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Gray foldable USB-C adapter with two DisplayPort sockets

SIIG 201372-BLK Thunderbolt to Dual DisplayPort Adapter

SKU CH-3F0R-7Q7KQ

Connects a Thunderbolt or USB-C port to two DisplayPort monitors at 4K 60 Hz or a single 8K 30 Hz display

  • ColorGray
  • Connector Number4
  • Terminal GenderMale to Female
  • Specifications201372-BLK, USB Type C, Black, 0.041 kilograms, 2
  • Disclaimeron_product_combined_cancer_reproductive
  • Connect one 8K monitor at 30Hz for ultra-high definition visuals
  • Drive dual 4K displays at 60Hz for expanded workspace productivity
  • Supports HDR and Dolby Vision for lifelike colour accuracy
  • Foldable design enables portable multi-monitor connectivity anywhere
  • Works with Thunderbolt or USB-C DP Alt Mode ports

Portable Thunderbolt to Dual DisplayPort Adapter

The SIIG 201372-BLK turns a single USB-C port into two DisplayPort outputs for multi-monitor workflows. It supports one 8K display at 30 Hz or two 4K displays at 60 Hz. The foldable design keeps the adapter compact for travel between workspaces. It is intended for users who need to extend desktop space across two external screens.

Thermals Noise and Power Draw

The adapter draws power directly from the host USB-C port and has no active cooling. Operation is silent because there are no moving parts. Surface temperature remains low during typical video output because the circuitry only handles signal conversion. No external power supply is required for normal use.

macOS Single Extended Display Limitation

On macOS the adapter can mirror two monitors but cannot extend the desktop across both. Only one extended display is supported at up to 4K 60 Hz. Windows and other platforms can drive dual 4K 60 Hz extended desktops. Buyers who need dual extended displays on a Mac should choose a different solution.

Highlights

  • Connect one 8K monitor at 30Hz for ultra-high definition visuals
  • Drive dual 4K displays at 60Hz for expanded workspace productivity
  • Supports HDR and Dolby Vision for lifelike colour accuracy
  • Foldable design enables portable multi-monitor connectivity anywhere
  • Works with Thunderbolt or USB-C DP Alt Mode ports

Specifications

BrandSIIG
Model201372-BLK
ColorGray
Connector Number4
Terminal GenderMale to Female
Specifications201372-BLK, USB Type C, Black, 0.041 kilograms, 2
Disclaimeron_product_combined_cancer_reproductive

Questions about this item

How do I install the Thunderbolt adapter and what step do people often miss?

Connect the male USB-C plug to a Thunderbolt or DP Alt Mode port, then attach DisplayPort cables to the two female ports; the step often missed is verifying the host port actually supports video output, because a standard USB-C data port will not work.

What maintenance or replacement will this adapter need later?

No routine maintenance is required; if the foldable hinge loosens or a DisplayPort connector wears out after heavy use, the whole adapter would need replacement.

What limit appears first during sustained use of the dual 4K 60Hz outputs?

The host Thunderbolt bandwidth limit is reached first when driving two 4K 60Hz streams, so the adapter cannot exceed dual 4K 60Hz even if the displays support higher rates.

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