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This User Manual covers connectivity, supported resolutions, data transfer, and troubleshooting for the Satechi Thunderbolt 5 Pro Cable (ST-YTB5100K). The Thunderbolt 5 Pro Cable is Intel-certified and supports up to 120Gbps data transfer, 240W Power Delivery, and multi-display output up to 8K @ 60Hz.

What's in the Box

• Thunderbolt 5 Pro Cable (ST-YTB5100K)
• User Manual

Setup

1. Connect the Thunderbolt 5 Pro Cable to a Thunderbolt 5 or USB4 port on your Mac or PC.
2. Connect the other end to a compatible Thunderbolt 5, USB4, or USB-C display, dock, or device.
3. The operating system detects the connection automatically — no drivers required.

For extended (non-mirrored) dual display output on macOS: go to System Settings > Displays > Arrangement and disable "Mirror Displays."

Supported Display Configurations

• Single display — Up to 8K @ 60Hz or 4K @ 144Hz
• Dual display — Up to dual 8K @ 60Hz (host must support Thunderbolt 5 dual display output)
• Triple display — Up to triple 4K @ 144Hz via compatible Thunderbolt 5 dock
• 1080p gaming — Up to 1080p @ 540Hz

Actual display capability depends on both the host Thunderbolt 5 port and the display's specifications.

Data Transfer

The Thunderbolt 5 Pro Cable supports Thunderbolt 5 bandwidth up to 120Gbps (Bandwidth Boost mode), enabling ultra-fast data transfer between compatible Thunderbolt 5 devices. When connected to USB4 or Thunderbolt 4 hosts, bandwidth is capped at 40Gbps per those standards.

Power Delivery

The Thunderbolt 5 Pro Cable supports USB-C Power Delivery up to 240W, enabling simultaneous display, data, and laptop charging through a single cable.

Troubleshooting

• Display not detected — Confirm the host port is Thunderbolt 5 or USB4. Non-TB5 ports will limit functionality. Try a different port or restart with the cable connected.
• Dual displays not working — Dual display output requires a Thunderbolt 5 host. Thunderbolt 4 and USB4 hosts support only one external display natively. Check macOS Displays > Arrangement and disable Mirror Displays.
• Transfer speed lower than 120Gbps — 120Gbps requires both the host and target to support Thunderbolt 5 Bandwidth Boost. Thunderbolt 4 caps at 40Gbps.

Specifications

• Model: ST-YTB5100K
• Protocol: Thunderbolt 5 (Intel-certified)
• Max Data Transfer: 120Gbps (Bandwidth Boost)
• Max Power Delivery: 240W
• Max Video: 8K @ 60Hz single / triple 4K @ 144Hz
• Length: 1M
• Connector: USB-C (Thunderbolt) to USB-C (Thunderbolt)