The Simplecom DA330 is a versatile USB-C multiport MST adapter designed for users seeking dual external displays from a single USB-C port. Featuring two HDMI outputs, this adapter supports up to 4K@60Hz resolution for a single display and 4K@30Hz for dual displays, ideal for enhanced productivity in both work and home office environments.

Equipped with Multi Stream Transport (MST) technology, the DA330 allows users to extend or mirror their screens, though full MST support is available on Windows systems only — macOS supports a single extended display. The adapter also includes a USB-C Power Delivery (PD) port capable of up to 100W charging to power your laptop or host device without the need for additional chargers. For audio needs, a convenient 3.5mm headphone jack outputs audio alongside video.

Constructed with an aluminum casing, the adapter ensures durability and efficient heat dissipation while maintaining a compact form factor with dimensions of approximately 6.2cm x 5.2cm x 1.5cm. It supports plug-and-play functionality with no driver installation required, streamlining setup and use. Its short cable (about 10cm) offers convenient connection without excessive clutter.

Key benefits:

• Dual HDMI outputs for connecting two external monitors


• High-resolution support: 4K@60Hz single display, 4K@30Hz dual displays


• 100W USB-C Power Delivery (PD) for charging compatible devices


• 3.5mm audio output jack for headphones or speakers


• MST technology for extended and mirrored screen modes


• Compact, durable aluminum design with effective heat dissipation


• Compatible with systems supporting USB-C DP Alt Mode