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Compact silver aluminium box with front selector button and rear HDMI, USB-C and USB ports

Jansicotek

Jansicotek OZK4 2-port HDMI 2.1 KVM switch 8K@60Hz 4K@120/144Hz

SKU CH-HMDB-Y6X4Y

Lets two computers share one monitor, keyboard and mouse at up to 8K 60 Hz or 4K 144 Hz

  • PC connectionsHDMI and USB-C
  • Computer ports2 Ports
  • Monitor ports1 Port
  • Supported video resolution7680 × 4320
  • Switching methodManual Switch
  • Auto-scan interval3 seconds
  • Control two computers with one keyboard, mouse and monitor
  • 8K at 60 Hz and 4K at 120 or 144 Hz for sharp gaming visuals
  • HDMI 2.1 with HDCP 2.3 protects premium content playback
  • Four USB 3.0 ports share printers, drives and cameras between PCs
  • Manual button and hotkey switching plus 3-second auto-scan option

Two-computer HDMI 2.1 KVM

The Jansicotek OZK4 lets you operate two computers from a single monitor, keyboard and mouse. It accepts two HDMI 2.1 inputs and one USB-C input per system, then routes video to one HDMI 2.1 output at up to 8K 60 Hz or 4K 120/144 Hz. Manual button or hotkey switching changes the active host instantly. The aluminium alloy shell resists interference and aids heat dissipation.

Four USB 3.0 ports and hotkey control

Four downstream USB 3.0 ports share printers, cameras, storage drives or wireless keyboard and mouse dongles between the two connected PCs. No driver installation is required on Windows XP through Windows 10, macOS, Linux or Unix. LED indicators show the active port, and an automatic scan mode cycles every three seconds for hands-free monitoring.

8K 60 Hz bandwidth with 48 Gbps headroom

The switch passes the full 48 Gbps HDMI 2.1 bandwidth, supporting 7680×4320 at 60 Hz, 4K at 120 or 144 Hz and 1080p at 240 Hz with 4:4:4 chroma sampling. HDCP 2.3 compliance keeps protected content flowing. It will not suit setups that need more than two computer ports or automatic switching based on signal detection.

How it compares

Measured against everything we stock in KVM Switches & Rack Consoles, at today’s prices. Recalculated every night.

Price $38.99
Cheaper than about 81% of the 4,010 comparable items (median $105.49).

Specifications

Product
Brand nameJansicotek
Product lineOZK4
Model nameOZK4
Product typeHDMI, USB
Display
Supported video resolution7680 × 4320
Ports & slots
PC connectionsHDMI and USB-C
Computer ports2 Ports
Monitor ports1 Port
Size & build
Product dimensions5.43 × 5.35 × 1.46 in
Product weight9.52 oz
More details
Switching methodManual Switch
Auto-scan interval3 seconds
Status lightsYes

Questions about this item

Do the mechanical switch button or the HDMI ports wear out after frequent daily switching?

The unit uses a manual push-button with LED indicators and solid-state HDMI 2.1 ports rated for 48 Gbps bandwidth; no moving parts inside the signal path, so normal daily switching does not degrade the video link.

What is the first limit reached when running 8K@60Hz content continuously through both inputs?

The 48 Gbps bandwidth ceiling of the HDMI 2.1 chipset is the hard limit; sustained 8K@60Hz 4:4:4 uses the full pipe, so any additional USB 3.0 traffic shares the same controller budget.

Does the aluminum enclosure stay cool and silent when the switch powers two computers and four USB 3.0 devices all day?

The fanless aluminum-alloy shell (111.8×63.2×24.5 mm) dissipates the low heat from the HDMI 2.1 switch chip and USB 3.0 hub without noise; surface temperature stays warm but safe to touch.

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