LD5400T Thunderbolt 3 Dock w/ K-Fob™ Smart Lock - Standard

SKU: K33476NA

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Combining a best-in-class Thunderbolt 3 docking experience with next generation laptop locking technology, Kensington delivers a game-changing 2-in-1 docking and locking solution for both Windows and Mac users. The LD5400T Single-User dock combines the productivity benefits of Thunderbolt 3 connectivity with K-Fob™ Smart Lock technology. Get more speed, more pixels, more power and more possibilities while reducing laptop theft and improving compliance with corporate security protocols. Secures thin and light laptops 11-15” in size, including models from Apple, Dell, HP, Lenovo and other manufacturers.

  • Best for: Thunderbolt 3 laptops, ultrabooks, and monitors that support up to 4K and for customers that require integrated physical security
  • Connection technology: Thunderbolt 3 (cross platform compatibility)
  • USB-C power delivery: supports USB-C PD 2.0 (85W of laptop charging)
  • Compatibility: macOS® 10.13 or above, Windows® 10
  • # of monitors supported: 2
  • Video ports: 1 x DisplayPort v1.2 and Optional Secondary Monitor via USB-C video adapter
  • Maximum resolution supported: single monitor: 5K (5120 x 2880 @ 60Hz)and dual monitors: 4K (4096 x 2160 @ 60 Hz)
  • Plug & play: installation without need for drivers or downloads
  • Warranty: 3 years
  • Register & Retrieve™ program provides free and secure cloud-based key fob replacement
  • Compatible with the new MacBook Pro 16-inch


Access Options

Innovative access options provide the right security solution for every workspace. Choose between Single-User (K33476NA) for a simple locking experience for fixed desk users or Multi-User with Admin Control (K39470M) for hot-desking, hoteling and/or shared workspaces.

thunderbolt 3 dock with k-fob smart lock for hot-desking hoteling admin control

Cross-Platform Compatibility

This progressive Thunderbolt 3 dock works with both Windows PCs and Mac computers to provide ultimate flexibility.

unviversal laptop dock compatibility windows macos

Thunderbolt 3 Technology — The Apex of USB-C Performance

Brings lightning fast data transfer speeds up to 40Gbps to your desktop setup, allowing you to transfer a 4K movie in less than 30 seconds and connect two 4K UHD displays with nearly 16 million more pixels than an HDTV – all while supplying up to 85W of power to your host.  (Only compatible with laptops equipped with Thunderbolt 3 ports; not backwards compatible with Thunderbolt 1 or Thunderbolt 2. For Windows based devices, ensure your laptop supports Power Delivery.)

thunderbolt 3 usb-c dual 4k

5K for Single Monitor or 4K for Dual Monitors

The perfect solution for business professionals, designers, and gamers, the 5K single monitor or 4K dual monitor connections support the crisp resolution, contrast and color depth of Ultra HD 4096 x 2160 @ 60Hz for dual monitor setups, or 5120 x 2880 @ 60Hz for single monitor 5K setups. Using DisplayPort v1.2 or HDMI, you’ll see more pixels with more speed than ever before (adapters sold separately; USB-C to HDMI - K33993WW; USB-C to VGA - K33994WW; DisplayPort to HDMI - K33984WW).

thunderbolt single 5k monitor dual 4k monitors

Productivity Ports

Provides a reliable 1Gbps wired networking connection.

docking station ports usb-c ethernet daisy chaining

K-Fob Smart Lock Technology

Combining encrypted security with the simplicity of keyless locking, Kensington’s K-Fob is the next generation of keying.

laptop security k-fob smart lock technology

Professional Locking Design

Conforms to Kensington’s industry-leading testing standards for durability, reliability and tamper-resistance. Designed to provide unobstructed access to the laptop’s side ports so security doesn’t interfere with productivity. Does not require any laptop modifications.

durable tamper-resistant laptop lock and docking station

Adjustable Security Arms

No tools are needed to easily adjust the station to fit 11”-15” thin and light laptops.

adjustable security arms ultrabooks macbooks

Scratch-Resistant Bumpers

The laptop rests on cushioned bumpers along the back and base to protect it from cosmetic damage.

scratch resistan bumper for laptop

Flexible Security Options

The station can be secured to any fixed object using the removable tethered lock cable, or by using the built-in Kensington Security Slot with a cable lock, or permanently secured to a desktop using the pre-drilled mounting holes.

