HDK403-P23-EUBK
HDMI 2.0 & DP 1.2 Triple Monitor KVM-Switch 4K60Hz with USB 3.0 HUB, HEADSET, Audio & microphone
- Regular price
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€644,60 - Regular price
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€644,60 - Sale price
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€644,60
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Overview & Highlights
Optimized HDMI and DP signals for seamless multi-screen control. That's why TESmart shines in 4x3 triple monitor KVM solutions.
True triple display support, powered by advanced chip technology, reliable built-in EDID management, 99% monitor compatibility and zero signal interruption for extended or mirrored displays. Easily manage up to 4 computers across 3 monitors with a single keyboard and mouse configuration.
Related products:
HKS203-P23: The sibling product Triple 4K60 for 2 PCs (HDMI 2.0) & 3 monitors (HDMI 2.0).
DKS203-M24: The sibling product Triple 8K60 for 2 PCs (DP 1.4) & 3 monitors (DP 1.4).
For Triple 4K/60Hz Workstations:
Effortlessly switch inputs with a single button, designed for professional multimedia workstations.
For 4 PC management:
Easily switch between up to four computers with a single keyboard and mouse configuration, increasing productivity and simplifying multi-PC control.
About this product:
Scope of delivery
- 1 * 4x3 HDMI+DP Three-Monitor KVM Switch
- 4 * KVM cables (HDMI+USB)
- 8 * DP cables
- 1 * IR remote control
- 1 * DC-12V power supply
- 1 * User manual
- 2 * Rack panels
Downloads & User Manual
Thank you for shopping at https://www.tesmart.de/. To track your order, please contact tesmart.de (service@tesmart.de) so that we can provide you with the tracking number of the order.
Order processing time
- This is the time that elapses between the customer placing the order and the seller handing over the order to the delivery service.
- Orders are usually shipped within 1-3 business days after order confirmation/payment. Orders placed over the weekend may experience delays.
- Our warehouse is open Monday through Friday during normal business hours only, excluding public holidays. In these cases, we take steps to minimize shipping delays.
-In general, your order will be carried out from our warehouse in GERMANY. However, if the warehouse in GERMANY is not in stock, we will expedite the shipping from our Chinese warehouse for you. Rest assured, we aim to get your order to you as quickly as possible.
Shipping costs & shipping time
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Area
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Approximate delivery time
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Shipping costs
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courier
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Germany
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2-5 days
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Free shipping
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DHL
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Belgium, Denmark, France, Luxembourg, Monaco, Netherlands, Austria, Poland, Czech Republic
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3-8 days
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Free shipping
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DHL
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| Liechtenstein, Switzerland, Monaco | 3-8 days | €10 | DHL |
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Italy, Sweden, Slovakia, Slovenia, Spain, Hungary
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5-10 days
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Free Shipping
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DHL
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| Andorra, San Mariello, Vatican | 5-10 days | €10 | DHL |
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Bulgaria, Estonia, Finland, Greece, Ireland, Croatia, Latvia, Lithuania, Malta, Portugal, Romania, Cyprus
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7-15 days
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Free Shipping
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DHL
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| Albania, Bosnia and Herzegovina, Faroe Islands, Greenland, Iceland, North Macedonia, Montenegro, Norway, Moldova, Serbia, Ukraine, Belarus | 7-15 days | €10 | DHL |
| Åland Islands, Gibraltar, Guadeloupe, Guernsey, Isle of Man, Jersey, Kosovo, Mayotte, Réunion, Svalbard and Jan Mayen, Georgia, Turkey, Armenia | 10-30 days | €10 | DHL |
| UK | 10-12 days | Standard 0kg-5kg €65.00 EUR Heavy goods shipping 5kg and more €80.00 EUR |
FedEx/DHL |
Due to the special customs tariffs in Great Britain, there is a high probability that shipments from EU countries will be rejected. Therefore, we are forced to charge shipping costs of at least 65 euros for shipping our goods from China. We apologize for any inconvenience this may cause you.
Total shipping time = processing time + shipping time (depending on your location)
Tracking
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You will receive an email when your order has been shipped. You will receive a tracking number (tracking number will become active within 24 hours). Please note: this may take longer during events or public holidays.
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Tracking information may take 48 to 72 hours to update.
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If you cannot track your package normally, please contact us and we will solve this problem within 48 hours.
Delivery time exceeded
In general, your order will be processed from our warehouse in GERMANY. However, if the warehouse in GERMANY is not in stock, we will expedite the shipping from our Chinese warehouse for you. Rest assured, we aim to get your order to you as quickly as possible.Delays may occur due to logistics planning or other unavoidable circumstances.If your order is delayed, please contact us by email service@tesmart.de. We will clarify the situation with the transport company in time. Thank you for your understanding and support.
Cancellation of order
We can cancel the order for you if you contact us in time after your purchase. If your payment has been completed and the package has not yet been dispatched, you can cancel your order before your item is delivered. We will then refund you in full.
Orders cannot be canceled once the package has been shipped.
About taxes
On rare occasions, customs fees may be charged by your government, not by us. We apologize for any inconvenience, but we have no control over the customs authorities in your country or any other. Contact your local customs office for more information on customs fees, duties and taxes.
Phone: +（86）136 0253 9310
Email: service@tesmart.de
- TESmart-Bestellungen werden automatisch bearbeitet. Nach dem Versand können sie nicht storniert oder geändert werden, einschließlich Adressänderungen.
- Wenn Sie eine Rückgabe oder Rückerstattung wünschen, kontaktieren Sie uns bitte innerhalb von 30 Tagen nach Erhalt des Produkts unter service@tesmart.de.
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Die Rückgabe ist nur möglich, wenn das Produkt unbenutzt, vollständig und originalverpackt ist.
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Bei nicht qualitätsbedingten Rückgaben trägt der Kunde die Rücksendekosten.
- Bei Rückgabe oder Rückerstattung aufgrund von Qualitätsproblemen übernimmt TESmart die Rücksendekosten.
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Produkte, die nach 30 Tagen und innerhalb von 2 Jahren Probleme aufweisen, können nicht zurückgegeben, aber je nach Prüfung repariert oder ersetzt werden (nur gleiches Modell, Ersatz bevorzugt für Mitglieder).
- Zwischen dem 2. und 3. Jahr wird kein Rückgabe- oder Rückerstattungsservice angeboten. Mitglieder können nach 3 Monaten ab Kaufdatum im Rahmen der Trade-in-Politik einen Rabatt von bis zu 50 % des ursprünglich gezahlten Produktpreises auf den Kauf eines neuen Produkts erhalten. Für detaillierte Geschäftsbedingungen besuchen Sie bitte: https://tesmart.de/pages/tesmart-id-trade-in
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Rückerstattungen erfolgen innerhalb von 5 Werktagen nach Wareneingang im Lager.
Für Fragen: service@tesmart.de
Vollständige Richtlinien:
Technical data
| Produkattribute | |
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Modell (SKU) |
HDK403-P23-EUBK
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Kompatibles Setup |
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Max Resolution |
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Supported Resolutions |
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VRR (Variable Bildwiederholfrequenz) |
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MST (Multi-Stream Transport) |
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Laptop-Aufladung |
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Netzwerkanschluss |
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Independent Audio Focus Switching |
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Independent Audio Focus Locking |
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Thunderbolt 4 Ports |
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EDID Emulation |
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Umschaltmethoden |
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Belegbare Hotkeys |
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Legacy-Emulationsmodus |
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Input Ports |
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Output Ports |
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Docking Ports |
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Anzeigemodi |
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Handbuch (PDF) |
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From 4K to 240 Hz – it simply works.
Three displays, more flexible modes
EDID emulation – Stable screens, no surprises
Built-in shared docking station
One switch, endless possibilities. Whether for gaming, content creation, or multi-window workflows – our KVM effortlessly handles a wide range of resolutions and refresh rates.
Each KVM output supports up to:
• 3840×2160 (4K UHD) — 60Hz
• 3440×1440 (21:9 Ultra-Wide) — 100 Hz
• 3840×1080 (32:9 Ultra-Wide) — 120 Hz
• 2560×1440 (QHD) — 120Hz
• 2560×1080 (21:9 Ultra-Wide) — 165 Hz
• 1920×1080 (FHD) — 240Hz
• Mode 1: One PC on all 3 monitors (Extend or Mirror)
Use a single PC to drive all three monitors. Ideal for multi-window workflows such as video editing, financial dashboards, or immersive simulations. Mirror or extend the display via your system settings.
