Four-port HDMI KVMP
The switch combines four HDMI computer connections with a two-port USB 2.0 hub.
The ATEN CS1794-AT-U controls four HDMI computers or other HDMI devices from one USB keyboard, mouse and display while sharing two USB 2.0 peripherals.
Independent KVM, USB and audio switching, Video DynaSync, HDCP compliance and high-definition audio support suit multimedia desktop workflows.

The switch combines four HDMI computer connections with a two-port USB 2.0 hub.
KVM, USB peripheral and audio focus can be changed independently using front pushbuttons or hotkeys.
The source lists 1080p or 1920 x 1200 video plus Dolby TrueHD and DTS-HD Master Audio support.
Source review: The dedicated warranty field lists a 3-year limited warranty, while the structured specification text lists 2 years. Both supplied values are preserved for review; confirm the applicable term before publication or sale.
The supplied source lists four HDMI-interface computers.
Yes. The source lists a built-in two-port USB 2.0 hub.
The source lists 1080p and 1920 x 1200 at 60Hz.
The source lists the switch, four 1.8m HDMI/USB/audio KVM cables, firmware-upgrade cable, power adapter and instructions.
The warranty field lists three years limited, while the structured specification text lists two years; confirmation is recommended.
(CS1794-AT-U)
Confirm the warranty term because two supplied source fields conflict; the product warranty tab follows the dedicated warranty field while preserving the two-year specification entry.
| Product details | |
|---|---|
| Brand | ATEN |
| Model / SKU | CS1794-AT-U |
| Product type | 4-port USB 2.0 HDMI KVMP switch |
| Computer connections | 4 |
| Port selection | Hotkey; pushbutton |
| Connections | |
| Console | 2 x USB Type-A; HDMI; speaker and microphone jacks |
| KVM | 4 x USB Type-B; 4 x HDMI; 4 x speaker jacks; 4 x microphone jacks |
| USB hub | 2 x USB Type-A |
| Firmware upgrade | 1 x 3.5mm jack |
| Power | 1 x DC jack |
| Video and operation | |
| Video | 1920 x 1080 @ 60Hz / 1920 x 1200 @ 60Hz |
| Scan interval | 199 seconds; default 5 seconds |
| Keyboard / mouse emulation | USB |
| Power consumption | DC 5.3V; 3.62W; 43BTU |
| Environment and physical | |
| Operating temperature | 050°C |
| Storage temperature | -2060°C |
| Humidity | 080% RH, non-condensing |
| Housing | Metal and plastic |
| Weight | 0.53kg |
| Dimensions (L x W x H) | 26.23 x 7.68 x 4.40cm |
| Supplied warranty entries | |
| Dedicated warranty field | 3 Years Limited Warranty |
| Structured specification text | 2 Years |
| Review status | Source conflict retained; confirm applicable term |
| Package contents | |
| Included | CS1794 switch; 4 x 1.8m HDMI/USB/audio KVM cables; firmware-upgrade cable; power adapter; user instructions |
| SKU | CS1794-AT-U |
| Barcode # | 672792100260 |
| Brand | ATEN |
| Shipping Weight | 2.7600kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.210m |
| Shipping Length | 0.330m |
| Shipping Cubic | 0.006930000m3 |
DeviceDeal is an authorised ATEN reseller. This product is covered by a three-year limited ATEN manufacturer warranty in Australia, as listed in the supplied product information. A separate structured specification entry lists two years, so DeviceDeal recommends confirming the applicable term and conditions for SKU CS1794-AT-U.
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