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Green PCB card with five blue USB 3.0 ports and PCIe x1 edge connector

SMUGDESK

SMUGDESK PCIe X1 to 5-Port USB 3.0 Splitter Adapter GPU Crypto Rig

SKU CH-RNW8-94RCS

Expands one PCIe X1 slot into five USB 3.0 ports for multi-GPU mining rigs with 24/7 stability

  • Turns one PCIe X1 slot into five USB 3.0 ports for multi-GPU mining
  • Optimized circuit design keeps signals stable during 24/7 mining loads
  • Fits PCIe X1/X4/X8/X16 slots on mainstream mining motherboards
  • Works on Windows and Linux with plug-and-play, no driver install needed
  • Compact board saves space inside open-frame mining racks

PCIe X1 to 5-Port USB 3.0 Splitter

This SMUGDESK adapter converts a single PCIe X1 slot into five independent USB 3.0 ports for connecting multiple GPU riser cables. It targets cryptocurrency mining rig builders who need to expand GPU density beyond the motherboard's native slot count. The compact card fits open-frame mining racks and standard ATX chassis without crowding other components.

Upgrade from single-slot limitation

The adapter replaces the constraint of one GPU per PCIe slot by multiplying that single lane into five USB 3.0 interfaces for riser connections. The jump is worth it when a mining motherboard has spare PCIe X1, X4, X8 or X16 slots but insufficient physical space or electrical lanes for direct GPU installation. It enables 24/7 operation with an upgraded circuit designed to lower signal dropout risk under continuous high load.

USB 3.0 interface practical limits

The five ports share the bandwidth of the single upstream PCIe X1 link, so aggregate throughput is capped by that lane's 16 Gb/s raw rate. Each connected GPU riser negotiates at USB 3.0 speeds, but simultaneous heavy traffic on multiple ports will contend for the same upstream capacity. The adapter requires no extra drivers on Windows or Linux, yet it cannot increase the fundamental lane width or add power delivery beyond what the slot provides.

Highlights

  • Turns one PCIe X1 slot into five USB 3.0 ports for multi-GPU mining
  • Optimized circuit design keeps signals stable during 24/7 mining loads
  • Fits PCIe X1/X4/X8/X16 slots on mainstream mining motherboards
  • Works on Windows and Linux with plug-and-play, no driver install needed
  • Compact board saves space inside open-frame mining racks

Specifications

No published specifications for this item yet.

Questions about this item

What PCIe slot sizes accept this 1-to-5 USB 3.0 splitter adapter?

It fits PCIe X1, X4, X8 and X16 slots on most mainstream mining motherboards.

Which step do builders often skip when installing the riser card into an open-frame mining rack?

Securing the card to the frame so the five USB 3.0 ports stay aligned with GPU riser cables during 24/7 operation.

How often should the USB 3.0 ports be inspected on a rig running continuous mining loads?

Check port retention and cable seating every 16 to 24 hours during the first weeks, then at each scheduled hardware audit.

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