• Mode 2: Display any 3 out of 4 PCs simultaneously on 3 monitors
Assign a different PC to each monitor. For example, point PC1 to monitor A, PC2 to monitor B, and PC4 to monitor C – any combination is possible. Perfect for developers, cybersecurity labs, or monitoring multiple systems.
Switching between displays shouldn't mess up your desktop. Our integrated EDID emulator ensures your layout stays exactly as you left it.
• No more misplaced symbols
Retains the position of desktop icons and the size of open windows when switching inputs.
• Flicker-free switching
Prevents screen dropouts and flickering caused by re-initializing the display.
• Smoother multitasking
Maintains visual consistency between workstations and monitor setups.
✅ With TESmart EDID emulation: Your display remains stable and unchanged – even after switching.
⚠️ Without EDID emulation: Icons move, window sizes change, and the screen flickers after every switch.
Streamline your setup with a built-in docking station that keeps everything connected — no extra hubs required.
• USB 3.0 (5Gbps) — High-speed data for drives and peripherals
• Gigabit Ethernet (1000Mbps) — Stable, wired internet for all devices
• 3.5mm Headset Jack — Unified audio input/output for meetings and calls
A cleaner, more efficient workspace — ideal for work-from-home or shared desk environments.
Easy switching – 4 ways to select
Independent USB & Audio Focus Lock
Prevent unintentional input – even from your cat
Dedicated K&M ports with dual-mode support
Switching shouldn't slow you down – we offer four seamless methods to suit every setup and habit:
• Hotkey switching – Fixed key combinations for quick source switching
• Front button operation – Direct access, anytime and easily
• IR remote control – Convenient control from your desk
• Mouse wheel toggle – Double tap, toggle instantly
Whether at work, gaming, or giving presentations – choose the method that suits your workflow.
Switch displays without interrupting your USB devices or audio connection.
This KVM allows you to independently lock the focus of USB 3.0 and L/R audio – so that headsets, webcams or external drives remain connected to the current PC, even during screen switching.
Highlights:
• Lock USB and audio focus separately
• Avoid interruptions to calls or devices
• Lock status remains even after restarting
✅ Ideal for meetings, streaming and multitasking
⚠️ USB focus ≠ Keyboard & mouse focus – they are switched separately
Prevent unwanted input during meetings, presentations, or breaks. With just one keystroke, you can lock the video output, audio, and all control interfaces.
• One-touch lock
If the display freezes, USB, audio, keyboard shortcuts and IR control are disabled.
• PIN unlocking
Continue your session exactly where you left off – with your individual password.
• Reassuring security
Prevents accidental switching – ideal for households with children or pets.
✅ Key combinations and remote controls are disabled when the device is locked.
⚠️ To unlock, press the lock button again and enter your PIN.
To improve keyboard and mouse compatibility – especially when switching hotkeys – we have developed two special connection modes:
• Pass-through mode (recommended)
Direct routing to the PC. Supports advanced drivers, macros, high-DPI mice, and multifunctional input devices. Ideal for gaming, design, and professional workflows.
• Legacy emulation mode
Ensures universal compatibility and stable hotkey functionality on most systems. Best suited for office use or when experiencing driver issues.
✅ Hotkey commands only work when your keyboard is connected to the dedicated K&M port.
⚠️ In emulation mode, driver-based software and advanced features are disabled.
⚠️ Bluetooth keyboards and mice are not supported.
⚠️ Legacy emulation mode is available via firmware update (Prime-23 series).
FAQs
Why can't my computer use Wi-Fi anymore after connecting it to the KVM switch?
The KVM switch has an integrated network card that is enabled by default. Computers may prioritize the wired connection. If you want to use Wi-Fi instead of the KVM's wired connection, you can: Disable the KVM's integrated network card: Press [Right Ctrl] → [Right Ctrl] → [F4] to turn off the integrated network card. Note: A buzzer will sound twice when enabling and once when disabling. Disable the USB network adapter in computer settings (example: Windows 11): Method 1: Advanced network settings - Press [Win + I] to open Windows Settings. Go to Network & Internet → Advanced network settings. In the list, locate the adapter named Realtek USB GbE Family Controller. Click Disable. Method 2: Device Manager - Press [Win + X] and select Device Manager. Expand Network adapters and locate Realtek USB GbE Family Controller. Right-click and select Disable device.
