21 in 1 Thunderbolt 4 Dock

21 Ports-Thunderbolt 4 DockFeaturing an 8K@60Hz HDMI, 2.5 GbE Ethernet, 3x Thunderbolt 4 (40Gb/s, 8K@60Hz) ports, 8x USB C/A 3.2 Gen2 ports with full 10Gbps performance, 2x USB 2.0 ports for mouse and keyboard, SD/TF 4.0, and 3x 3.5mm Audio, this ACASIS Thunderbolt 4 dock simply consolidates all user connection needs for any port into a single dock. A single cable will charge your laptop and connect 21 devices at the same time.3 x Thunderbolt 4 (40Gb/s,8K@60Hz)4 x USB-C (10Gb/s)4 x USB-A (10Gb/s)1 x HDMI 2.1 (8K@60Hz)1 x 2.5 Gigabit Ethernet (2500Mb/s)1 x SD 4.0 (UHS-II)1 x micro SD 4.0 (UHS-II)2 x USB 2.0 (480Mb/s)1 x Audio Combo Jack (3.5mm)1 x Mic (3.5mm)1 x Audio (3.5mm)1 x DC In (240W)1 x Security SlotACASIS 21-in-1 Thunderbolt 4 Dock: The Fast, Secure, and Compatible Solution for Modern Connectivity• Intel-certified chip for 40Gbps data transfer• Dual 4K or single 8K display support• Fast charging capability• Powerful multi-device expansion• Intel® VT-d based DMA protection for data security• Compatible with USB4 and other USB-C devicesMost laptops typically require around 60W of power for normal operation. For gaming laptops with higher power consumption, it’s recommended to provide 85W or more power.Tests have shown that the ACASIS 21-in-1 Thunderbolt 4 Dock can consistently provide up to 90W power delivery, meeting the needs of all users. For laptops or tablets that require less than 90W, the Thunderbolt 4 dock  will only supply the wattage required by your device.With this Thunderbolt 4 dock, Windows computers can connect up to 2 displays using 2 Thunderbolt ports (or 1 HDMI port and 1 Thunderbolt port), supporting dual-screen display with resolution up to 4K@60Hz. It can also be used as a single-display dock.On Macs (with Intel, M1/M2/M3 Pro/Max CPUs), you can expand your desktop to two screens using any combination of HDMI and Thunderbolt ports. Macs equipped with M1/M2/M3 CPUs only support one external display.With just one ACASIS 21 Ports Thunderbolt 4 Dock, transform your cluttered desk into a clean, tidy workspace.The ACASIS 21-in-1 Thunderbolt 4 Docks works with Thunderbolt 4, Thunderbolt 3, USB4, and USB-C computers, including Apple M2, M1, M1 Pro, M1 Max, M1 Ultra, Intel based Macs, Windows PCs, Linux, and Chrome OS devices. It is also compatible with the new USB-C iPhone 15 and 15 Pro, and tablets including iPads and Windows tablets that feature Thunderbolt or USB-C. FAQ Q1: Why can't I achieve 144Hz refresh rate and full RGB color output through the HDMI 2.1 connection? While this dock supports HDMI 2.1 connectivity, compatibility with certain devices and displays may prevent the HDMI connection from reaching the expected refresh rate and color depth, especially at high resolutions and refresh rates (e.g. 144Hz).Here are some recommendations:1. Check the cable: Ensure you are using a high-quality HDMI 2.1 cable.2. Display settings: Confirm the display’s input settings are correct and support the required resolution and refresh rate.3. Control panel: In the control panel, check the output settings and ensure the correct output format is selected. Q2: My laptop's power needs are 65w can I meet them with this docking station? Most laptops typically require around 60W of power for normal operation. For gaming laptops with higher power consumption, it’s recommended to provide 85W or more power.Tests have shown that the ACASIS 21-in-1 Thunderbolt 4 Dock can consistently provide up to 90W power delivery, meeting the needs of all users. For laptops or tablets that require less than 90W, the Thunderbolt 4 dock will only supply the wattage required by your device. Q3: Dock's are not working properly after connection？ If the dock’s ports are not working properly, please try the following:1. Ensure the dock is connected to a power source and the power button is turned on manually.2. Confirm the computer port connected to the dock is a Thunderbolt or full-function port (supporting data/video/charging). HDMI video and charging may not work with incompatible ports. The best option is to use a Thunderbolt 3/4 or USB4.0 port. Q4: How's the heat dissipation on this product？ As a very powerful Thunderbolt Docking Station, it has a very good quality casing to dissipate heat, so the temperature of the casing will be on the high side when you use it, please be careful to buy if you mind! Q5: Is it possible to expand the three screens? It can only expand dual-screen, does not support triple-screen. Q6: Is it expensive? This is a Thunderbolt 4 docking station with 21 ports, and we’ve set up a huge discount coupon so you’ll get a great deal! Q7: Is it lightweight and portable？ I’m sorry to say that as a powerful Thunderbolt 4 docking station, the case is still made of metal, so it’s a bit heavy and not very convenient to carry around.