HDK402-M24-AUBK
HDMI 2.1 & DP 1.4 Dual 4K144Hz KVM Switch Gaming Dock for 4 PCs & 2 Monitors, w/ ADI Chip, EDID, VRR, FVA, ALLM, and Dynamic HDR
- Regular price
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$739.00 - Regular price
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$739.00 - Sale price
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$739.00
Shipping calculated at checkout.
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Overview & Key Features
TESmart With You. Evolving For You!
The HDK402-M24 TESmart KVM supports HDMI 2.1, 8K@60Hz, with connections for 4 computers and 2 monitors. It features ADI chipset dual 8K60Hz resolution, built-in stable EDID emulator, offering 99% monitor compatibility with zero flickering, no black screen, or screen tearing. Ideal for designers, IT professionals, or gamers who need stability in multi-device setups.
Why You’ll Love It:
• Ultimate Display Performance: Supports 7680×4320@60Hz (DSC), 3840×2160@240Hz (DSC)
• Dual 8K/4K Editing: 12-bit color depth for accurate color reproduction
• Immersive Visuals: Dynamic HDR, VRR (G-Sync/FreeSync), FVA, and ALLM
• Full Hardware Compatibility: Nvidia/AMD graphics, plug-and-play
• Smart KVM Functions: Hotkeys, mouse wheel, front panel, infrared control
• Comprehensive Compatibility: Windows/macOS/Linux (including Raspberry Pi)
What's in the box
The HDMI 2.1 & DP 1.4 kvm switch kit comes with complete kvm-to-pcs cables (4 * KVM Cables & 4 * DP Cables) for a complete setup.
- 1 * 4x2 HDMI+DP Dual KVM Switch
- 4 * KVM Cables（HDMI+USB）
- 4 * DP 1.4 Cables
- 1 * IR Remote Control
- 1 * DC 12V Power Adapter
- 1 * User Manual
Downloads & Manual
Shipping Policy Overview
TESmart Shipping Policy Overview
1. Order Processing
◦ Shipped in 48 hours (excludes weekends/holidays)
◦ US warehouse primary source; Nearest warehouse backup if out-of-stock
2. Shipping & Delivery
◦ Total time = Processing + Destination-based shipping
◦ Costs/delivery times vary (see website details)
| Country or Region | Estimated delivery time | Freight | postman |
| United States (excluding Alaska and Hawaii) | 3-5 working days | Free Shipping | UPS/USPS/ DHL/FedEx/DPD |
| Canada, U.K. | |||
| China (Macao SAR, Hong Kong SAR, Taiwan) | 3-5 working days | Starting at $30 | DHL/FedEx/UPS |
| Australia, New Zealand, Saudi Arabia, United Arab Emirates, Israel,Alaska, Hawaii | 5-12 working days | Starting at $60 | DHL/FedEx/UPS/USPS |
| Singapore, Malaysia, Philippines, Thailand | 5-12 working days | Starting at $30 | DHL/FedEx/UPS |
3.Tracking
◦ Tracking # emailed post-shipment (activates in 24h)
◦ Allow 48-72h for updating logistics information
4. Delays
◦ Email service@tesmart.com for carrier investigation
5. Cancellation
◦ Only possible before shipment
◦ If need be, please kindly contact our support service for return and refund within 30 days of delivery.
6. Taxes/Duties
◦ Import fees are the customer's responsibility. Please contact your local tax office.
7. Contact Us
📧 : service@tesmart.com
Click here to view the full Shipping Policy
Return & Refund Policy Summary
TESmart Return & Refund Policy Summary (U.S. Site)
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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.
Returns not accepted for:
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Products from third-party retailers
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Items damaged by misuse
To request a return, email with:
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Order number, proof of purchase
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Photos/videos (if defective), full shipping address, and phone number
Refunds are issued within 5 business days after the returned item passes inspection.
Return eligibility:
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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 at 30% discount after 4 months (members only)
Contact Us by Email: service@tesmart.com
Full policy: https://www.tesmart.com/pages/refund-policy
Membership details: TESmart Membership Policy
Unlock Exclusive TESmart Member Benefits: Save More, Upgrade Smarter
🔔 TESmart Membership Program Has Been Upgraded! Starting April 1, 2025, enjoy powerful new member benefits:
✓ 30% off KVM switch trade-in (unlimited use)
✓ Extended 3-year warranty
✓ 40% off product testing via CTRL F
✓ Ongoing gift campaigns & exclusive promotions
💡 Non-members can also enjoy 10–15% basic trade-in discounts
👉 Explore all member benefits here:
Return and Refund Policy
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 processing and shipping system is fully automated. Once shipped, the process is irreversible—orders cannot be canceled or modified, including address changes.
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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:
Please contact TESmart customer service to request a return. Email: service@tesmart.com
When requesting a return by email, please provide the following:
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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:
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Please send the product to the designated TESmart return warehouse.
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:
Products purchased from TESmart.com are eligible for return or exchange within 30 days if:
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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.
⚠️ Note: “Replacement” refers to the same model only available to TESmart members.
3.3.3 From 1 to 3 years after purchase:
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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 to another product, after 4 months from purchase, members may Upgrade & Trade-in at a 30% discount off the original price.
For membership-related extended warranty details, please see Section 4.1/4.2: 🔗 https://www.tesmart.com/pages/membership-policy
3.4 If you have any questions regarding the above policies, please contact: service@tesmart.com
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.
TESmart is committed to respecting and protecting the legal rights of consumers. For any matters not covered in this policy, or case of updates or changes, please refer to official announcements on the TESmart website.
Tech Specs
| Product Attribut | |
|---|---|
Model (SKU) |
HDK402-M24-AUBK
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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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Free Shipping
US / CA / 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
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