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Rectangular silver docking station with front ports and SD card slot

Kensington

Kensington K35175NA Thunderbolt 4 docking station 90W PD

SKU CH-BYGH-ETQT8 MPN K35175NA

Connects Thunderbolt 4 laptops to dual 4K displays, Ethernet, UHS-II SD cards and eleven ports while delivering 90W power

  • Ports Spec1 x USB 2.0 (front) with 5V/1.5A fast-charging 3 x USB 3.2 G
  • FeaturesSD5700T Thunderbolt 4 Dual 4K Docking Station with 90W PD of
  • Connect two 4K displays at 60 Hz with Thunderbolt 4 video bandwidth
  • Charge your laptop at 90 W while every port stays active
  • Transfer files at 40 Gbps through three downstream Thunderbolt 4 ports
  • Read UHS-II SD 4.0 cards at full bus speed via the front reader
  • Fast-charge phones from the front USB 2.0 port at 5 V 1.5 A

Thunderbolt 4 Docking Station

This Kensington K35175NA dock adds eleven ports to a Thunderbolt 4 laptop through a single upstream connection. It delivers 90W power delivery to the host while driving dual 4K displays at 60Hz or a single 8K panel at 30Hz. Three downstream Thunderbolt 4 ports and an Ethernet jack complete the professional feature set.

Upgrade from USB-C Hubs

The 40Gbps Thunderbolt 4 link removes the bandwidth ceiling found on standard USB-C hubs, so dual high-refresh monitors and fast storage run without compromise. The jump is worth it when a single-cable setup must carry video, data and 90W charging simultaneously. Apple M1 machines are limited to one external display by the silicon, not the dock.

Sustained-Load Behaviour

Full 90W charging continues regardless of how many peripherals are attached, and the UHS-II SD 4.0 reader maintains its rated speed during large batch imports. The three USB 3.2 Gen 2 ports each supply 5V/0.9A while the front USB 2.0 port provides 5V/1.5A fast-charging without throttling the Thunderbolt backbone.

Highlights

  • Connect two 4K displays at 60 Hz with Thunderbolt 4 video bandwidth
  • Charge your laptop at 90 W while every port stays active
  • Transfer files at 40 Gbps through three downstream Thunderbolt 4 ports
  • Read UHS-II SD 4.0 cards at full bus speed via the front reader
  • Fast-charge phones from the front USB 2.0 port at 5 V 1.5 A

Specifications

BrandKensington
ModelK35175NA
Ports Spec1 x USB 2.0 (front) with 5V/1.5A fast-charging
3 x USB 3.2 Gen 2 (back) supporting 5V/0.9A
1 x 3.5mm Combo Microphone & Headphone Port (front)
4 x Thunderbolt 4 Ports (1 x upstream and 3 x downstream)
1 x Ethernet
1 x SD Card Reader (UHS-II, SD4.0)
FeaturesSD5700T Thunderbolt 4 Dual 4K Docking Station with 90W PD offers premium Thunderbolt benefits now, and well into the future
Compatible with Thunderbolt 4-enabled laptops
Supports USB-C and USB 4.0 accessories and provides full power delivery, regardless of how many devices are connected.
Features include 11-ports, Single 8K @ 30 Hz, or up to Dual 4K @ 60Hz video, 40Gbps data transfer speeds, UHS-II SD 4.0 card reader speeds, and more
Shipping weight1.70 kg
Package size254 × 156 × 93 mm

Questions about this item

How much clearance does the upstream Thunderbolt 4 cable need behind the dock?

Leave enough space for the upstream Thunderbolt 4 cable to bend naturally without sharp kinks; the dock sits flat on a desk and has no mounting brackets.

Which driver or firmware step is most often missed when setting up the K35175NA?

Install the latest Thunderbolt controller firmware from the laptop maker before connecting the dock; without it the three downstream Thunderbolt 4 ports may not enumerate.

When should the UHS-II SD 4.0 card reader slot be cleaned?

Clean the SD card reader slot with compressed air if cards start to stick or read errors appear; the slot has no user-serviceable parts.

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