Designed Exclusively for Surface
Kensington has 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.

Compatibility
This Thunderbolt-certified desktop docking station is the first of its kind, providing the ultimate plug-and-play solution for USB4/Thunderbolt 4 Surface devices, while also supporting USB-C and USB-A accessories.

Thunderbolt 4 Technology
For the first time, this Thunderbolt 4 modern docking station can connect up to three additional Thunderbolt devices directly (up to five in total via daisy chain) while providing transfer speeds up to 40Gbps, up to Dual 4K video output and audio; all through the included 0.8m Thunderbolt 4 cable, for a quick and powerful plug-and-play experience. Intel VT-d DMA protection blocks peripheral devices from unauthorised access to system memory.

Single 8K or Dual 4K Video Output for Thunderbolt 4-Enabled Devices
Extend visual productivity with the resolution, contrast and colour depth of Ultra HD (Single 8K 30Hz or Dual 4K 60Hz) via the available Thunderbolt 4 ports.

90W Power Delivery
Quickly and easily charge your USB4/Thunderbolt 4 Surface device, in addition to providing full support for your USB-C and USB-A peripheral accessories. No need to worry about what you have connected to the dock - our solution provides the only full-powered offering on the market, so you can connect anything and be sure to receive optimal performance.

Helps Futureproof Your Desktop Setup
11-Ports of connectivity provide you the power to get the job done today and into the future. This dock offers 4 x Thunderbolt™ 4 ports, all capable of data, video and audio, 4 x USB-A ports (1 x 5V/1.5A charging port on the front and 3 x Gen2@10Gbps ports on the rear), 1 x Gigabit Ethernet port, 1 x audio combo jack and 1 x UHS-II SD 4.0 card reader.

UHS II SD 4.0 Card Reader
Transfer files at ultra-fast speeds using the built-in SD card reader.

Zero-Footprint Mounting Option and Security Cable Lock Slots
Maximise desktop space and reduce cable clutter by mounting your docking station out of the way. Mounting bracket sold separately (K34050WW). Lock slots allow you to protect your investment with a Kensington cable lock, sold separately (K65020EU or K64444WW).

Free Kensington DockWorks™ Software and Three-Year Warranty
DockWorks™ WiFi Auto-Switch guarantees the fastest, most reliable internet connection, while MAC Address ID Pass-Through and Reset and Device Connection Monitoring give IT managers maximum network monitoring and visibility. A three-year warranty lets you rest assured knowing you’re covered by Kensington.

Designed exclusively for Surface, the SD5750T Thunderbolt™ 4 Dual 4K Dock (DFS) offers premium Thunderbolt benefits now and into the future. Compatible with USB4/Thunderbolt 4-enabled Surface laptops, supporting USB-C and USB-A accessories and provides full Power Delivery regardless of how many devices are connected. Features include 11-ports [4 x Thunderbolt 4, 4 x USB-A (1 x 5V/1.5A charging port on the front and 3 x Gen2 @ 10Gbps ports on the rear), 1 x Gigabit Ethernet port, 1 x audio combo jack and 1 x UHS-II SD 4.0 card reader], Single 8K @ 30 Hz or up to Dual 4K @ 60Hz video, 40Gbps data transfer speeds, secure and manageable Intel VT-d DMA protection, a zero-footprint mounting option, security cable lock slots, free Kensington DockWorks™ software and a three-year warranty.

Specification

Product
Product id	811384
Brand	Kensington
Partnr	K37899WW
EAN/UPC code	085896378990
Warranty (months)	3 Years
Ports & interfaces
Connectivity technology	Wired
Host interface	Thunderbolt 4
USB 2.0 ports quantity	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	3
USB Power Delivery	Y
USB Power Delivery revision	3.0
USB Power Delivery up to	90 W
Combo headphone/mic port	Y
Thunderbolt 4 ports quantity	4
USB Sleep-and-Charge	Y
DC-in jack	Y
Network
Ethernet LAN	Y
Ethernet LAN (RJ-45) ports	1
Ethernet LAN data rates	100, 10, 1000 Mbit/s
Performance
Product colour	Grey
Card reader integrated	Y
Compatible memory cards	SD, SDHC, SDXC
Data transfer rate	40 Gbit/s
HD type	8K Ultra HD
Number of displays supported	2
Cable lock slot	Y
Cable lock slot type	Kensington
Maximum refresh rate	60 Hz
Compatibility	Microsoft Surface
Plug and Play	Y
Software
Windows operating systems supported	Y
Packaging data
Quantity per pack	1 stuk(s)
Technical details
Harmonized System (HS) code	84733020
Other features
Compatible operating systems	Windows 10 or above