2.1
HDMIMax Speed
48.00 Gbps
Max Resolution
8K@60Hz
Power Delivery
—
Released
2017
Major leap to 48 Gbps, enabling 4K@120Hz, 8K@60Hz, Variable Refresh Rate (VRR), eARC, and Auto Low Latency Mode (ALLM). The gold standard for next-gen gaming and home theater.
Bandwidth
48 Gbps
On this page
Capabilities
Data
✗
Video
✓
Audio
✓
Power
✗
Ethernet
✓
Future-Proof Analysis
Dominant standard for displays and consoles through 2028+. VRR and ALLM make it essential for PS5/Xbox gaming.
Compatible Connectors
Cables
HDMI 2.1 eARC Audio Cable
HDMI Type-A (Standard) ↔ HDMI Type-A (Standard)
HDMI 8K Braided Cable
HDMI Type-A (Standard) ↔ HDMI Type-A (Standard)
HDMI Fiber Optic Cable (10m+)
HDMI Type-A (Standard) ↔ HDMI Type-A (Standard)
HDMI Ultra High Speed (2.1)
HDMI Type-A (Standard) ↔ HDMI Type-A (Standard)
USB-C to HDMI (8K@60Hz)
USB Type-C ↔ HDMI Type-A (Standard)
Speed Benchmarks
| Scenario | File Size | Theoretical | Realistic |
|---|---|---|---|
| Transfer a 1GB file | 1.00 GB | 0.2s | 0.2s |
| Transfer a 2GB photo album | 2.00 GB | 0.3s | 0.4s |
| Transfer a 10GB movie | 10.00 GB | 1.7s | 2.0s |
| Transfer a 25GB game install | 25.00 GB | 4.2s | 5.0s |
| Transfer a 50GB backup | 50.00 GB | 8.3s | 10.0s |
| Transfer a 100GB project | 100.00 GB | 16.7s | 20.0s |
| Transfer a 250GB backup archive | 250.00 GB | 41.7s | 50.0s |
| Transfer a 500GB drive clone | 500.00 GB | 83.3s | 100.0s |
| Transfer a 1TB drive image | 1000.00 GB | 166.7s | 200.0s |