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Small black box with one DisplayPort input and one DisplayPort plus one HDMI output

ESTONE

ESTONE TJ-A038 DisplayPort 1.4 8K DP to DP & HDMI Video Switch 8K@30Hz 4K@120Hz

SKU CH-21WB-AP4GB

Splits one DisplayPort 1.4 source to simultaneous DP and HDMI outputs at up to 8K 30 Hz or 4K 120 Hz with MST and SST modes

  • Port count2
  • Adapter typeDisplayPort Switch/Extender
  • Input ports1 x DisplayPort 1.4
  • Output portsDisplayPort1.4+HDMI 2.1
  • Maximum supported resolutions8K@30 Hz 4K@120 Hz
  • Bandwidth ratingHigh Speed 32.4 Gbit/s
  • Connect two displays simultaneously without switching
  • Single DisplayPort 1.4 input drives both DP and HDMI outputs
  • 8K at 30 Hz and 4K at 120 Hz supported
  • MST extended and SST mirror modes available
  • 4 Gbps bandwidth handles high refresh rates

Dual-port DisplayPort 1.4 switcher

The ESTONE TJ-A038 takes a single DisplayPort 1.4 source and drives two displays simultaneously, one over DisplayPort and one over HDMI 2.1. It supports MST extended-desktop and SST mirror modes, making it suitable for digital-signage installations, multi-monitor workstations and presentation setups that need 8K at 30 Hz or 4K at 120 Hz.

Users needing simultaneous dual-display output

This device suits anyone who wants to connect both a DisplayPort and an HDMI monitor to one computer without swapping cables. It will not help buyers who need more than two outputs, who require HDMI 2.1 bandwidth above the 32.4 Gbps limit, or who want a pure HDMI-input switcher.

32.4 Gbps DisplayPort 1.4 bandwidth

The 32.4 Gbps link determines every resolution and refresh combination the hub can deliver, including 8K at 30 Hz, 4K at 120 Hz and 1440p at 165 Hz on the DisplayPort output. If your source or cables cannot sustain that bandwidth, the highest modes will not be available.

How it compares

Measured against everything we stock in HDMI & AV Selector Switches, at today’s prices. Recalculated every night.

Price $39.99
Pricier than about 75% of the 1,998 comparable items (median $27.99).

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Specifications

Product
Brand nameESTONE
Product lineTJ-A038
Model nameTJ-A038
Part numberTJ-A038
Product typeDisplayPort Switchers
Adapter typeDisplayPort Switch/Extender
Product colorBlack
Performance
Bandwidth ratingHigh Speed 32.4 Gbit/s
Display
Maximum supported resolutions8K@30 Hz 4K@120 Hz
Ports & slots
Port count2
Input ports1 x DisplayPort 1.4
Output portsDisplayPort1.4+HDMI 2.1
Size & build
Product dimensions12 × 6 × 0.08 in
Product weight1.2 oz
In the box
Units per package1
In the box1 X Directional DP to DP+HDMI Switcher
1 X DC 5 V power line
1 x instructions

Questions about this item

What cables and accessories come with the ESTONE TJ-A038 and what must I provide?

The box includes the switcher, a DC 5 V power cable and instructions. You must supply a DisplayPort 1.4 cable for the input and either a DisplayPort 1.4 or HDMI 2.1 cable for each monitor you connect.

Should I use the DisplayPort or HDMI output for 1440p at 165 Hz?

Use the DisplayPort output. The HDMI port does not support 1440p at 165 Hz or 144 Hz, while the DisplayPort output does.

What does the 8K@30Hz rating mean for my actual setup?

It means the switcher can pass an 8K signal at 30 Hz when your source, cables and monitor all support DisplayPort 1.4 and the required bandwidth of 32.4 Gbps.

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