DisplayPort 1.2
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Max Speed
21.60 Gbps
Max Resolution
4K@60Hz
Power Delivery
—
Released
2009
Doubled bandwidth to 21.6 Gbps enabling 4K@60Hz and multi-stream transport (MST) for daisy-chaining monitors. The version that established DisplayPort as the professional display standard.
Bandwidth
21.60 Gbps
Capabilities
Data
✗
Video
✓
Audio
✓
Power
✗
Ethernet
✗
Future-Proof Analysis
Still common on older monitors but lacks HDR and DSC. Adequate for single 4K@60Hz but limiting for high refresh.
Compatible Connectors
Cables
Speed Benchmarks
| Scenario | File Size | Theoretical | Realistic |
|---|---|---|---|
| Transfer a 1GB file | 1.00 GB | 0.4s | 0.4s |
| Transfer a 2GB photo album | 2.00 GB | 0.7s | 0.9s |
| Transfer a 10GB movie | 10.00 GB | 3.7s | 4.4s |
| Transfer a 25GB game install | 25.00 GB | 9.3s | 11.1s |
| Transfer a 50GB backup | 50.00 GB | 18.5s | 22.2s |
| Transfer a 100GB project | 100.00 GB | 37.0s | 44.4s |
| Transfer a 250GB backup archive | 250.00 GB | 92.6s | 111.1s |
| Transfer a 500GB drive clone | 500.00 GB | 185.2s | 222.2s |
| Transfer a 1TB drive image | 1000.00 GB | 370.4s | 444.4s |