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Green PCB with one PCIe x1 edge connector and four PCIe x1 slots linked by USB 3.0 cables, metal heatsink on main chip

SMUGDESK

SMUGDESK PCIe 1 to 4 USB3.0 Port Multiplier Expansion Adapter

SKU CH-HBFT-56GR3

A PCIe 1-to-4 port multiplier using USB 3.0 extends one motherboard slot into four interfaces for multi-GPU mining rigs and desktop PCIe expansion

  • Expands one PCIe slot into four ports
  • PCIe switch chip with solid capacitors protects against surges
  • Fits X1, X4, X8 and X16 motherboard slots
  • Runs on Windows 11, 10, 8, 7, Linux, HiveOS, RaveOS
  • Heatsink keeps chip cool during continuous mining

Expansion Capability

This PCIe 1-to-4 multiplier uses USB3.0 signal transmission to turn a single motherboard PCIe X1 slot into four independent PCIe X1 ports, allowing up to four graphics cards to be mounted via standard risers for multi-GPU computing or mining rigs.

Target Builders

It suits builders who need cost-effective PCIe lane expansion on boards with limited slots and who run Windows 11, 10, 8, 7, Linux, HiveOS or RaveOS; it is not for systems that require native PCIe bandwidth per device or that cannot accommodate USB3.0 cable routing.

Key Specification

The adapter employs a professional PCIe switch controller with solid-capacitor power circuitry and an integrated heatsink to deliver stable signal output with anti-surge and overcurrent protection during continuous operation.

How it compares

Measured against everything we stock in USB Adapter Cables & Dongles, at today’s prices. Recalculated every night.

Price $24.99
Pricier than about 81% of the 1,430 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I verify the four PCIe slots are active after installing the SMUGDESK multiplier card?

Boot the mining OS — Windows 11, 10, 8, 7, Linux, HiveOS or RaveOS — and confirm each GPU appears in device manager or the mining dashboard with a stable hash rate.

What ships with the card and what must I source separately?

The box contains the PCIe 1-to-4 multiplier board with integrated heatsink and a USB 3.0 data cable; you still need four PCIe 1X-to-16X risers and the GPUs themselves.

Which version of this multiplier should I choose for a four-GPU mining rig?

This single model turns one PCIe X1, X4, X8 or X16 slot into four independent PCIe X1 ports, so one unit covers a four-GPU build.

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