COO-DOCK-C-81 USB-C Hub with 4K HDMI and RJ45

17,39 €
VAT included · Delivery to mainland Spain and the Balearic Islands
Shipping: 6,05 €
Typical transit after dispatch: 24 h to mainland Spain and 48 h to the Balearic Islands. Estimate depends on destination and availability.
Temporarily unavailable.
Coolbox COO-DOCK-C-81 is a USB-C multifunction hub with 4K HDMI, two USB-A ports, USB-C Power Delivery, SD and microSD readers, and Gigabit Ethernet. Designed to expand connectivity on PC, Mac, ultrabooks and consoles.
About this product
The Coolbox COO-DOCK-C-81 is a multifunction hub with a USB 3.2 Gen1 Type-C host connection that expands the available ports on a compatible device. It includes a 4K 30Hz HDMI output, also compatible with 1080p and 720p, two USB-A 3.2 Gen1 ports with transfer speeds up to 5 Gbps and 5V 1A, and a USB-C Power Delivery port up to 100W (5~20V/5A). It also features an SD card reader, a microSD card reader and an RJ45 Gigabit Ethernet port. The housing is aluminium, the integrated cable measures 190 mm and the unit weighs 64 grams, with dimensions of 108 x 29 x 10 mm. It is compatible with PC, Mac, ultrabooks and consoles, and works Plug and Play without additional drivers. Before buying, check that the host device has a USB-C port compatible with the specified host connection.
What can you use it for?
- Expand connectivity on a compatible PC, Mac, ultrabook or console by adding HDMI, USB-A, USB-C, card readers and Ethernet from a single hub.
- Connect a display via HDMI at 4K 30Hz, 1080p or 720p to extend or mirror the screen, depending on the device.
- Transfer data from SD or microSD cards and connect USB-A peripherals, while also using the USB-C Power Delivery port up to 100W.
Its strengths
- Combines HDMI, two USB-A, USB-C Power Delivery, SD and microSD readers, and Gigabit Ethernet in one accessory.
- The USB-C Power Delivery port supports up to 100W (5~20V/5A), allowing compatible devices to be powered or charged.
- Works Plug and Play, with no additional drivers required.
Things to consider before buying
- The host connection is USB 3.2 Gen1 Type-C; check that your device has that port before buying.
- The HDMI output is limited to 4K at 30Hz, so it does not offer 4K at 60Hz.
Product questions
Which ports does the Coolbox COO-DOCK-C-81 include?
It includes one 4K 30Hz HDMI, two USB-A 3.2 Gen1, one USB-C Power Delivery up to 100W, one SD card reader, one microSD card reader and one RJ45 Gigabit Ethernet port.
Is it compatible with PC, Mac, ultrabooks and consoles?
The manufacturer states compatibility with PC, Mac, ultrabooks and consoles. The host connection is USB 3.2 Gen1 Type-C, so check that the host device has that port.
Does it need drivers to work?
No. The manufacturer states it works Plug and Play, with no additional drivers required.
ALMC analysis prepared with AI assistance using the supplier’s product information. It is not a product test or a customer review. Check the specifications and confirm the compatibility you need.
Technical specifications
| Marca | Coolbox |
| Modelo | COO-DOCK-C-81 |
| Características | - Hub multifuncional USB-C con múltiples puertos - 1 x HDMI 4K (30Hz), compatible con resoluciones 1080p y 720p - 2 x USB-A 3.2 Gen1 (transferencia hasta 5 Gbps, 5V 1A) - 1 x USB-C Power Delivery hasta 100W (5~20V/5A) - 1 x lector de tarjetas SD - 1 x lector de tarjetas microSD - 1 x puerto RJ45 (Ethernet Gigabit) - Conexión host: USB 3.2 Gen1 Tipo-C - Material: Aluminio - Longitud del cable: 190 mm - Peso: 64 gramos - Compatible con PC, Mac, ultrabooks y consolas - Plug and Play, sin necesidad de drivers adicionales Dimensiones y peso - 108 x 29 x 10 mm - 64 g |
| Fecha de revisión | 23-10-2025 por DR |
Product identifiers
| Reference | AAOAUS0257 |
|---|---|
| EAN | 8436624420276 |
| Part number | COO-DOCK-C-81 |
| Manufacturer | CoolBox |
Delivery, returns and warranty
We deliver to mainland Spain and the Balearic Islands. Shipping costs are shown before payment.
14 calendar days to withdraw without giving a reason. See conditions and exceptions. How it works.
3-year statutory warranty.





