GC-B04Thunderbolt 4Docking Station
A. Thunderbolt 4 Uplink（UFP) 40Gbps x 1
B. Thunderbolt 4Downlink（DFP) 40Gbps x 2
C. DP 1.4 port x 2
D. HDMI 2.0 port x 1
E. USB3.1 Gen 2 10Gbps A port x 3
F. 10/100/1000M Ethernet port x1
G. Headset/MIC Combo Jack x1
H. SDCard / TF Card 4.0 UHS-II 480Mbps x1
I. 20V/6A 120W DC IN x1
Ø Thunderbolt™ 4 docking station only needs one Thunderbolt™ 3 cable to charge MacBook Pro at full speed and drive five 4K (DP+DP+HDMI 4K60Hz+4K30Hz+1080P60Hz or 3*4K30Hz or 1 DP*8K30Hz; TB4+TB4 2*TB4 4K@60Hz or 1 TB4 8K@30Hz) external display, and bring high-speed data transmission up to 40 Gbps per port, give full play to the flexible characteristics of USB-C Thunderbolt™ 4 that can output power/display/data at the same time，The Upstream Port is TBT4/USB4.0, a maximum of 8K@30Hz can be output through a single downstream Type-C port, and a maximum of 4K@60Hz can be output through two downstream Type-C ports at the same time.
A. Uplink port (UFP) supports Thunderbolt 4 Connect to a Mac that supports Thunderbolt 3 or Thunderbolt 4, 85w (for UFP)/8K@30Hz/40Gbps.
B. 2 Downstream Ports (DFP) support high-speed data transmission of 40 Gbps per port, a maximum of 8K@30Hz can be output through a single downstream Type-C port, and a maximum of 4K@60Hz can be output through two downstream Type-C ports at the same time，can connect up to 6 other Thunderbolt 4 devices in a daisy chain to connect with laptops and expand the number of arrays, and can also connect to other iPhones, iPads Or USB Type C HUB devices and provide 15W power supply, and can also connect external graphics cards and matrix hard drives.
C. 2 DP ports support single 5K@60Hz or dual 4K@60Hz +4K@30Hz display output.
D. HDMI port supports single 4K@60Hz display output.
E. USB3.1 Gen 2 A port supports 10Gbps and 5V@1.5A.
F. Support 10/100/1000 BASE-TX Auto MDI/MDI-X, transmission rate: 1000Mbps.
G. 3.5mm stereo audio output and MIC input interface, American standard (CTIA).
H. For external SD memory card. USB3.1 card reader, supports SD3.1 Gen1 specification, can read 2 cards at the same time.
I. Used to power the product and charge the host computer, the input power is 120W.
Support built-in M.2 NVME (M KEY) maximum 2T SSD hard drive, 10Gbps/S.
3. Block Diagram
4. Operating System Support
A. Compatible with Thunderbolt™ 4, USB4, USB3/DP PCs and Thunderbolt™3 Macs。
B. The Upstream Port support TBT4/USB4.0/TBT3, Compatibly the WIN10, macOS 11(Big Sur) and Latest OS。
5. Power & Accessories
A. Power Supply: External universal Power (120W/ 20V@6A) x1
B. 0.7Mthunderbolt 3 cablex1.
C. User manual x1.
D. White box x1.