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Green circuit board with gold PCIe edge connector and white PCI slot, full-height metal bracket

SMUGDESK

SMUGDESK PCIe X1 X4 X8 X16 to PCI Bus Riser Card Adapter with Metal Bracket

SKU CH-9MX5-4838Q

Adds a legacy PCI slot to modern motherboards via any PCIe X1, X4, X8 or X16 slot with a metal bracket

  • Adds a legacy PCI slot to modern boards
  • Fits any PCIe X1 X4 X8 X16 slot
  • Full-height metal bracket secures the card
  • Reuses old PCI peripherals under Windows
  • Stable signal conversion with onboard chip

PCIe to legacy PCI riser

This SMUGDESK adapter converts a PCI Express X1, X4, X8 or X16 slot into a standard PCI bus interface. It lets you reuse older PCI peripherals such as parallel, serial, audio or industrial acquisition cards on modern motherboards that no longer provide native PCI slots. The board includes a full‑height metal bracket for secure chassis mounting without modification.

Installation and common issues

The card installs directly into any desktop PCIe slot and is fixed with the supplied bracket using standard case screws. No extra wiring or firmware updates are required; Windows recognises the bridge automatically. Problems usually arise when the legacy PCI device draws more power than the slot can supply or when a specific driver for the old peripheral is missing from the operating system.

Capacity and headroom

One legacy PCI device is supported per adapter, so each card adds a single PCI slot to the system. The bridge handles typical I/O cards such as multi‑port serial adapters or data‑acquisition boards without bandwidth bottlenecks. It runs out of headroom when multiple legacy cards are needed simultaneously or when a peripheral requires features the PCIe‑to‑PCI bridge does not implement.

How it compares

Measured against everything we stock in Interface & Card Adapters, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 90% of the 354 comparable items (median $21.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I verify the adapter is functioning after installing it in a PCIe X16 slot?

Open Device Manager in Windows and confirm the legacy PCI card appears without error codes, indicating the PCIe-to-PCI bridge is active.

What comes in the box and what must I supply?

The package includes the riser card with a full-height metal bracket; you must provide the legacy PCI peripheral and a desktop motherboard with a free PCIe X1, X4, X8 or X16 slot.

Which version should I choose for an industrial acquisition card that requires a standard PCI slot?

This single model converts any PCIe X1, X4, X8 or X16 slot to one legacy PCI bus, so it covers all listed versions for that use case.

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