40Gbps Thunderbolt 3 USB-C To USB-C Passive 5A Cable 0.7M for Thunderbolt Docks

This SC10M59509 Thunderbolt 3 cable is a high-speed USB-C to USB-C passive cable designed for compatible Lenovo Thunderbolt docking stations, USB-C Thunderbolt systems, and devices requiring a 40Gbps Thunderbolt-rated cable.

This cable supports Thunderbolt 3 data transfer, USB-C connectivity, DisplayPort video pass-through through supported docks/devices, and up to 5A power delivery when used with compatible equipment. It is commonly used with Lenovo Thunderbolt docks, including DK1841 dock configurations that require a single USB-C Thunderbolt cable.

This is the standard single USB-C to USB-C Thunderbolt cable. It is not the dual-connector split workstation dock cable.

Technical Specifications

• Part Number: SC10M59509
• Product Type: Thunderbolt Cable
• Cable Type: USB-C to USB-C
• Thunderbolt Support: Thunderbolt 3
• Maximum Data Rate: Up to 40Gbps
• Power Rating: 5A
• Power Delivery Support: Up to 100W when used with compatible USB-C / Thunderbolt equipment
• Cable Design: Passive
• Connector A: USB-C Male
• Connector B: USB-C Male
• Cable Length: Approx. 0.7M
• Label Marking: 40G / 5A / Passive
• Use: Docking station cable, Thunderbolt cable, USB-C device cable
• Compatible Dock Type: Single-cable Thunderbolt 3 USB-C docking stations

Interchangeable / Replacement Part Numbers

SC10M59509, 03X7539, 21B1KAD05937002

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on your system's specific configuration. It's essential to verify compatibility with your system or enclosure manufacturer prior to installation.

✔️ Lenovo Thunderbolt Docks: DK1841, ThinkPad Thunderbolt 3 Dock configurations requiring a single USB-C Thunderbolt cable, ThinkPad Thunderbolt 3 Dock Gen 2 configurations requiring a single USB-C Thunderbolt cable
✔️ Lenovo Dock Type Compatibility: Compatible with Lenovo Thunderbolt docking stations that use a standard single USB-C to USB-C Thunderbolt 3 host cable rated for 40Gbps / 5A
✔️ Lenovo ThinkPad Systems: Compatible with ThinkPad laptops that support Thunderbolt 3 or Thunderbolt 4 over USB-C and are designed to connect to Lenovo Thunderbolt docking stations
✔️ USB-C / Thunderbolt Systems: Compatible with systems that require a USB-C Thunderbolt cable rated for 40Gbps data transfer and 5A power delivery support
✔️ General Device Compatibility: Compatible with Thunderbolt 3, Thunderbolt 4, USB-C docking stations, external devices, and laptops that accept a passive 40Gbps USB-C Thunderbolt cable within this length and power-rating class

☑️ Key Features

☑️ Supports Thunderbolt 3 data transfer speeds up to 40Gbps
☑️ USB-C to USB-C cable design for compatible Thunderbolt docks, laptops, and devices
☑️ 5A power rating for compatible USB-C / Thunderbolt power delivery applications
☑️ Passive cable construction for stable short-length Thunderbolt dock connections
☑️ Commonly used with Lenovo Thunderbolt dock setups requiring a single USB-C Thunderbolt host cable
☑️ Compatible replacement for SC10M59509, 03X7539, and 21B1KAD05937002
☑️ Suitable for dock-to-laptop connections, Thunderbolt device connections, and high-speed USB-C applications where matching specs are required
☑️ Helps restore proper docking station communication, display output, data transfer, and power delivery when the original Thunderbolt cable is missing, damaged, or unreliable

⚙️ Fit Notes

• Please verify that your original cable is a USB-C to USB-C Thunderbolt cable marked for 40Gbps / 40G, 5A, passive operation, and approximately 0.7M length before ordering.
• This cable is intended for single USB-C Thunderbolt dock connections.
• This is not the dual-connector split workstation dock cable used on certain workstation dock configurations.
• For best results, use this cable only with systems and docking stations that support Thunderbolt 3, Thunderbolt 4, or USB-C docking operation through a compatible USB-C Thunderbolt port.
• A standard USB-C charging cable or basic USB-C data cable may not provide the same Thunderbolt bandwidth, display support, docking functionality, or power delivery capability.