Design
Product colour	Black
Housing material	Metal, Plastic
LED indicators
Push button
Display
Built-in display
Logistics data
Master (outer) case width	292 mm
Master (outer) case length	517 mm
Master (outer) case height	194 mm
Master (outer) case gross weight	8.3 kg
Country of origin	Thailand
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-20 - 60 °C
Operating relative humidity (H-H)	0 - 80%
Packaging data
Package width	100 mm
Package depth	283 mm
Package height	173 mm
Package weight	1.52 kg
Performance
HD type	4K Ultra HD
Maximum resolution	4096 x 2160 pixels
Video bandwidth	60 Hz
Scan interval	1,99 s
Ports & interfaces
Number of computers controlled	4
Keyboard port type	USB
Mouse port type	USB
Video port type	HDMI
HDMI ports quantity	4
USB 2.0 Type-B ports quantity	4
Console ports	3.5mm headphone, HDMI, USB A
Console USB ports quantity	2
Console HDMI ports quantity	1
USB 2.0 Type-A hub ports quantity	2
USB hub
Audio connections
Power
Power source	DC
Power consumption (typical)	1.73 W
Technical data
Height packaging	0.175m
Packaging volume	0.0025m³
Max. resolution	4096x2160 / 60Hz
Type 2	4-fold HDMI KVM
Type 1	KVM switch
Length packaging	0.285m
Weight	1.512kg
Video outputs per console	HDMI x1
Video inputs per CPU	HDMI x1 / USB-B x1
Periphery inputs per CPU	USB-B female x1
Number of CPU	4
Width packaging	0.102m
Design	Desktop
USB specification	USB 2.0
Screen connectors per console	1
Front panel buttons
USB peripherals
Incl. KVM cableset
Weight & dimensions
Width	81.7 mm
Depth	202.3 mm
Height	25 mm
Weight	470 g

The ATEN CS784H 4-Port USB 4K HDMI KVMP™ Switch allows users to control up to 4 computers with a single USB keyboard, mouse, and HDMI monitor. The CS784H effectively reduces desktop clutter and minimises the cost and complexity of multi-system setups.
The CS784H offers multiple port selection methods, including a remote port selector switch, hotkeys, and mouse wheel switching, to ensure maximum flexibility. In addition, the CS784H features USB peripheral sharing, allowing users to share USB 2.0 devices such as printers, storage drives or scanners with all connected computers.
The CS784H supports resolutions up to 4096 x 2160 at 60 Hz and ultra-wide resolutions up to 5120 x 1440 at 60 Hz, ensuring ensures optimised screen resolution with exceptional detail and clarity in all conditions. Thanks to ATEN's patented Video DynaSync™ technology, the CS784H ensures optimal resolution and consistent window layout during port switching for smooth multi-system workflows.
The CS784H includes all necessary HDMI and USB cables, as well as a power supply for immediate plug-and-play setup and hassle-free installation without additional purchases. Designed for SOHO environments, remote workstations or office setups, the CS784H provides efficient control of multiple computers with exceptional video playback and ease of use.
Control up to 4 PCs with a single USB keyboard and mouse, simplifying cabling and reducing the cost of multi-computer configurations
Superb video quality – up to 4096 x 2160 at 60 Hz, 5120 x 1440 at 60 Hz. Exclusive ATEN technology ensures optimal resolution and consistent window layout during port switching for smooth multi-system workflows
Computer selection via remote port selector, hotkeys and USB mouse
Multi-platform support – Windows, Mac and Linux
Shared use of USB peripherals
All HDMI/USB cables and power supplies included – for plug-and-play setup and hassle-free installation, no additional purchases required Power-on detection automatically switches to the next active computer Supports most gaming/multimedia keyboards and multifunction mice with emulation or bypass with emulation or bypass
The automatic scan function enables continuous monitoring of connected systems
Plug and play – no software installation or configuration required Supports hot plugging Firmware upgradeable Scope of delivery 1 x CS784H 4-port USB 4K HDMI KVMP™ Switch
4 x HDMI cables
4 x USB Type-A to USB Type-B cables
1 x Remote control port selector switch
1 x Foot pad set (4 pieces)
1 x Power supply unit
1 x User manual
Computer connections4
Port selectionHotkey, push button, mouse, remote control, port selector switch
Connections
Console ports2 x USB Type A female
1 x HDMI female (black)
1 x 3.5 mm audio jack female (green; 1 x front)
KVM (computer) ports4 x USB 2.0 Type B socket (white)
4 x HDMI socket (black)
Power supply1 x DC jack
USB hub2 x USB 2.0 Type A female (white; 2 x front)
Switches
Selected4 x push buttons
LEDs
Online / selected4 (orange)
Emulation
Keyboard / mouseUSB
VideoUp to 4096 x 2160 at 60 Hz, 5120 x 1440 at 60 Hz
Search interval1–99 seconds (default: 5 seconds)
Power consumptionDC5V:1.73W:34BTU/h
Note:
The measurement in watts indicates the typical power consumption of the device without external load.
The measurement in BTU/h indicates the power consumption of the device when it is under full load.
Environment
Operating temperature0-40°C
Storage temperature -20-60°C
Humidity0–80% relative humidity, non-condensing
Physical characteristics
HousingMetal, plastic
Weight0.47 kg (1.04 lb)
Dimensions (L x W x H)20.23 x 8.17 x 2.50 cm (7.96 x 3.22 x 0.98 in.)