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Compact gray aluminum USB-C hub with HDMI, two USB-A ports, USB-C PD port and SD card slots

WRIARICH

WRIARICH BYL-2121U3 7-in-1 USB-C Hub Gray

SKU CH-QYE9-0D6KE

Connects a laptop to 4K HDMI, two USB 3.0 ports, USB-C data, SD and MicroSD cards while delivering 100 W pass-through power

  • ColorGray
  • TypeDocking Station
  • StandardsUSB C
  • Max Devices Supported7-Port
  • Thunderbolt 3Yes
  • Ports[7-in-1 USB-C Hub] USB Hub with 1* 4K HDM port, 1*100W Power
  • Charge laptop at 100W while hub runs
  • Mirror or extend display at 4K 30Hz
  • Transfer files up to 5 Gbps via USB 3.0
  • Read SD and MicroSD cards up to 256G
  • Works with Windows 11, macOS, Linux, Chrome OS

Seven-port USB-C hub for laptop users

The WRIARICH BYL-2121U3 adds seven connections through a single USB-C port. It suits people who need HDMI video, SD card access and extra USB-A sockets on a thin-and-light notebook. The compact gray aluminium case measures 5.1 x 1.4 x 0.7 inches and weighs 2.65 ounces. It works with Windows 11, 10, 8.1, 8, 7, macOS, iPad OS, Chrome OS and Linux without drivers.

Passive cooling runs silent with no fan noise

The hub draws power from the host or an attached 100W PD charger to run its ports. No active cooling is present, so operation stays completely silent. The aluminium body dissipates heat during sustained file transfers or 4K video output. Power delivery passes up to 100W through to the laptop while the hub itself consumes only a small fraction.

Aluminium shell with fixed cable and card slots

The unibody aluminium housing resists daily knocks and looks professional on a desk. A short captive USB-C cable connects to the host, so there is no separate lead to lose. Two USB 3.0 Type-A ports sit beside a USB-C data port and a 100W PD input. Full-size SD and microSD 2.0 slots accept cards up to 256G for direct photo import. The HDMI port supports 4K at 30Hz or 1080p for external displays.

Highlights

  • Charge laptop at 100W while hub runs
  • Mirror or extend display at 4K 30Hz
  • Transfer files up to 5 Gbps via USB 3.0
  • Read SD and MicroSD cards up to 256G
  • Works with Windows 11, macOS, Linux, Chrome OS

Specifications

BrandWRIARICH
SeriesBYL-2121U3
ModelBYL-2121U3
ColorGray
TypeDocking Station
StandardsUSB C
Max Devices Supported7-Port
Thunderbolt 3Yes
Ports[7-in-1 USB-C Hub] USB Hub with 1* 4K HDM port, 1*100W Power Delivery (PD) port, 1* USB-C and 2*USB 3.0 5Gbps data ports, 1*MicroSD card slot, and 1*SD card slot
Supported CardsYes
Transfer RateUp to 5 Gbps
Operating System SupportedWindows 11/10/8.1/8/XP/7, macOS, iPad OS, Chrome OS, Linux
Dimensions5.1 x 1.4 x 0.7 inches
Weight2.65 ounces
Features[7 IN 1 EXPANSION]- USBC Hub features a 100W Type C charging port and USB C data transfer, Usb c to HDMI multiport adapter 4K@30Hz, 2*USB3.0. The USB 3.0 ports for connecting multiple devices such as flash drive, keyboard, mouse, printer, etc. SD and Micro SD 2.0 Card Reader can read up to 256G memory cards Noted: Not support Superdrive
[4K VIDEO USB-C HUB TO HDMI ADAPTER]: Mirror or extend your screen with USB C hub HDMI port and directly stream 4K UHD @ 30Hz or full HD 1080P video to HDTV, monitor or projector.
[EFFICIENT USB C HUB]: High-speed USB-A 3.0 ports with 5Gb/s transfer s
Package Contents1*7 in 1 Multi-functional Hub

Questions about this item

How do I install the BYL-2121U3 hub and what step is often missed?

Plug the hub into a Thunderbolt 3 or USB-C port on your laptop; the step users miss is connecting the 100W PD charger to the hub's USB-C power port so the host can charge while all seven ports are active.

What maintenance or replacement will the BYL-2121U3 need over time?

No scheduled maintenance is required; if the SD or MicroSD 2.0 slots stop reading cards up to 256G, replace the hub as the card-reader controller is not serviceable.

What limit appears first during sustained 4K@30Hz video output with all ports busy?

The HDMI port is capped at 4K@30Hz, so extended sessions at that resolution hit the 30Hz refresh ceiling before the 5Gbps USB 3.0 bandwidth or 100W PD thermal limit becomes a factor.

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