Kensington K33806NA SD4840P USB-C Triple Video Docking Station - 85W Power Delivery - 3 Display Support up to 5K @ 60Hz - Gigabit Ethernet
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Product Features
Technical Overview
The SD4840P utilizes USB-C Alt Mode with DisplayPort 1.4 technology to support triple display configurations. The dock can drive a single 5K display at 60Hz, dual 4K displays at 60Hz, or triple 4K displays at 30Hz, providing flexibility for various multi-monitor setups.
Connectivity is comprehensive with four USB ports including three USB 3.2 Gen 2 Type-A ports delivering 10Gbps data transfer speeds and one front-facing USB-C 3.2 Gen2 port with 5V/1.5A charging capability. The integrated Gigabit Ethernet port ensures stable network performance, while the Thunderbolt 3 port offers additional high-speed connectivity options.
Relevant factors for this section include Connectivity Technology, Charging Capability, Number of Displays Supported, Ethernet Technology. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
This docking station eliminates cable clutter while providing professional-grade expansion capabilities through a single USB-C connection. The 85W power delivery ensures compatible laptops remain charged during intensive work sessions, and the triple display support enables efficient multitasking across multiple monitors.
Simplified Connectivity
Connect power, displays, peripherals, and network through one USB-C cable to your laptop, reducing desktop clutter and setup complexity.
- Single-cable docking solution
- 85W laptop charging
- Plug-and-play operation
Display Flexibility
Support for up to three external displays with resolution options ranging from Full HD to 5K, accommodating various monitor configurations and workflow requirements.
- 5K @ 60Hz maximum resolution
- Triple 4K @ 30Hz support
- Mixed resolution capability
Professional Features
Includes enterprise-ready features like Gigabit Ethernet for reliable networking, Kensington security slot for physical protection, and TAA compliance for government procurement.
- Gigabit Ethernet port
- Kensington security slot
- TAA Compliant
Deployment / Use Cases
The SD4840P is ideal for knowledge workers, financial analysts, content creators, and IT professionals who require expanded connectivity for their USB-C laptops. The dock transforms portable notebooks into full desktop workstations with minimal setup time, making it perfect for hot-desking environments, temporary workstations, or permanent office setups.
In corporate environments, the docking station supports multi-monitor trading desks, video editing stations, software development setups, and general office productivity configurations. The compatibility with USB-C laptops that support Power Delivery and DisplayPort Alt Mode ensures broad support across modern business notebooks from major manufacturers.
Office Productivity
Create an efficient workspace with multiple monitors for spreadsheet analysis, document comparison, and communication applications while keeping your laptop charged.
Creative Workflows
Support high-resolution displays for graphic design, video editing, and 3D modeling applications with the color accuracy and detail that creative professionals require.
Physical Profile
The compact black enclosure measures 5.71" wide by 3.54" high with a weight of approximately 3.20 pounds, making it portable enough for travel while sturdy enough for permanent desktop placement. The professional black finish matches most office environments, and the front-facing USB-C port provides convenient access for quick device connections.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 3.54" (89.92 mm), 5.71" (145.03 mm), 3.20 lb (1451.50 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 5.71" (145.03 mm)
- Height
- 3.54" (89.92 mm)
- Weight
- 3.20 lb (1451.50 g)
Highlights
- 85W USB Power Delivery charges compatible laptops through the docking connection
- Supports up to three external displays simultaneously for expanded workspace
- Maximum resolution of 5K @ 60Hz for single display or 4K @ 60Hz for dual displays
- Gigabit Ethernet port provides reliable wired network connectivity
- Four USB ports including three USB 3.2 Gen 2 Type-A and one USB-C 3.2 Gen2
- Thunderbolt 3 compatibility for additional high-speed connectivity options
- Plug-and-play installation requires no drivers for Windows 7 or later systems
