UltraAV® Mini DisplayPort 1.2 to 2 DisplayPort Multi-Display MST Hub

SKU: K088B-005B
$ 95.99

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  • This product is designed for Microsoft Surface
  • This product won Innovation Awards in CES 2015
  • This product is protected with 2-year replacement warranty

UltraAV® Mini Dual Display MST Hub

Mirror or Extend your Desktop Over 2 Displays

The Accell UltraAV Mini DisplayPort Multi-Display MST Hub allows you to connect up to 2 DisplayPort monitors from a single Mini DisplayPort output. The multi-display hub utilizes multi-stream transport (MST) protocol, supporting up to 2 displays independently at 2560x1600 @ 60Hz (reduced blanking) or 3840x2160 @ 30Hz (reduced blanking) each with DP 1.2.

Ideal for use with Microsoft Surface Pro 4, Surface Pro 3

Expand your display beyond the compact display integrated into your Surface Pro 4, Surface Pro 3 or other Mini DisplayPort enabled laptop or desktop computer. Now you can extend your desktop onto two large, high-resolution monitors and dedicate each display to a separate application, providing the efficiency and productivity of multi-tasking.

This multi-display mst hub expand your compacted view to two additional displays, providing efficiency and productivity for multi-tasking

Support Dual Mode (DisplayPort ++)

Don't have 2 DisplayPort Monitors? The MST Hub is Dual Mode or also known as DisplayPort++. It can directly output single-link HDMI, VGA and DVI signals using either a passive or active adapter. Accell's MST Hub makes it easy and cost effective to use multiple monitors.

This adapter can directly output single-link HDMI, VGA and DVI signals using either a passive or active adapter.


  • Provides full display performance with virtually zero latency and no display application limitations.
  • No additional software to install, just Plug-and-Play.
  • Works with a desktop or notebook computer that has a Mini DisplayPort output.
  • Works on a DisplayPort enabled Windows PC.
  • Utilizes new Multi-Stream Transport (MST) protocols
  • Scan button refreshes all connections made to the hub.


  • Connector: Built-in 7.25" Mini DisplayPort cable (to video card) and 7.25" USB power cable (to USB port). 2 DisplayPort outputs (to monitors) - DisplayPort cables not included
  • Latency: Near zero
  • Approximate dimensions: 2.52"(W) x 2.29"(L) x 0.54"(H)
  • Power: USB powered
  • Supports output resolutions up to 4K @ 30Hz (RB)
  • Compatible with VGA, DVI and HDMI using optional adapters
  • Compliant with DisplayPort 1.1a and 1.2 specifications, VESA DDM Standard
  • Up to 5.4Gbps/lane link rate for a bandwidth of 21.6Gbps
  • Supports 5.4Gbps (HBR2), 2.7Gbps (HBR), and 1.62Gbps (RBR)
  • Supports HDCP V2.0 and EDID V1.4
Resolution Refresh Rate Reduced Blanking Pixel Frequency
3840x2160 30Hz RB 265 MHz
2560x1600 60Hz RB 268 MHz
1920x1080 60Hz RB 148.5 MHz
1600x1200 60Hz 162 MHz

System Requirements:

  • Graphic Output: Mini DisplayPort v.1.1 or v.1.2
  • Windows PC

Important Notes:

  • The maximum number of displays that can be enabled at the same time is limited by the number of display pipes.
  • For optimum compatibility, Accell brand DisplayPort adapters should be used when adapting any of the video outputs to HDMI, DVI or VGA.
  • The Microsoft Surface 3 has a Mini DisplayPort output that can drive just 1 external monitor. This provides no application for using a MST Hub.
  • To adapt a Surface 3 to a non-DisplayPort monitor, please see our adapters. To connect to a DisplayPort monitor, use an Accell VESA certified, HBR2 rated cable found here.

Package Includes:

  • Multi-Display Hub
  • Product Guide

Warranty: 2-Year Replacement

Datasheet: Link

Warning using this product may be harmful under California 65WARNING: This product may expose chemical such as Bisphenol A (BPA) that is known to the State of California to cause cancer or reproductive harm. For more information, please go to www.p65warnings.ca.gov


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