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Small black rectangular box with front button and LED indicators

ESTONE

ESTONE OZK1 4K@60Hz 2-Port HDMI KVM Switch with 3 USB 2.0 Hub

SKU CH-CRSV-YPVDS

Share one 4K@60Hz monitor, keyboard, mouse and three USB 2.0 devices between two computers with a single button press

  • PC connectionsHDMI and USB
  • Computer ports2 Ports
  • Monitor ports1 Ports
  • Supported video resolution3840 × 2160
  • Switching methodManual Switch
  • Auto-scan interval3 seconds
  • Control two computers with one keyboard, mouse and monitor
  • 4K 60 Hz video through HDMI 2.0b with HDCP 2.2
  • Three USB 2.0 ports share peripherals across both systems
  • Push-button switching with three-second auto-scan option
  • Compact 111.8 × 63.2 × 24.5 mm, bus-powered via HDMI

Two-Port HDMI KVM for 4K Workstations

The ESTONE OZK1 lets a single keyboard, mouse and monitor control two computers at up to 3840 x 2160 resolution and 60 Hz refresh. It supports HDMI 2.0b and HDCP 2.2 with 18 Gbps bandwidth for full chroma 4:4:4 colour. No external power adapter is needed because the unit draws power from the connected HDMI cables. A push button on the chassis switches the active system instantly.

Passive Cooling and Silent Operation

With no fan or active components beyond the switching logic, the device runs completely silent in normal use. Its aluminium enclosure measuring 111.8 x 63.2 x 24.5 mm dissipates the minimal heat generated by the HDMI 2.0b signal processing. Power consumption stays negligible because the switch is powered directly by the source HDMI ports. The three USB 2.0 ports add no audible noise or thermal load during typical keyboard and mouse traffic.

Stable Signal Under Continuous Load

During extended sessions the high-performance decoding chips maintain a stable 4K 60 Hz link without dropouts or auto-scan interference. The 3-second auto-scan interval only activates when manually enabled, so long rendering or gaming periods remain uninterrupted. HDCP 2.2 handshake persists across hot-plug events, preventing blank screens when a source wakes from sleep. The unit is not suited for users who need more than two computer inputs or USB 3.0 peripheral speeds.

How it compares

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

Price $22.99
Cheaper than about 91% of the 4,010 comparable items (median $105.49).

Specifications

Product
Brand nameESTONE
Product lineOZK1
Model nameOZK1
Product typeHDMI, USB
Display
Supported video resolution3840 × 2160
Ports & slots
PC connectionsHDMI and USB
Computer ports2 Ports
Monitor ports1 Ports
USB supportWith USB support
Size & build
Product dimensions5.43 × 5.35 × 1.46 in
Product weight9.52 oz
In the box
In the box1 × 2 in 1 out HDMI KVM SWITCH
2 x USB Cable
1 x User manual
More details
Switching methodManual Switch
Auto-scan interval3 seconds
Status lightsYes

Questions about this item

How do I connect both computers to the ESTONE OZK1 and which step is often missed?

Connect each computer using the supplied USB cables into the three USB 2.0 input ports and an HDMI cable into each HDMI input; the step often missed is plugging the USB cables in so keyboard and mouse switching works.

What part of the ESTONE OZK1 will need replacement after extended use?

The mechanical push-button used for manual PC selection can wear out over time and may eventually need replacement.

At what sustained bandwidth limit does the ESTONE OZK1 cap video throughput?

The switch is limited to 18 Gbps bandwidth, which caps sustained video at 4K 60 Hz with 4:4:4 chroma sampling.

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