HDK403-P23-USBK
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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$585.00 - Regular price
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$585.00 - Sale price
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$585.00
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Overview & Key Features
TESmart With You. Evolving For You!
The HDK403-P23 is a KVM that supports 4K@60Hz, HDMI 2.0, and DP 1.2, controlling 4 computers and 3 monitors with a single keyboard and mouse. It features advanced EDID technology and a built-in 1000Mbps network card. Perfect for workers managing multimedia workstations or multitasking across multiple PCs, meeting both gaming and work demands.
Why You’ll Love It:
•Resolution Options: 3840×2160@60Hz, 3440×1440@100Hz, 2560×1440@120Hz, 1920×1080@240Hz
•Pass-through & Legacy Emulation Mode: Compatible with many mechanical and gaming keyboards
•Independent Audio Locking: Focused audio when switching input sources
•Gigabit Network Card
•USB Focus and Front Panel Audio Locking
What's in the box
The HDMI 2.0 & DP 1.2 kvm switch kit comes with complete kvm-to-pcs cables (4 * KVM Cables & 8 * DP Cables) for a complete setup.
- 1 * 4x3 HDMI+DP triple monitor KVM Switch
- 4 * KVM Cables (HDMI+USB)
- 8 * DP Cables
- 1 * IR Remote Control
- 1 * DC 12V Power Adapter
- 1 * User Manual
- 2 * Rack-ears
Downloads & Manual
| Country or Region | Estimated delivery time | Freight | postman |
| United States (Contiguous 48 States) | 3-5 working days | Free Shipping | UPS/USPS/FedEx/uniuni |
| U.K. | 3 working days | UPS/DPD | |
| Canada | 3-5 working days | Starting at $20 | Purolator/UPS |
| China (Macao SAR, Hong Kong SAR, Taiwan) | 1-3working days | Starting at $30 | SF Express |
| Australia, New Zealand, Saudi Arabia, United Arab Emirates, Israel, United States (Alaska, Hawaii, U.S. Territories & Military Addresses) | 5-12 working days | Starting at $60 | DHL/FedEx/UPS |
| Singapore, Malaysia, Philippines, Thailand | 5-12 working days | Starting at $30 | DHL/FedEx/UPS |
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Orders cannot be canceled or modified once placed due to automated processing.
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If a return is needed, contact service@tesmart.com within 30 days of delivery. Items must be in original condition with all packaging and accessories.
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Return shipping for non-quality issues is the customer’s responsibility.
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Products from third-party retailers
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Items damaged by misuse
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Order number, proof of purchase
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Photos/videos (if defective), full shipping address, and phone number
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Within 30 days: Refunds/returns accepted for both quality and non-quality issues
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30 days–1 year: No returns/refunds; repair or replacement may be offered
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1–3 years: No returns/refunds; replacement or Upgrade /trade-in up to 50% discount after 3 months (members only)
- Exclusive to official store customers
- Choose the one that best fits your setup
- ❗ Pick only one: a free accessory or an event discount (cannot combine both)
- Select your KVM.
- Pick 1 free accessory in the section below (you can change it if you like).
- Add to cart and check out together.
The return and refund policy process overview is shown below. For the full policy, please refer to the Full Policy page below.
1.Order Cancellation & Modification
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To ensure timely delivery for every customer, TESmart’s order and shipping system is fully automated. Most orders are processed and dispatched within a few hours, and always within 24 hours depending on warehouse workload. Customers may cancel an order at any time before it ships, including within our 30-day cancellation window. Once an order has shipped, it can no longer be canceled or modified.
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Please kindly contact us within 30 days of delivery at service@tesmart.com, If you wish to return a product after receiving it, ensure the product and packaging are undamaged and in original condition.
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⚠️ Return shipping costs for non-quality issues are the responsibility of the customer. For more details, please kindly see below.
2.Return Process
2.1 Return Conditions:
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Products must be returned in original packaging, including all accessories, manuals, and documentation.
2.2 Items Not Eligible for Return:
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Products purchased from third-party retailers.
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Products damaged due to misuse or improper handling by the customer.
2.3 Return Request:
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Order number
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Proof of purchase
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Photos or videos of the defective product (to speed up processing)
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Full shipping address
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Contact phone number
2.4 Processing Time:
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Our support team will respond to your return request within 48 hours and provide the return warehouse address in your country/region.
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For certain countries/regions (e.g., the U.S., Germany, and the EU), we may provide a prepaid return label after confirming your address to expedite the return/refund process.
2.5 Return Address:
- Please contact our customer service at service@tesmart.com before returning the product. Once confirmed, you may send the item to the designated TESmart return warehouse.
- Unit 108, 8333 Rochester Ave
STX-X166
Rancho Cucamonga, CA 91730
United States
2.6 Warehouse Inspection:
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Upon receipt, TESmart will inspect the returned item(s).
3. Refund Process
3.1 Refund Trigger:
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Once the returned product is received and inspected by our warehouse, the refund process will begin.
3.2 Refund Timeframe:
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Refunds will be processed within 5 business days after the return is received.
3.3 After-Sales Categories:
3.3.1 Within 30 days of delivery:
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The product is in its original packaging with all accessories.
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Return photos are provided before shipping.
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Non-quality issues: Return and refund supported within 30 days. Return shipping is the customer’s responsibility.
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Quality issues: Return and refund supported within 30 days. Return shipping is covered by TESmart.
3.3.2 From 30 days to 1 year after delivery (warranty period):
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Return/refund not supported. Please email service@tesmart.com to contact our after-sales support team.
