Price: $289.99 - $24.99
(as of Nov 24, 2025 05:18:10 UTC – Details)
A typical Thunderbolt 4 dock only supports a single display for MacBook M1/M2/M3 base chipset models. For busy professionals juggling multiple tasks and projects, this means minimizing and toggling between windows to meet workflow demands, hampering productivity and focus. The SD5900T EQ Thunderbolt 4 Quad 4K 40Gbps Dock leverages the power of Thunderbolt™ 4 and DisplayLink technology to expand your visual workspace, boost productivity, and future-proof your setup – unlocking the full potential of your MacBook to support unrivaled connectivity and seamless multi-tasking.
Thunderbolt 4 Hybrid Technology – Thunderbolt docking station combines Displaylink multiple monitor technology and Thunderbolt 4 speeds
Quad 4K External Display – Supports up to Quad 4K @ 60Hz for MacBook models with M1/M2/M3/M4 Pro and Max chipsets (and the M3 base chipset when the laptop lid is closed). Also supports up to Triple 4K @ 60Hz for models with base M1/M2 chipsets
Flexible video connections – 2 x HDMI 2.0/Displayport 1.4, 1 x Displayport 1.4, and 2 x TB4 DFP
Productive 16-in-1 Design – Includes 2 x downstream Thunderbolt 4 ports (40Gbps) capable of data, video, and audio (5V 3A), 1 x USB-C 3.2 Gen2 10Gbps (5V 3A), 1 x USB-A 3.2 Gen2 10Gbps (5V 1.5A), 2 x USB-A 3.2 Gen1 5Gbps (5V .9A), 2 x HDMI/DP, 1 x DP, 1 x 3.5mm combo audio jack, 1 x SD Card reader, 1 x Micro SD Card reader, and 1 x 2.5Gbps Ethernet
Transfers up to 40Gbps of data, video, and audio. Provides daisy chain support for SSDs, monitors, and other Thunderbolt devices; Blocks peripheral devices from unauthorized access to system memory using Intel VT-d DMA protection
100W Charging (96W certified provides power your laptop while also charging your connected accessories; Includes off-host charging, enabling connected devices to charge even when your laptop is undocked
Zero-Footprint mounting option maximizes desktop space by mounting your docking station out of the way (mounting bracket sold separately K34050WW); security cable lock slots protect your investment with a Kensington cable lock (K60603WW, sold separately)
3-Year manufacturer’s warranty and lifetime technical support
Composed of 100% post-consumer recycled (PCR) aluminum* and it is delivered in Forest Stewardship Council (FSC) certified packaging. *The outer casing of the docking station is made of aluminum. The PCBA and any related inner components are not made of aluminum
Customers say
Customers find the docking station easy to set up and appreciate its build quality and port connectivity, with one customer noting it can be used with both laptops via a single cable. They like its display capabilities, with one customer successfully running three displays at 2560 x 1440 resolution. The functionality receives mixed feedback – while it works well with work PCs, some customers report issues with Mac compatibility.
