kensington
Kensington SD4781P EQ USB-C & USB-A Dual 4K Docking Station with 100W Power Delivery (k33603na)
- SKU:
- 21194352
- MPN:
- k33603na
- Availability:
- Usually ships the same or next business day. In stock at our CA, IL warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/05/2025 06:08:00 AM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 - 4 | and pay only $230.67 each 230.67 |
| Buy 5 or above | and pay only $224.43 each 224.43 |
- Stock Update:
- 12/05/2025 06:08:00 AM PST
Description
This item is brand-new, factory sealed.
Features | Universal Compatibility
Supports USB-C® and legacy USB-A laptops running Windows 7 or above, macOS 10.14 or above, Chrome OS 44 or above.
Sustainability Focused
The plastic in this product contains up to 50% post-consumer recycled (PCR) content.
Dual 4K Video via HDMI® 2.0 and DP++ 1.2
Four video ports allow you to select between HDMI® 2.0 and DP++ 1.2 without the need for cumbersome adapters. Also supports M1/M2/M3 MacBook with dual displays.
Up to 100W Power Delivery
Delivers power to laptop, docking station, and connected accessories. Supports up to 100W for USB-C® Alt Mode laptops. USB-A laptops require optional Power Splitter (K38310NA) for Power Delivery.
Multiple Ports
Delivers speeds up to 10Gbps via 1x USB-C® port and 5x USB-A ports. Front: 1x USB-C® 3.2 Gen2 up to 5V/3A or up to 9V/2A for supported devices, and 1x USB-A 3.2 Gen2 up to 5V/1.5A, supports BC 1.2, up to 5V/2.4A for Apple devices; Back: 4x USB-A 3.2 Gen1 up to 5V/0.9A. Also includes a Gigabit Ethernet port and audio combo jack.
Secure Screw Lock Connection
Host cable is equipped with secure screw lock connector for a consistent and reliable connection between the docking station and the laptop.
Zero-Footprint Mounting Option and Security Cable Lock Slots
Maximize desktop space by mounting your docking station out of the way. Mounting bracket sold separately (K34050WW). Protect your investment with a Kensington cable lock (K65020WW or K65021WW), sold separately.
Free Kensington DockWorks™ Software and 3-Year Limited Warranty
Free DockWorks™ software delivers the best connection, performance, and security from your Kensington dock. Enjoy peace of mind knowing your covered by Kensington with a professional warranty.
The SD4781P EQ USB-C® & USB-A Dual 4K Docking Station is a versatile and sustainable dock that supports USB-C® and legacy USB-A laptops with the all-in-one benefits of video, data, and power. Delivering support for up to 2 external Ultra HD monitors (4K @ 60Hz), and the ability to select between HDMI® 2.0 and DP++ 1.2 connections (4 video ports for up to 2 external displays), the SD4781P eliminates the need for cumbersome adapters. It provides up to 100W of power delivery to the laptop and dock and delivers data transfer speeds up to 10Gbps via 6 USB ports. Additional features include host cable with secure screw lock connection, Gigabit Ethernet port, combo audio jack, mountable design, sustainable components, optional Kensington DockWorks™ software, and three-year limited warranty.
- Supports USB-C® and legacy USB-A laptops running Windows 7 or above, macOS 10.14 or above, Chrome OS 44 or above.
- The plastic in this product contains up to 50% post-consumer recycled (PCR) content.
- Ultra HD on up to 2 external monitors. Also supports M1/M2/M3 MacBook with dual displays.
- Delivers up to 100W of Power Delivery to compatible laptops while powering connected accessories. USB-A laptops require optional power splitter (K38310NA) for Power Delivery.
