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Thunderbolt™ 3 to dual DisplayPort™ graphics splitter


• Ideal for multi-display and TV-wall application
• Works with any computer with Thunderbolt™ 3 output connectivity
• Enable two 4k@60 Hz DisplayPort™ monitors working simultaneously or one 5k@60 Hz DisplayPort™ monitor
• Resolution up to 2x 4096x2160@60 Hz or 1x up to 5120x2880@60 Hz
• Support video mirror or extension mode for two monitors




Thunderbolt™ 3
Thunderbolt™ 3 provides connectivity with top speed and versatility.It has twice the bandwidth of Thunderbolt 2 and combines data transmission, video output and power supply in a single, compact port. By integrating USB Type-C™, the fast Thunderbolt™ 3 port has become even more practical since it can be connected in any orientation, making it a truly universal port.

High resolution
The IB-1025-TB3 allows resolution of up to 4096x2160@60 Hz per monitor with two 4K-capable monitors  connected via DisplayPort™ and double your high resolution experience.

MST function
With the two DisplayPort™ connectors, you can mirror or expand your main screen. If your system also supports the MST mode, you can display the same or different content on the additional monitors.

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Below you can find general information regarding the product.

up-downTechnical Data

Overview of the general product information and properties.



Article No.:


EAN Code:






Chip set:


Input interface:

1x Thunderbolt™ 3, Type-C™

Output interface:

2x DisplayPort™

Operating system:

Windows®, macOS®


Up to 5120 x 2880@60 Hz /one monitor Up to 4096 x 2160@60 Hz /two monitors

Cable length:

Integrated cable, 26 cm




Up to 5120 x 2880@60 Hz /one monitor Up to 4096 x 2160@60 Hz /two monitors

System requirement:

Important: Your computer must support Thunderbolt™ 3 in order to work with this adapter. - 1x Thunderbolt™ 3 enabled Windows® / macOS® computer - 2x DisplayPort™ enabled 4K monitors with cabling or 1x DisplayPort™ enabled 5K monitor with cabling. While

Power Supply:

Bus powered via Thunderbolt™ 3, 15 W

up-downPackage content

Information regarding the received package and accessories content.

Box content:

1x IB-SPL1025-TB3, 1x manual

up-downLogistical Data

Information regarding dimensions and weight of the product and the packaging.

Packing unit::

40 pcs./carton

Total weight::

8.4 kg/carton

Gross weight (incl. packing):

0.200 kg

Net weight:

0.096 kg


478x223x305 mm

Dimension of packing box:

25x105x203 mm

Dimension of article:

100x60x15 mm

Country of origin: