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Price  $299.99
SKU: K33640NA

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Designed for Surface

Kensington worked directly with Microsoft to provide professional-level connectivity that looks as good as it functions, so you can work like a pro. Connect with confidence for a seamless dock and charge experience.

Dual 4K Video Output (HDMI 2.0 and DP++ 1.2 @ 60Hz)

Delivers Ultra High Definition (4096 x 2160) images. Four video ports allow users the ability to select between HDMI 2.0 and DP++ 1.2 without the need for cumbersome adapters.

Up to 100W Power Delivery (PD 3.0)

For fast charging.

Six USB Ports (USB-A and USB-C)

Two-layer hub delivers speeds up to 10Gbps. Front: 1x USB-C 3.2 Gen2 up to 5V/3A and 1x USB-A 3.2 Gen2 up to 5V/2.4A; Back: 4x USB-A 3.2 Gen1 up to 5V/0.9A

Free Kensington DockWorks™ Software

Enables the best connection, performance, and security from your Kensington dock.

Three-Year Warranty

Rest assured knowing you’re covered by Kensington.

Zero Footprint Mounting Option

Adjustable clamp easily attaches to a desktop edge, cubicle wall, monitor arm, or other surface for maximum mounting flexibility (K34050, sold separately).

Designed for Surface, the SD4785P USB-C & USB-A 10Gbps Dual 4K Hybrid Docking Station w/ 100W PD - DP++ & HDMI (DFS) is the ultimate hybrid docking solution for Ultra High Definition Dual 4K @ 60Hz video. Features include the ability to select between HDMI 2.0 and DP++ 1.2, with four video ports in all (no need for cumbersome adapters); six USB ports; 100W of power delivery; a 1m (3.28 feet) USB-C to USB-C cable with USB-A adapter; Thunderbolt 3 compatibility; optional Kensington DockWorks™ software, for the best connection, performance, and security from your Kensington dock; and a three-year warranty. VESA compatible.

  • Best For: USB-C or USB-A Laptops & Ultrabooks and Monitors that support up to 4K
  • Connection Technology: USB-C or USB-A (DisplayLink)
  • Power Delivery: Supports USB-C PD 3.0 (up to 100W of laptop charging)
  • Compatibility: Windows 7 or above
  • # of Monitors Supported: 2
  • Video Ports: 2 x HDMI v2.0 and 2 x DisplayPort 1.2++
  • Maximum Resolution Supported: Single or Dual Monitors: 4096 x 2160 @ 60Hz
  • Plug & Play: Plug & play installation, though installation of Kensington DockWorks™ software is recommended for the best connection, performance, and security from your Kensington docking station
  • System Requirements: DisplayLink driver installation required
  • Warranty: 3 Years
  • Optimized for your Windows 11 docking station needs, including support for Snap Layouts and Snap Groups

Product Specifications

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  • Connection Technology
    USB-C or USB-A (DisplayLink)
  • Driverless
  • Additional Screen Outputs
  • Video Ports
    DisplayPort++, HDMI
  • Maximum Resolution
  • Power Delivery
  • Operating System(s)
  • Number of USB Ports
  • USB Fast Charging
  • Docking Station Family
    The Task Master
  • DockWorks
  • Best For
    USB-C or USB-A Laptops & Ultrabooks and Monitors that support up to 4K
  • Compatibility
    Windows 7 or above
  • USB-A Ports
    5x: (1) USB-A 3.2 Gen2 (front) with 5V/2.4A fast-charging & (4) USB-A 3.2 Gen1 (back) supporting 5V/0.9A
  • USB-C Ports
    1x USB-C 3.2 Gen2 (front) with 5V/3A
  • Audio
    1 x 3.5mm Combo Microphone & Headphone Port (front)
  • Data Transfer Speeds
    Supports up to 10Gbps data transfer speed
  • Ethernet Speed (Mbps)
    10, 100, 1000
  • Maximum Resolution Supported
    Single or Dual Monitors: 4096 x 2160 @ 60Hz
  • Mounting Option
    Maximize desktop space and reduce desktop cable clutter via our optional Docking Station Mounting Bracket (K34050WW)
  • Plug & Play
    DisplayLink driver installation required
  • Security Slot Compatibility
    Kensington Nano Security Slot, Kensington Security Slot
  • System Requirements
    USB-C host device must support Power Delivery. Power Delivery is not supported on USB-A host devices without the use of the optional 60W power splitter (K38310)
  • USB-C Power Delivery
    Supports USB-C PD 3.0 (100W of laptop charging)
  • Video Output
    2 x DisplayPort 1.2++, 2 x HDMI v2.0
  • 4K Support
  • Device Compatibility
    Surface Go, Surface Go 2, Surface Go 3, Surface Laptop 3, Surface Laptop 4, Surface Laptop 1 (13"), Surface Laptop 2 (13"), Surface Laptop 5 (13.5"), Surface Laptop 5 (15"), Surface Laptop Go, Surface Laptop Go 2, Surface Laptop Studio, Surface Pro 4, Surface Pro 5, Surface Pro 6, Surface Pro 7, Surface Pro 7+, Surface Pro 8, Surface Pro 9, Surface Pro X