This article covers Kensington Universal USB Docking Station SD4000 (4K Ultra HD).

Overview

The Kensington Universal USB Docking Station SD4000 (model K33983AM) is a USB 3.0 docking station designed to expand the connectivity of a laptop or desktop PC. It supports 4K Ultra HD video output via HDMI, includes a Gigabit Ethernet port, and provides three USB 3.0 ports for peripherals. The unit is bus-powered, meaning it draws power from the host USB port, so no external power adapter is needed. It's a compact, lightweight solution (just 0.45 lb / 204g) that works as a plug-and-play device without driver installation on Windows and macOS. This docking station is ideal for users who need to connect multiple peripherals and a 4K monitor to their computer with a single USB cable. It's a cost-effective alternative to Thunderbolt docks, particularly for older laptops that lack USB-C or Thunderbolt but have USB 3.0 Type-A ports.

Connectivity & Compatibility

The SD4000 connects to the host computer via a USB 3.0 Type-A cable (integrated, about 60cm). It is compatible with any computer that has a USB 3.0 or USB 2.0 port. USB 2.0 will work but with reduced data speed and video resolution limitations. Supported devices: Windows PCs (7/8/10/11), MacBooks (pre-2016 models with USB-A), and some Chromebooks with USB-A. For USB-C-only laptops, a USB-A to USB-C adapter is required. The docking station is not compatible with Thunderbolt 3/4 ports unless used in USB 3.0 fallback mode. Video output: one HDMI port supporting up to 4K resolution at 30Hz. It does not support dual monitors or DisplayPort. Ethernet: Gigabit RJ-45 port (10/100/1000 Mbps). USB ports: three USB 3.0 Type-A ports (5Gbps). They can be used for keyboards, mice, flash drives, external hard drives, or other peripherals.

Product Info

Released around 2016, the Kensington SD4000 remains available through online retailers like . The typical price is around ¥13,788 (approx. $95 USD). It is positioned as an entry-level to mid-range dock, offering essential expansion features without the cost of Thunderbolt or USB4 docks. The warranty is typically 2 years from the manufacturer. The package includes the dock itself with an integrated USB cable; no additional cables or power adapters are included.

Best Use Cases

This docking station is best suited for: Office workers and remote staff: Connect a notebook to a 4K monitor, wired Ethernet, and USB peripherals with a single cable. The SD4000 simplifies desk setup and reduces cable clutter. Owners of older laptops (2015-2019): Many business laptops from that era have USB-A ports but lack USB-C or Thunderbolt. This dock breathes new life into them by adding 4K video and Gigabit Ethernet. Budget-conscious users: At under $100, it's a fraction of the cost of a Thunderbolt 4 dock. If you don't need high-speed data transfer or multiple displays, the SD4000 offers excellent value. Not recommended for: Users needing multiple external monitors: Single HDMI output only. Modern USB-C-only laptops: Requires an adapter; bus power may be limited on some USB-C ports. High-speed storage users: USB 3.0 (5Gbps) is too slow for NVMe SSDs; Thunderbolt 3/4 is better.

Product Disclosure (Amazon)

  • Manufacturer: Kensington
  • ASIN: B00Z8CZGF4
  • Note: This article covers a manufacturer-made product based on Amazon listing details.