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mini DisplayPort™ to Dual DisplayPort™ Adapter

Multi-Stream Transport (MST) Hub
Model: JDA146
$ 69.99

Maximize your productivity with this mini DisplayPort™ to Dual DisplayPort™ Adapter by connecting two additional monitors to your mini DisplayPort™-equipped Windows® tablet, laptop or desktop. With the Multi-Stream Transport (MST) protocol, you can easily add two independent displays with up to 4K resolution at 30 Hz each while minimizing the use of system resources, making it perfect for high-resolution applications such as graphic design, photography, and gaming.



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Extends single mDP™ to dual display

The JDA146 utilizes multi-stream transport (MST) protocol, supporting up to 2 displays independently at up to 4K @ 30 Hz each with DP™ 1.2.

Increase Efficiency

Enables 2 monitors to work simultaneously with extended mode, expansion mode or mirror mode
NOTE: Mirror Mode using Windows® Display Utility and NVIDIA® Utility is limited to 2 displays.

See Table Below for Details

The graphics card requires a minimum of DisplayPort™ 1.2 with MST+HBR2 for dual independent display output (Microsoft® Surface™ Pro2, Pro3, Pro4 and Book support MST+HBR2).

USB™ micro-B power cable included

Connect to your PC's USB™ port for power
*Note: This connection is required to power this adapter.


  • Supports 2 additional displays with resolutions up to 4K @ 30 Hz
  • 3 display modes: Mirror, Extended, or Primary
  • Plug-and-play, no driver installation is required
  • Compact and lightweight design for maximum portability
audio supported
host connector

1 - mini DisplayPort™ Male


2 - DisplayPort™

1 – Micro USB™

power source
usb pass-through


video output

2 - DisplayPort™ Female

2 Year Limited
audio channel
2.1 via DisplayPort™
displays supported


max display refresh rate

30 Hz

max display resolution

3840 x 2160

wide screen supported
Mouse Specifications
power consumption
≤ 400 mA
power delivery
Physical Specifications
cable length
5.9 in. (150 mm)
enclosure type
operating humidity
< 85% non-condensing
operating temperature
32 to 104°F (0 to 40°C)
product depth
0.63 in. (16 mm)
product height
1.29 in. (33 mm)
product weight
1.50 oz (42.5g)
product width
2.99 in. (76 mm)
storage humidity
< 85% non-condensing
storage temperature
14 to 149°F (-10 to 65°C)
Wireless Protocols
Package Contents
  • 1 - JDA146 mini DisplayPort™ to Dual DisplayPort™ Adapter
  • 1 - USB™ Micro-B cable (7.8 in. / 200 mm)
  • 1 - Quick Installation Guide
System Requirements
  • Windows® 7 or later
  • DisplayPort™ 1.2 graphics card with Multi-Stream Transport (MST) and High Bit Rate 2 (HBR2) support ex. Surface™ Pro 2 and later, Surface™ Book, HP® OMEN™ 15-CE051NR, and more.
  • One external USB™ power source (Micro USB™ cable included)
Special Notes
  • A 4K-capable display is required for obtaining the 3840 x 2160 resolution
  • When connected to a DisplayPort™ 1.1 or older video card, the adapter will function as a splitter, automatically mirroring your video source across all displays. Resolution limitations apply.
  • macOS® does not support MST and will only support mirror mode, but not extended mode, regardless of whether or not the video card does. This is an operating system restriction.