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Black metal PCIe 1x to four USB 3.0 riser board with gold connectors and six LEDs

SXDOOL

SXDOOL PCIe 1x to 4 USB 3.0 Riser Adapter Board

SKU CH-5FVM-B4FH0

Expands one PCIe x1 slot into four USB 3.0 ports for GPU risers, powered directly from the motherboard with gold-plated connectors and six status LEDs

  • Expands one PCIe x1 slot into four USB 3.0 ports
  • Direct motherboard power eliminates external cables for stable operation
  • Gold-plated USB connectors reduce interference and preserve data integrity
  • ASM1184E chip enables compatibility with Windows and Linux systems
  • Compact 12 x 5.5 x 7.5 cm metal board fixes securely to chassis

PCIe 1x to 4 USB 3.0 riser

This SXDOOL adapter plugs directly into a single PCIe x1 slot and expands it into four USB 3.0 connectors for GPU riser cards. It targets cryptocurrency miners and builders who need multiple graphics cards but have limited motherboard lanes. The board uses an ASM1184E chip and fits into standard chassis mounting points for a secure installation.

Passive cooling and slot power

The metal board draws power straight from the PCIe slot without extra cables, so there are no external power bricks or adapter chains to fail. Gold-plated USB connectors cut contact resistance and signal loss across the four ports. Six onboard LEDs give a quick visual check that each link is active and the board is receiving power.

BIOS-enhanced compatibility

A revised BIOS on the card improves handshake reliability with a wide range of motherboards and graphics cards while lowering the adapter's own power draw. The package contains only the riser board itself; no riser cables, mounting screws or driver discs are included. Windows and Linux systems recognise the device without additional software.

Highlights

  • Expands one PCIe x1 slot into four USB 3.0 ports
  • Direct motherboard power eliminates external cables for stable operation
  • Gold-plated USB connectors reduce interference and preserve data integrity
  • ASM1184E chip enables compatibility with Windows and Linux systems
  • Compact 12 x 5.5 x 7.5 cm metal board fixes securely to chassis

Specifications

No published specifications for this item yet.

Questions about this item

How do I install this PCIe 1x to 4 USB 3.0 riser board and what is the common mistake?

Insert the board directly into any PCIe x1, x4, x8 or x16 slot on the motherboard; no external power cable is required. The common mistake is forgetting to secure the board to the chassis with screws, which stabilises the four USB ports.

What maintenance or replacement will this riser board need over time?

The board has no moving parts or fan. Maintenance is limited to keeping the gold-plated USB connectors and the PCIe edge connector free of dust; reseat the card if contact oxidation appears after prolonged use.

What limit appears first when running four devices continuously on this adapter?

The single PCIe 1x upstream link shares its bandwidth across all four USB 3.0 ports, so aggregate throughput caps at the x1 lane speed before any individual port reaches its own 3.0 limit.

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