Kensington SD4781P EQ USB-C & USB-A Dual 4K Docking Station
- Supports USB-C® and legacy USB-A laptops running Windows 7 or above, macOS 10.14 or above, Chrome OS 44 or above.
- The plastic in this product contains up to 50% post-consumer recycled (PCR) content.*Does not include the cable, power supply or power cords
- Secure screw lock keeps the USB-C® host cable in place even in busy office and hot-desking environments
- Dual 4K Video via HDMI® 2.0 and DP++ 1.2
- Up to 100W Power Delivery to compatible laptops while powering connected accessories
- Up to 10Gbps data transfer speeds via 1 x USB-C® port and 5 x USB-A ports
- Accommodates Zero-Footprint Mounting and Kensington Security Lock
- Free Kensington DockworksTM software
- 3-year limited warranty
More Information
Reasons To Buy

Universal Compatibility
Supports USB-C® and legacy USB-A laptops running Windows 7 or above, macOS 10.14 or above and Chrome OS 44 or above.
Sustainability Attributes
The plastic in this product contains up to 50% post-consumer recycled (PCR) content.*Does not include the cable, power supply or power cords
Secure Screw Lock Connection
Host USB-C cable includes a screw lock to ensure the cable remains in place even in busy office environments.

Multiple Ports
Supports USB-C® and delivers speeds up to 10Gbps via 1 x USB-C® port and 5 x USB-A ports. Also includes 2 x HDMI® 2.0 ports, 2 x DP++ 1.2 ports, Gigabit Ethernet port and an audio combo jack.

Dual 4K Video via HDMI® 2.0 and DP++ 1.2
Four video ports allow you to select between HDMI® 2.0 and DP++ 1.2 without the need for cumbersome adapters. Also enables dual screen supports for M1/M2/M3 MacBooks.

Up to 100W Power Delivery
Delivers power to laptop, docking station and connected accessories. Supports up to 100W for USB-C® Alt Mode laptops. USB-A laptops require an alternative source of power, sold separately.

Zero-Footprint Mounting Option and Security Cable Lock Slots
Maximise desktop space by mounting your docking station out of the way. Mounting bracket sold separately (K34050WW). Protect your investment with a Kensington cable lock (K65020EU or K65021WW), sold separately.