thunderbolt 3 dock with smart lock security

Register & Retrieve

The industry-leading Register & Retrieve Lock Management Portal is a smart cloud-based platform for the management of all Kensington locks. Providing IT managers and users with individual accounts and on-demand access to support services, the simple key registration process helps ensure records stay up to date following personnel changes and offers free key replacements.

register and retrieve lock management portal

Free DockWorks™ Software

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

kensington dockworks software for docking stations

Patent Pending

As a pioneer in security and connectivity solutions, we strive to innovate and enhance the products people use in today’s ever-evolving global workforce.

patent pending security solution
Business Pricing
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Delivery & return

If you are not satisfied with your Kensington purchase, please call 1-800-243-2972 within 30 days of receipt to obtain a Return Material Authorization (RMA) number and instructions. We're available to support you from Monday - Friday from 7:30am until 6:30pm PT.


Products may be returned for a full refund of the product purchase price plus applicable taxes within 30 days of receipt. Orders may be subject to a 20% restocking fee and all shipping and handling charges are the responsibility of the customer. All refunds will be refunded via the payment method the order was received.

Kensington recommends that you use a carrier that offers tracking for all returns and that you insure your package and declare the full value of the shipment so that you are protected if shipment is lost or damaged in transit. If you choose not to use these services, you are responsible for any loss or damage to the product during shipping. To ensure proper credit, packages should be returned with clearly marked with the RMA number and packing slip placed in the shipment prior to returning to Kensington. If you return product without an RMA number, your shipment will be refused and returned to you at your expense.

Defective Product

If you discover what you believe is a product defect for any Kensington product, please contact Customer Support at 1-800-243-2972. If your product does have a defect, your product is covered under the terms of your product's warranty. Please refer to the warranty information and other supporting documentation that came with your product.

Damaged Product

If you receive a damaged product, you must notify Kensington within 48 hours of delivery at 1-800-243-2972. Kensington will investigate the claim and notify the freight company of the damage. Please retain all packaging in the event that Kensington or the freight company needs to inspect it. These investigations may take several days but merchandise replacements will be processed as soon as possible.

Connection Technology Thunderbolt 3 Driverless Yes
Additional Screen Outputs 2 Video Ports DisplayPort, USB-C
Maximum Resolution 4K Power Delivery 85W
Operating System(s) macOS, Windows Number of USB Ports 4
USB Fast Charging No Docking Station Family The Innovator
DockWorks Yes Lock Management Master Keyed
Best For Thunderbolt 3 Laptops, Ultrabooks and Monitors that support up to 4K Compatibility Windows 10, macOS 10.13 or above
USB 3.0 Ports 4 x USB 3.0 Ports (back) supporting 5V/0.9A Audio 1 x 3.5mm Combo Microphone & Headphone Port (rear)
Data Transfer Speeds Supports up to 40Gbps data transfer speed Ethernet Speed (Mbps) 1000, 100, 10
Maximum Resolution Supported Single Monitor: 5K (5120 x 2880 @ 60Hz), Dual Monitors: 4K (4096 x 2160 @ 60 Hz) Mounting Option Optional - permanently secure using the desktop mounting holes
Warranty 3 Years Plug & Play Plug & Play installation without need for drivers or downloads
Security Slot Compatibility Product includes tethered security cable and optional built-in Kensington Security Slot System Requirements Only compatible with laptops equipped with Thunderbolt 3 ports; not backwards compatible with Thunderbolt 1 or Thunderbolt 2. For Windows based devices, ensure your laptop supports Power Delivery.
USB-C Power Delivery Supports USB-C PD 2.0 (85W of laptop charging) Video Output Optional Secondary Monitor via USB-C video adapter, 1 x DisplayPort v1.2
4K Support Yes Daisy Chaining Daisy chains up to 5 additional Thunderbolt 3 devices
Packaging Depth 14.2 IN Packaging Width 12.7 IN
Packaging Height 3.3 IN Packaging Weight 7.75 LBS
LD5400T Thunderbolt 3 Dock w/ K-Fob™ Smart Lock - Standard

LD5400T Thunderbolt 3 Dock w/ K-Fob™ Smart Lock - Standard