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Small black rectangular DisplayPort switch with one input and two output ports, USB power cable included

LUOM

LUOM TJ-A038 DisplayPort to HDMI/DP Switch 8K@30Hz 4K@120Hz

SKU CH-0E2T-CS9C4

Connects a DisplayPort source to one HDMI and one DisplayPort display simultaneously at up to 8K@30Hz or 4K@120Hz

  • 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 with DP 1.4 input and dual HDMI 2.1 plus DP 1.4 outputs
  • Enjoy 8K clarity at 30 Hz or 4K fluidity at 120 Hz from a single source
  • Game at 1440p 165 Hz or 1080p 240 Hz on supported displays via DisplayPort
  • Switch between mirror and extended desktop modes with SST and MST support
  • Power the compact 12 x 6 x .08 in adapter via USB for stable operation

LUOM TJ-A038 DisplayPort Switch

The LUOM TJ-A038 is a DisplayPort 1.4 switcher that routes one DP input to simultaneous DP 1.4 and HDMI 2.1 outputs. It serves laptop or desktop users who need a single source displayed on two screens at once.

Bundled power cable and manual

A DC 5 V USB power lead is included because the unit requires external power for stable operation. The quick-start guide explains how to select SST mirror or MST extended modes for the connected displays.

Check DP version and cable rating

Verify that your source supports DisplayPort 1.4 and that both cables are rated for 32.4 Gbps bandwidth to reach 8K at 30 Hz or 4K at 120 Hz. HDMI output does not support 1440p at 165 Hz or 144 Hz.

How it compares

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

Price $38.99
Pricier than about 73% of the 1,998 comparable items (median $27.99).

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Specifications

Product
Brand nameLUOM
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

Does the DC 5 V power cable need periodic replacement?

The included DC 5 V cable is a standard USB power lead; replace it only if the connector or cable sheath shows physical damage.

What resolution ceiling appears first when both outputs run continuously?

In MST extended mode the two ports are limited to 4K@60 Hz simultaneously; single-port use can reach 8K@30 Hz or 4K@120 Hz.

How warm does the aluminium housing get during all-day operation?

The unit draws power only from the supplied 5 V USB line and has no fan; it runs warm to the touch but stays within normal operating temperature for a passive 32.4 Gbps switch.

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