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Compact black desktop box with four HDMI ports and push buttons

ATEN

ATEN CS1794 4-port HDMI KVM switch

SKU CH-Q3XJ-YEKFH MPN CS1794

Controls four HDMI computers from one USB console with 1080p video and audio switching

  • PC connectionsHDMI, USB, Audio ports (optional)
  • Console portsHDMI, USB, Microphone and speakers
  • Computer ports4 Ports
  • Monitor ports1 Port
  • Supported video resolution1080p DVI-D(Single Link) 1920 × 1200
  • Switching methodPush Buttons/Hot Keys
  • Control four HDMI computers from one USB console
  • Supports 1080p and 1920 x 1200 DVI-D Single Link resolution
  • Switch instantly via front push buttons or keyboard hotkeys
  • Auto-scan cycles through ports at 1 to 99 second intervals
  • HDMI 1.3a and HDCP compliant with Dolby True HD and DTS HD Master Audio support

What this switch does

The ATEN CS1794 is a 4-port HDMI KVM switch that lets one USB keyboard, mouse and monitor control four HDMI computers. It also shares two extra USB 2.0 peripherals and microphone or speaker audio across all connected systems. The unit is new and includes four 6 ft HDMI cables, a power adapter and a firmware upgrade cable.

Video limit that matters

Maximum supported resolution is 1080p or 1920 x 1200 over DVI-D single link, with HDMI 1.3a and HDCP compliance. Dolby True HD and DTS HD Master Audio pass through, and Video DynaSync stores the console EDID to keep the display stable when switching. Auto-scan cycles between ports at intervals from 1 to 99 seconds.

Who should buy and who should not

Suits operators who need to manage four HDMI workstations or servers from a single desk without exceeding 1080p. Not for users who require 4K or higher resolutions, more than four computer ports, or USB 3.0 peripheral sharing.

How it compares

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

Price $200.99
Pricier than about 80% of the 4,010 comparable items (median $105.49).

Specifications

Product
Brand nameATEN
Model nameCS1794
Product typeHDMI
Display
Supported video resolution1080p
DVI-D(Single Link) 1920 × 1200
Ports & slots
PC connectionsHDMI, USB, Audio ports (optional)
Console portsHDMI, USB, Microphone and speakers
Computer ports4 Ports
Monitor ports1 Port
USB supportUSB 2.0
Power
Power requirementsUnit Power: 5.3VDC @ 1A [max]
Power Consumption: 4.8 W (16.3 BTU/Hr)
Size & build
Product dimensions10.4 in × 2.9 in × 1.8 in
Product weight1.2 lb (0.54 kg)
Shipping weight2.72 kg
Package size335 × 224 × 23 mm
In the box
In the boxCS1974
4 Custom HDMI cables ( 6 ft)
Power adapter
Firmware up grade cable
PS/ 2 to USB console converter cable
User Manual
Quick Start Guide
Environment & compliance
Temperature rangeOperation Temperature: 32F~122F (0C~50C)
Storage Temperature: -4F~140F (-20C ~ +60C)
Humidity range0 to 80% RH, Non-condensing
More details
Switching methodPush Buttons/Hot Keys
Auto-scan interval1-99 secs. (Default: 5 secs)
Status lightsKVM: 5 (Orange)
USB Peripherals: 5 (Green)
Audio: 5 (Green)

Questions about this item

Will the 1080p headline resolution actually appear on my monitor without manual tweaking?

Yes — the unit stores each console monitor’s EDID through Video DynaSync so the correct 1080p mode is negotiated automatically when you switch between the four computers.

What does the HDMI 1.3a interface limit in everyday use?

The 1.3a link caps video at 1080p and DVI-D single-link at 1920 x 1200, while passing Dolby True HD and DTS HD Master Audio bitstreams to the console speakers.

How much desk depth does the switch need including its cabling?

The chassis measures 10.4 in wide, 2.9 in deep and 1.8 in high; the bundled 6 ft cables add reach but no extra depth behind the unit.

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