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After evaluation by our technical team, we may offer product repair or replacement with the same model.
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To ensure timely service, we prioritize replacements.
3.3.3 From 1 to 3 years after purchase (for VIP Members) :
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Return/refund not supported.
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You may contact our after-sales support team for replacement of the same model.
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If you wish to upgrade the product after 3 months from purchase, members may Upgrade & Trade-in up to 50% discount off the original order’s paid amount toward your new purchase.
For detailed terms and conditions, please visit: https://www.tesmart.com/pages/tesmart-id-trade-in
4. After-Sales Support & Issue Resolution
4.1 Contact Information:
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For any questions or support requests, please contact TESmart Customer Service: 📧 service@tesmart.com
4.2 Delayed Refunds (if you haven’t received a refund after 5 business days):
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Check your bank account (ensure it is the one used for the purchase).
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Contact your card issuer (credit/debit card providers may experience processing delays).
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Contact your bank to confirm the transaction status.
Tech Specs
| Product Attribut | |
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Model (SKU) |
HDK403-P23-USBK
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Compatible Setup |
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Max Resolution |
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Supported Resolutions |
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VRR (Variable Refresh Rate) |
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MST (Multi-Stream Transport) |
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Laptop Charging |
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Network Port |
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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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Switching Methods |
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Assignable Hotkeys |
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Legacy Emulation Mode |
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Input Ports |
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Output Ports |
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Docking Ports |
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Display Modes |
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Manual (PDF) |
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From 4K to 240Hz — It Just Works
Three Displays, More Flexible Modes
EDID Emulation — Stable Screens, No Surprises
Easy Switching, 4 Ways
One switch, endless options. Whether for gaming, content creation, or multi-window workflows, our KVM handles a wide range of resolutions and refresh rates with ease.
Each KVM output supports up to:
- 3840×2160 (4K UHD) — 60Hz
- 3440×1440 (21:9 Ultra-Wide) — 100Hz
- 3840×1080 (32:9 Ultra-Wide) — 120Hz
- 2560×1440 (QHD) — 120Hz
- 2560×1080 (21:9 Ultra-Wide) — 165Hz
- 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 like video editing, finance dashboards, or immersive simulations. Mirror or extend display via your system settings. - Mode 2: Any 3 of 4 PCs on 3 Monitors at Once
Assign different PCs to each monitor. Display PC1 on Monitor A, PC2 on B, PC4 on C — any combination works. Great for developers, cybersecurity labs, or multi-system supervision.
Switching displays shouldn’t scramble your desktop. Our built-in EDID emulator keeps your layout exactly how you left it.
- No More Icon Mess
Preserves icon positions and window sizes when switching inputs. - Flicker-Free Switching
Eliminates screen blackouts and flicker caused by display reinitialization. - Smoother Multitasking
Maintain visual consistency across workstations and monitor setups.
✅ With TESmart EDID emulation: your display stays stable and unchanged — even after switching.
⚠️ Without EDID emulation: icons shift, windows resize, and screen flicker occurs after every switch.
Switching shouldn’t slow you down — we offer four seamless methods to suit any setup or habit:
- Hotkey Switching — Use fixed key combos for quick source changes
- Front Panel Button — Simple, direct access anytime
- IR Remote — Stay in control from across the desk
- Mouse Wheel — Tap twice to switch instantly
Whether you're working, gaming, or presenting — choose the method that fits your flow.
Independent USB & Audio Focus Lock
Prevent Accidental Input – Even From Your Cat
Dedicated K&M Ports with Dual-Mode Support
Switch displays without interrupting your USB devices or audio.
This KVM lets you lock USB 3.0 and L/R audio focus independently, so your headset, webcam, or external drives stay connected to the current PC — even while switching screens.
Highlights:
- Lock USB and audio separately
- Prevent call or device dropouts
- Lock state remains after reboot
✅ Ideal for meetings, streaming, and multitasking
⚠️ USB focus ≠ keyboard & mouse focus — they switch separately
Avoid unwanted inputs during meetings, presentations, or idle time. With one button, you can lock screen output, audio, and all control interfaces.
- One-Touch Lock
Freezes display, disables USB, audio, hotkeys, and IR control. - PIN Unlock
Resume exactly where you left off by entering your custom password. - Peace of Mind
Prevents accidental switching — ideal for homes with kids or pets.
✅ Hotkeys and remote controls are disabled while locked.
⚠️ To unlock, press the Lock button again and enter your PIN.
To improve keyboard and mouse compatibility — especially during hotkey switching — we designed two specialized connection modes:
- Pass-Through Mode (Recommended)
Direct passthrough to the PC. Supports advanced drivers, macros, high-DPI mice, and multifunction input devices. Ideal for gaming, design, and pro workflows. - Legacy Emulation Mode
Ensures universal compatibility and stable hotkey functionality across most systems. Best for office or when driver issues occur.
✅ Hotkey commands only work when your keyboard is connected to the dedicated K&M port.
⚠️ Emulation Mode disables driver-based software and advanced features.
⚠️ Bluetooth keyboards/mice are not supported.
⚠️ Legacy Emulation Mode available via firmware update (Prime 23 series)
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Recycling & Trade-in
Up to 50% Credit on Recycling
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Free Shipping
US / UK · 3–5 Business Days
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30-Day Free Returns
Hassle-Free Return & Purchase Guarantee
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Extended Warranty: 1+2 Years
Register to unlock 2 extra years of coverage