- Kensington security slot enables physical theft protection in shared environments
- TAA Compliant for government and educational procurement requirements
- Three-year limited warranty provides long-term reliability assurance
Specifications
| Specifications | |
|---|---|
| Manufacturer | Kensington Computer Products Group |
| Manufacturer Part Number | K33806NA |
| Brand Name | Kensington |
| Product Line | The Task Master |
| Product Model | SD4840P |
| Product Name | The Task Master SD4840P Docking Station |
| Packaged Quantity | 1 |
| Product Type | Docking Station |
| Technical Information | |
| Connectivity Technology | Wired |
| Charging Capability | Yes |
| Number of Displays Supported | 3 |
| Supported Resolutions | 5120 x 2880,3840 x 2160,1920 x 1080 |
| Screen Mode Supported | 4K @ 60Hz,4K @30Hz,5K @ 60Hz,Full HD |
| Device Supported | Notebook,Monitor |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Interfaces/Ports | |
| Host Interface | USB Type C |
| Total Number of USB Ports | 4 |
| Number of USB 3.2 Gen 2 Type-A Ports | 3 |
| Number of USB 3.2 Gen 2 Type-C Ports | 1 |
| Number of USB Type-C Ports | 1 |
| USB Type-C | Yes |
| USB Type-C Detail | 1 x USB-C 3.2 Gen2 (front) with 5V/1.5A charging |
| USB Type-A | Yes |
| Number of RJ-45 Ports | 1 |
| Network (RJ-45) | Yes |
| Number of DisplayPorts | 2 |
| DisplayPort | Yes |
| DisplayPort Version | 1.4 |
| Headphone/Microphone Combo Port | Yes |
| Number of HDMI Ports | 1 |
| HDMI | Yes |
| Thunderbolt | Yes |
| Number of Thunderbolt 3 Ports | 1 |
| USB Power Delivery | 85W |
| Software | |
| Operating System Supported | Windows 7 |
| Physical Characteristics | |
| Product Color | Black |
| Height | 3.54" (89.92 mm) |
| Width | 5.71" (145.03 mm) |
| Weight (Approximate) | 3.20 lb (1451.50 g) |
| Miscellaneous | |
| Kensington Security Slot | Yes |
| Compatibility | USB-C laptops and Ultrabooks that support Power Delivery, and monitors that support up to Triple 4K |
| TAA Compliant | Yes |
| Country of Origin | Taiwan |
| Warranty | |
| Limited Warranty | 3 Year |
User Manual
FAQ
How many displays can this docking station support simultaneously?
The Kensington SD4840P supports up to three external displays simultaneously. The specific configuration depends on the resolution and refresh rate: it can drive a single 5K display at 60Hz, dual 4K displays at 60Hz, or triple 4K displays at 30Hz. This flexibility allows users to choose the optimal setup for their workflow requirements.
What power delivery does this dock provide to connected laptops?
This docking station delivers 85W of USB Power Delivery to compatible laptops through the host USB-C connection. This is sufficient to charge most business notebooks during use, eliminating the need for a separate power adapter. The dock also includes a front-facing USB-C 3.2 Gen2 port that provides 5V/1.5A charging for mobile devices.
What types of video outputs are available on this docking station?
The dock includes one HDMI 2.0b port and two DisplayPort 1.4 ports for connecting external displays. These ports support resolutions up to 5K @ 60Hz and utilize DisplayPort 1.4 technology with Display Stream Compression (DSC) to enable high-resolution multi-display configurations without compromising image quality.
Does this docking station include Ethernet connectivity?
Yes, the SD4840P features a Gigabit Ethernet port that provides wired network connectivity at speeds up to 1000 Mbps. This ensures stable, reliable internet access for business applications, large file transfers, and video conferencing, which is particularly valuable in environments where Wi-Fi performance may be inconsistent.
What operating systems are compatible with this docking station?
The docking station is compatible with Windows 7 and later operating systems. It functions as a plug-and-play device that requires no additional drivers for basic operation, though users should ensure their USB-C laptop supports both Power Delivery and DisplayPort Alt Mode over USB-C for full functionality.
What security features does this docking station include?
The SD4840P includes a Kensington security slot that accepts standard Kensington locking cables to physically secure the dock to a desk or workstation. This deters theft in shared office environments, public spaces, or educational settings. The dock is also TAA Compliant, meeting requirements for government and institutional procurement.
| Qty | Price | Available |
|---|
