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Rectangular eGPU dock with Thunderbolt cable and multiple ports

LORDWORLD

LORDWORLD Thunderbolt eGPU Dock JHL7540 24Gbps

SKU CH-AP0H-SHRX3

Connects desktop graphics cards to Thunderbolt or USB4 laptops at 24 Gbps with dual 40 Gbps ports, 2.5 Gbps Ethernet, UHS-II card slots, DisplayPort and twin 10 Gbps USB, powered by PD, DC or ATX

  • JHL7540 controller delivers 24Gbps throughput for demanding graphics work
  • Dual 40Gbps Thunderbolt ports support daisy-chaining and high-speed peripherals
  • Four power input choices — PD, DC or ATX — up to 330W
  • Works with NVIDIA RTX 5090 down to GTX 450 and AMD equivalents
  • 5Gbps Ethernet, UHS-II card slots, DisplayPort and dual 10Gbps USB 3.2 Gen2 ports

Thunderbolt eGPU Dock JHL7540 24Gbps

This dock connects a desktop graphics card to a laptop or console through a Thunderbolt 3 or 4 port using the JHL7540 controller at 24Gbps. It suits creators and gamers who need external GPU power for rendering, AI art or AAA titles on Windows 10, 11 or Linux systems with Intel or AMD processors.

Installation and common issues

The package includes a 39inch Thunderbolt 4 cable, an 8Pin GPU cable and a 24Pin power jumper; you supply the card and one power source from PD 20V 5A, DC 19-20V or ATX 8Pin, keeping total DC input under 330W. Builders must match the correct wiring for DC versus ATX inputs and verify that consoles with USB4 have the required BIOS update before use.

Thunderbolt bandwidth and port limits

The JHL7540 link tops out at 24Gbps, so high-end cards such as an RTX 5090 will not reach full PCIe 3.0 x16 potential. Dual 40Gbps Thunderbolt ports allow daisy-chaining, while 10Gbps USB 3.2 Gen2, 2.5Gbps Ethernet, DisplayPort and UHS-II card slots share the remaining throughput.

Highlights

  • JHL7540 controller delivers 24Gbps throughput for demanding graphics work
  • Dual 40Gbps Thunderbolt ports support daisy-chaining and high-speed peripherals
  • Four power input choices — PD, DC or ATX — up to 330W
  • Works with NVIDIA RTX 5090 down to GTX 450 and AMD equivalents
  • 5Gbps Ethernet, UHS-II card slots, DisplayPort and dual 10Gbps USB 3.2 Gen2 ports

Specifications

BrandLORDWORLD

Questions about this item

How do I verify the JHL7540 controller is delivering 24Gbps after setup?

The dock uses the JHL7540 controller rated for around 24Gbps; connect a Thunderbolt 3 or 4 host and check the link speed in the OS Thunderbolt settings to confirm the negotiated rate.

What cables and adapters come in the box and what must I source separately?

Included: eGPU dock, 39inch Thunderbolt 4 cable, white 8Pin GPU power cable, 24Pin power jumper. Not included: any DC, PD or ATX power supply and the graphics card itself.

Which power input should I choose for a card that needs up to 330W?

Use one of the four inputs — Type-C PD 20V 5A, DC 7450 19-20V, DC 5525 19-20V, or CPU 8Pin ATX — ensuring the DC or ATX source does not exceed 330W.

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