How can I use my keyboard and mouse between different computers?
In Display Mode 2 (i.e., when three monitors display different computer screens), the keyboard/mouse focus can be switched independently to control different computers. The KVM switch's LCD displays the current status in real time: The leftmost number indicates which computer the keyboard/mouse focus is currently on (e.g., "1" for PC1, "2" for PC2). Hotkey switching: Press [Right Alt] → [Right Alt] to switch the keyboard/mouse focus between different computers. Tip: Switching the keyboard/mouse focus does not affect the video display; the video layout remains configured as in Display Mode 2.
Could switching settings cause the host computer's resolution to be reset or Windows to rearrange the windows?
No. The HDK403-P23 has an EDID emulator that prevents loss of resolution or refresh rate and avoids the reorganization of windows when switching between computers.
Does this KVM support my 4K@144Hz or 8K monitor?
No. The HDK403-P23 supports HDMI 2.0 with a maximum resolution of 4K (2160p)@60Hz and is backward compatible with 2K (1440p)@60Hz/120Hz.
Does the KVM support both Mac and Windows environments?
Yes. The HDK403-P23 is compatible with a wide range of operating systems, including Windows, macOS, Unix, and Linux-based systems such as Debian, Ubuntu, Fedora, and Raspbian (including support for Raspberry Pi). It works in mixed operating system environments without additional configuration.
Why aren't my USB peripherals working?
Connection requirements: The KVM switch uses the USB-B ports of PC1/2/3/4 for data transfer. Ensure that the computers' USB 3.0 ports are securely connected to the corresponding USB-B ports on the KVM switch. Port restrictions: USB ports with keyboard/mouse symbols are reserved exclusively for those devices. Bandwidth limitations: The KVM switch functions as a USB hub. Power supply issues: Connect high-power USB devices directly to your PC whenever possible, or use a powered USB hub. USB hub cascading limitations: The USB architecture supports a maximum of 7 cascading levels. Recommended solutions: Avoid docking stations and minimize cascading.
Why isn't my audio device working?
Connection requirements: The KVM switch's audio functionality relies on the USB-B ports of PC1/2/3/4. Ensure all computers are securely connected to the corresponding USB-B ports on the KVM switch. Computer sound settings: For a 3.5 mm jack connection, select 'USB Audio' as the default output device in your computer's sound settings. For a USB 3.0 connection, select the corresponding USB audio output. If no sound is output via the 3.5 mm jack even after correct configuration, we recommend using a USB sound card (USB-to-3.5 mm adapter).
Why aren't my keyboard and mouse working properly?
Common symptoms: Keyboard input is unresponsive or delayed; keystrokes are stuck or double-registered; mouse movements are jerky or laggy; keyboard shortcuts (hotkeys) do not work. Recommended solutions: Try switching to Legacy Emulation Mode to improve compatibility with a wider range of keyboards and mice: Press [Right Ctrl] + [Right Ctrl] + [F2]. If the problem persists, please contact our technical support team at support@tesmart.com.
Further questions?
If you have any further questions that are not answered in this FAQ, please contact our technical support team at support@tesmart.com. We are here to help!
Does the KVM switch support firmware updates?
Yes, TESmart KVM switches support official firmware updates designed to fix common issues and improve compatibility. Important note: Firmware updates carry inherent risks. Installing the wrong version or performing the process incorrectly can cause device malfunctions. Therefore, it is strongly advised against performing a firmware update yourself if your device is working normally. If an update is necessary, please contact our technical support team for: the correct firmware version for your specific model, step-by-step update instructions, and technical support throughout the entire process.
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Recycling & Trade-in
Up to 50% credit for recycling
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Free Shipping
DE: 3 working days · EU: 3–7 working days
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30-day free return policy
Hassle-free returns & purchase guarantee
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Extended warranty: 2+1 years
Register and receive an additional year of warranty
