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Green circuit board with four gold USB 3.0 ports and PCIe x4 edge connector

Vszerda

Vszerda PCI-E 4X to 4 USB 3.0 Riser Card

SKU CH-SG88-GPVGK

Expands one PCIe 4X slot into four PCIe USB 3.0 ports for multi-GPU mining rigs using an ASM1806 chip with direct motherboard power

  • Expands one PCIe 4× slot into four GPU ports
  • ASM1806 chip enables PCIe 2.0 x4 with 1.1/3.0/4.0 compatibility
  • Direct motherboard power eliminates external cables for stable operation
  • Gold-plated USB connectors reduce signal loss on riser cables
  • Ports carry PCIe signals only — not usable for standard USB devices

PCI-E 4X to 4 USB 3.0 Ports

The Vszerda riser card expands a single PCI Express 4X slot into four USB 3.0 connectors that carry PCI-E signals for add-in cards. It targets cryptocurrency miners and enthusiasts who need multiple GPU or accelerator connections from a motherboard with limited expansion slots. The board draws power directly from the slot and uses an ASM1806 controller for signal distribution. No external power cable is required for the controller itself.

Fits X4 X8 X16 Slots Directly

The card plugs into any PCI Express 4X, 8X or 16X slot and is compatible with PCIe 1.1, 2.0, 3.0 and 4.0 signalling rates. Installation requires the system to be powered off before insertion. Each of the four USB 3.0 ports accepts a standard USB 3.0 cable that links to a separate PCI-E riser or adapter board carrying the actual GPU or device. Gold-plated USB contacts reduce contact resistance and signal loss across the link.

Four PCI-E Lanes Shared Across Ports

The single 4X upstream link provides four lanes of bandwidth that are shared among all connected devices, so aggregate throughput is limited to the PCIe 2.0 4X ceiling. This suits mining workloads and compute tasks that tolerate reduced per-device bandwidth but will saturate with multiple high-throughput cards. The adapter cannot connect ordinary USB peripherals because its ports carry only PCI-E protocol signals.

Highlights

  • Expands one PCIe 4× slot into four GPU ports
  • ASM1806 chip enables PCIe 2.0 x4 with 1.1/3.0/4.0 compatibility
  • Direct motherboard power eliminates external cables for stable operation
  • Gold-plated USB connectors reduce signal loss on riser cables
  • Ports carry PCIe signals only — not usable for standard USB devices

Specifications

No published specifications for this item yet.

Questions about this item

Does the ASM1806 chip or the PCIe 2.0 x4 link become the bottleneck when four GPUs run at full load?

The card uses an ASM1806 chip over a PCIe 2.0 x4 connection, so the 2.0 x4 bandwidth is the first limit you will hit with four devices.

How much heat or fan noise does the board add when it powers four risers continuously?

The board draws power directly from the motherboard slot with no external connector and has no active cooling, so it adds negligible heat and zero fan noise.

What motherboard slot and cables must I already have to use all four ports?

You need a free PCIe x4, x8 or x16 slot and four USB 3.0 data cables to connect the riser cards.

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