Industry-Leading Quality, Warranty and Support
Built with quality in mind, we stand behind the SD4781P USB-C® and USB-A Dual 4K Docking Station with a three-year limited warranty.
Description
SD4781P’s outer case is composed of up to 50% post-consumer recycled content (PCR), aimed at reducing our environmental impact. The docking station supports up to 2 external Ultra HD monitors (4K @ 60Hz), with the ability to select between HDMI® 2.0 and DP++ 1.2 connections. A secure screw lock USB-C cable ensures the cable remains in place even in busy office environments.
Together with data transfer speeds up to 10Gbps via 6 x USB ports and up to 100W Power Delivery, the SD4781P EQ USB-C® & USB-A Dual 4K Docking Station is the perfect solution for a wide range of different workstation setups.
* USB-A devices require an alternative power source, sold separately.
Specifications
| Ports & interfaces | |
|---|---|
| Combo headphone/mic port | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| Headphone connectivity | 3.5 mm |
| Host interface | USB 3.2 Gen 2 (3.1 Gen 2) Type-C |
| USB 2.0 ports quantity | 0 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 2 |
| HDMI version | 2.0 |
| DisplayPorts quantity | 2 |
| Microphone in | No |
| Headphone outputs | 1 |
| DC-in jack | Yes |
| Connectivity technology | Wired |
| USB Power Delivery (USB PD) | Yes |
| USB Power Delivery revision | 3.0 |
| USB Power Delivery up to | 100 W |
| DisplayPort version | 1.2 |
| Network | |
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 10,1000 Mbit/s |
| Ethernet LAN (RJ-45) ports | 1 |
| Performance | |
| Maximum digital resolution | 4096 x 2160 pixels |
| Number of displays supported | 2 |
| Country of origin | Thailand |
| Product colour | Black |
| Card reader integrated | No |
| Compatibility | MacBook M-Series Base Chipset |
| Cable lock slot | Yes |
| Plug and Play | No |
| LED indicators | Yes |
| Data transfer rate | 10 Gbit/s |
| Cable lock slot type | Nano, Kensington |
| HD type | 4K Ultra HD |
| Housing material | Acrylonitrile butadiene styrene (ABS), Metal, Polycarbonate (PC) |
| Maximum refresh rate | 60 Hz |
| Technical details | |
| Product colour | Black |
| Compatibility | MacBook M-Series Base Chipset |
| Cable lock slot | Yes |
| Plug and Play | No |
| Data transfer rate | 10 Gbit/s |
| Sustainability compliance | Yes |
| Sustainability certificates | ErP |
| Compliance certificates | CB, CE, RoHS, UKCA |
| Special features | EQ |
| Products per master (outer) case | 6 pc(s) |
| Master (outer) case width | 285 mm |
| Master (outer) case gross weight | 9.54 kg |
| Master (outer) case length | 486 mm |
| Master (outer) case height | 195 mm |
| Storage | |
| Card reader integrated | No |
| Power | |
| Power source type | DC |
| Input current | 1.8 A |
| Compatible power plug types | EU, UK |
| AC input voltage | 100 - 240 V |
| Output voltage | 20 V |
| Output current | 8.5 A |
| Software | |
| Windows operating systems supported | Yes |
| Mac operating systems supported | Yes |
| Other operating systems supported | ChromeOS |
| Indication | |
| LED indicators | Yes |
| Operational conditions | |
|---|---|
| Operating temperature (T-T) | 0 - 40 °C |
| Storage temperature (T-T) | -18 - 60 °C |
| Operating relative humidity (H-H) | 0 - 55% |
| Sustainability | |
| Sustainability compliance | Yes |
| Sustainability certificates | ErP |
| Weight & dimensions | |
| Weight | 395 g |
| Width | 210 mm |
| Depth | 90 mm |
| Height | 30 mm |
| Package weight | 1.46 kg |
| Package width | 90 mm |
| Package depth | 235 mm |
| Package height | 30 mm |
| Design | |
| Windows operating systems supported | Yes |
| Mac operating systems supported | Yes |
| Country of origin | Thailand |
| Product colour | Black |
| Cable lock slot | Yes |
| LED indicators | Yes |
| Cable lock slot type | Nano, Kensington |
| Packaging data | |
| Quantity per pack | 1 pc(s) |
| Package weight | 1.46 kg |
| Package width | 90 mm |
| Package depth | 235 mm |
| Package height | 30 mm |
| Packaging content | |
| Interface adapters included | USB Type-A male - USB Type-C female |
| Quick start guide | Yes |
| Cables included | AC, USB Type-C |
| AC adapter included | Yes |
| Warranty card | Yes |
| Quantity per pack | 1 pc(s) |
| Logistics data | |
| Products per master (outer) case | 6 pc(s) |
| Master (outer) case width | 285 mm |
| Master (outer) case gross weight | 9.54 kg |
| Master (outer) case length | 486 mm |
| Master (outer) case height | 195 mm |
| Other features | |
| USB ports quantity | 6 |
| Minimum system requirements | Intel Core i5 6th+ 8Gb RAM Intel HD Graphics 620 |
| Compatible operating systems | macOS 10.14 or above; Windows 7 or above; Chrome OS 44 or above |
| Special features | EQ |
Delivery Details
- UK distributors.
- Order before 4 pm for next-day delivery.
- Standard (2-3 days) £7.50
- Next Day £9.99
- Free standard delivery over £100
There are deivery surcharges to these postcodes:
| Postcode | Charge |
| IV3-40 | £20 |
| IV52-54 | £20 |
| IV63 | £20 |
| KW1-14 | £20 |
| PA10-40 | £20 |
| PH19-40 | £20 |
| PH50 | £20 |
| HS | £50 |
| IV41-51 | £50 |
| IV55-56 | £50 |
| KA27-28 | £50 |
| KW15-17 | £50 |
| PA41-49 | £50 |
| PA60-62 | £50 |
| PA76-78 | £50 |
| PH41-44 | £50 |
| ZE | £50 |
| IM | £50 |
| JE | £50 |
| GY | £50 |
| TR21-25 | £50 |
| BT | £20 |
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