DFRobot has recently listed the ADT-Link UT3G USB4 to PCIe x16 eGPU adapter featuring a PCIe Gen 4.0 x4 slot with 40 Gbps of bandwidth on their website. The module not only supports USB4, but it’s also compatible with Thunderbolt 3 and Thunderbolt 4 standards, meaning it can work with SBCs and mini PCs like the LattePanda Mu, V600 Alder Lake Mini PC, GEEKOM A7, and many others.
The converter is based on ASMedia ASM2464PD USB4 /Thunderbolt to PCIe accessory controller and features a 24-pin ATX connector for power and a USB-C (TB3/TB4/USB4) interface, as well as two switches and a jumper to set some additional things.
ADT-Link UT3G USB to PCIe Adapter Specifications
- Chip – ASMedia ASM2464PD USB4 /Thunderbolt to PCIe Accessory controller
- Type-C interface specifications
- Compatible with USB4, Thunderbolt 3, Thunderbolt 4
- Bandwidth – 40Gbps
- PCIe interface
- Card slot: PCIe x16
- Speed bandwidth: PCIe 4.0 x4
- Supported GPU
- NVIDIA series
- AMD series
- Power Supply – 75W via 24-pin ATX connector
- Working temperature – -20°C to 80°C
- Dimensions – 220x65mm
USB4 is based on the Thunderbolt 3 specification and theoretically should be compatible with Thunderbolt 3 devices, and so does Thunderbolt 4. However, the actual specification of a USB4 port will depend upon implementation, which means slapping a USB4 sticker on any USB port does not make it fully compatible with USB4 standards.
As you can see from the above image the USB4 standards allow for a lot of shortcuts like 40Gbit/s Transfer speeds, Tunneled USB 3.2 Gen 2×2 (20 Gbit/s), Tunneled USB3 Gen T (10–80 Gbit/s), Tunneled PCI Express, meaning this all can be not included in the implementation and it still will be called a USB4.
More information about the UT3G USB to PCIe Adapter can be found on the DFrobot’s wiki page or the ADT-Link official page. ADT-Link also showcases how this device can be used with standard laptops and there’s also provides benchmarks and other details with an AMD Radeon RC 5700 XT GPU.
The UT3G USB to PCIe Adapter can be purchased from DFrobot for $129.00. The product is also available on Aliexpress for $108.76 and Amazon for $169.98. AliExpress and Amazon options include shipping.
Debashis Das is a technical content writer and embedded engineer with over five years of experience in the industry. With expertise in Embedded C, PCB Design, and SEO optimization, he effectively blends difficult technical topics with clear communication
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