4 Port 4K Dual Monitor DisplayPort 1.2 KVM Switch with USB Hub
DPN-4DUO-S
Save $198.48
The SmartAVI DPN-4Duo is a dedicated multi-platform 4K KVM switch capable of managing four dual-head computers through two DisplayPort monitors, one USB keyboard, one USB mouse, and other USB 2.0 devices. The dual-head compatibility of the switch enables increased workflow capabilities. DisplayPort is one of the latest options in screen connectivity that delivers top quality highdefinition video, and this device is DisplayPort 1.2 complant with support for screen resolutions up to 3840x2160 (@30Hz). HDMI and DVI video connections are supported with the proper video converters, and the device is backwards compatible with prior DisplayPort versions.
The DPN-4Duo provides a simplified management approach for four DisplayPort equipped computers USB 2.0 outputs for a keyboard, mouse and other USB peripheral devices such as a printers and flash drives. This dynamic KVM console can be controlled keyboard Hot Keys or RS-232 commands, as well as directly through the console's easy-to-read front panel. EDID Pass-Through technology enables smooth and efficient switching, making the device easy to implement in virtually any scenario.


DPN-4Duo Rear
DPN-4Duo Features & Benefits
- Switch KVM control on four connected dual-head computers from one workstation with two DisplayPort monitors
- Supports resolutions up to 3840x2160 (@30Hz)
- DisplayPort 1.2 compliant
- Zero pixel loss with TMDS signal correction
- Supports all USB 2.0 devices, including keyboard and mouse
- Supports Windows, Mac and Linux
- Rack mountable in a standard 19 inch rack (rackmount kit sold separately)
- Supports control via RS-232
- Hot key commands for quick channel selection
- Independent (asynchronous) switching of KVM and peripheral USB ports. Users can scan a document and save in another computer
- Complete keyboard emulation for error free booting
- Front panel keys for manual switching
- HDMI and DVI supported with adaptors, backwards compatible with prior DisplayPort versions
DPN-4DUO-S (DPN-4Duo System) Package Includes
- (1) DPN-4Duo
- (1) PS5VDC4A Power Supply
- (1) Quick Installation and User Guide
DPN-4Duo Resources
SmartAVI DPN-4Duo Brochure (PDF)
SmartAVI DPN-4Duo Manual (PDF)
SmartAVI DPN-4Duo Specifications
Video | |
Format | DisplayPort 1.2 |
Input Interface | (8) DisplayPort (female) |
Output Interface | (2) DisplayPort (female) |
Resolution | Up to 4K (3840x2160 @30Hz) |
DDC | Faux transaction mode option over Aux channel |
Input Equalization | Automatic |
USB | |
Signal Type | USB 2.0, 1.1, and 1.0 w/ internal Hub |
Input Interface | (4) USB Type B (female) |
Output Interface | (2) USB 1.1 Type A (female) for keyboard and mouse (2) USB 2.0 Type A Transparent |
Control | |
Front Panel | < M1||M2 > Source SELECT buttons |
RS-232 | DB9 Female - 9600 N,8,1, No flow control |
Hot Keys | Via Keyboard, Select/Switch between AV sources |
Emulation | Keyboard and Mouse only |
Other | |
Power | External 100-240 VAC/ 5VDC3A |
Dimensions | 2.875" H x 6" D x 12.75" W |
Weight | 4.4 lbs |
Approvals | UL, CE, ROHS Compliant |
Operating Temp. | 23 to 95 F (-5 to 35 C) |
Storage Temp. | -4 to 185 F (-20 to 85 C) |
Humidity | Up to 90% (No Condensation) |
The DPN-4Duo-S is also known as the DPN-4DuoS & DPN-4PDuo

UPC 813280017114
EAN 0813280017114
Answer: Thank you for your inquiry. We are updating our webpage to reflect the newly available refresh rate information.
Question: Does the display port 1.2 compliance include multistreaming to chain an additional monitor off the first display port connection?
Answer: Thank you for your inquiry,
Multistreaming (MST) is is not supported on the DPN-4PDUO, but may work on certain monitors. The DisplayPort signal is processed along the way so most of the time the datalanes do not have a transparent 1-1 connection. Unfortunately we are unable to recommend a solution with MST as this is not a feature that our vendors support; We would generally recommend avoiding cascading DisplayPort monitors when connected to a KVM - you can achieve multi screen setups over individual video connections.
Question: What is the guarantee period ?
Answer: Thank you for your inquiry. All new Smart-AVI products come with a standard 1 year warranty for defects in materials and workmanship.
Question: If this device is for four PC connections, why are there 8 different input ports?
Answer: Thank you for your inquiry,
SmartAVI DPN-4Duo is designed for switching 4 Dual-monitor PCs - this KVM unit takes in two video inputs as well as 1 USB input from each PC source. For an illustration of this, please see image below:

For a 4-port single-monitor version of this switch, please see the SmartAVI DPN-4P.
Question: How would I connect source computers since the cable recommended for this device (CCDPMMKVM-06-S) only has a single (not dual) Dport connection per cable? Please advise?
Answer: Thank you for your inquiry,
This DPN-4Duo KVM would require (1) CCDPMMKVM-06-S + (1) DisplayPort cable (i.e. C2G 54401) per source computer - so a total of 4 of each cable for 4 dual monitor sources.
Please let us know if there is anything else we can help you with!