Features
50%
Compatibility:
Apple MacBook
Kensington Security Slot:
Yes
Brand Compatibility:
Apple
Specs
| Physical Characteristics | |
| Form Factor | Desktop |
| Interfaces/Ports | |
| USB Power Delivery | 100W |
| Number of USB Type-A Ports | 5 |
| USB Type-C Detail | 1 x USB-C 3.2 Gen 2 (front) with 5V/3A, USB-C PD 3.0 (100W of laptop charging) |
| Number of DisplayPort Outputs | 2 |
| Number of HDMI Outputs | 2 |
| Number of USB Type-C Ports | 1 |
| Total Number of USB Ports | 6 |
| DisplayPort Version | 1.2++ |
| Number of USB 3.2 Gen 2 Type-A Ports | 1 |
| USB Type-C | Yes |
| Headphone/Microphone Combo Port | Yes |
| Network (RJ-45) | Yes |
| HDMI Version | 2.0 |
| Host Interface |
|
| DisplayPort | Yes |
| USB Type-A | Yes |
| HDMI | Yes |
| Number of USB 3.2 Gen 1 Type-A Ports | 4 |
| General Information | |
| Brand Name | Kensington |
| Manufacturer Website Address | http://www.kensington.com |
| Marketing Information | Features | Universal Compatibility Supports USB-C® and legacy USB-A laptops running Windows 7 or above, macOS 10.14 or above, Chrome OS 44 or above. Sustainability Focused The plastic in this product contains up to 50% post-consumer recycled (PCR) content. Dual 4K Video via HDMI® 2.0 and DP++ 1.2 Four video ports allow you to select between HDMI® 2.0 and DP++ 1.2 without the need for cumbersome adapters. Also supports M1/M2/M3 MacBook with dual displays. Up to 100W Power Delivery Delivers power to laptop, docking station, and connected accessories. Supports up to 100W for USB-C® Alt Mode laptops. USB-A laptops require optional Power Splitter (K38310NA) for Power Delivery. Multiple Ports Delivers speeds up to 10Gbps via 1x USB-C® port and 5x USB-A ports. Front: 1x USB-C® 3.2 Gen2 up to 5V/3A or up to 9V/2A for supported devices, and 1x USB-A 3.2 Gen2 up to 5V/1.5A, supports BC 1.2, up to 5V/2.4A for Apple devices; Back: 4x USB-A 3.2 Gen1 up to 5V/0.9A. Also includes a Gigabit Ethernet port and audio combo jack. Secure Screw Lock Connection Host cable is equipped with secure screw lock connector for a consistent and reliable connection between the docking station and the laptop. Zero-Footprint Mounting Option and Security Cable Lock Slots Maximize desktop space by mounting your docking station out of the way. Mounting bracket sold separately (K34050WW). Protect your investment with a Kensington cable lock (K65020WW or K65021WW), sold separately. Free Kensington DockWorks™ Software and 3-Year Limited Warranty Free DockWorks™ software delivers the best connection, performance, and security from your Kensington dock. Enjoy peace of mind knowing your covered by Kensington with a professional warranty. The SD4781P EQ USB-C® & USB-A Dual 4K Docking Station is a versatile and sustainable dock that supports USB-C® and legacy USB-A laptops with the all-in-one benefits of video, data, and power. Delivering support for up to 2 external Ultra HD monitors (4K @ 60Hz), and the ability to select between HDMI® 2.0 and DP++ 1.2 connections (4 video ports for up to 2 external displays), the SD4781P eliminates the need for cumbersome adapters. It provides up to 100W of power delivery to the laptop and dock and delivers data transfer speeds up to 10Gbps via 6 USB ports. Additional features include host cable with secure screw lock connection, Gigabit Ethernet port, combo audio jack, mountable design, sustainable components, optional Kensington DockWorks™ software, and three-year limited warranty. Supports USB-C® and legacy USB-A laptops running Windows 7 or above, macOS 10.14 or above, Chrome OS 44 or above. The plastic in this product contains up to 50% post-consumer recycled (PCR) content. Ultra HD on up to 2 external monitors. Also supports M1/M2/M3 MacBook with dual displays. Delivers up to 100W of Power Delivery to compatible laptops while powering connected accessories. USB-A laptops require optional power splitter (K38310NA) for Power Delivery. |
| Product Type | Docking Station |
| Product Name | SD4781P EQ USB-C & USB-A Dual 4K Docking Station with 100W Power Delivery |
| Manufacturer | Kensington Computer Products Group |
| Manufacturer Part Number | K33603NA |
| Product Model | SD4781P |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Software | |
| Operating System Supported |
|
| Technical Information | |
| Charging Capability | Yes |
| Number of Displays Supported | 2 |
| Screen Mode Supported |
|
| Maximum Data Transfer Rate | 1.25 GB/s |
| Features |
|
| Supported Resolutions |
|
| Security Slot Type |
|
| Device Supported |
|
| Connectivity Technology | Wired |
Warranty Information