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Green PCB card with metal bracket and two blue USB ports

SMUGDESK

SMUGDESK PCIe X1 to 2-Port USB 3.0 Expansion Card

SKU CH-DRVZ-Z424M

Adds two USB 3.0 ports via a PCIe x1 slot for 5 Gbps transfers with simultaneous dual-device stability

  • Converts one PCIe x1 slot into two USB 3.0 ports with 5Gbps speed
  • Onboard controller keeps both ports running steadily at the same time
  • Fits standard brackets and works in X1, X4, X8 or X16 slots
  • Backward compatible with USB 2.0 and USB 1.1 devices
  • Full driver support for Windows and Linux systems

Dual USB 3.0 ports via PCIe x1

This SMUGDESK adapter adds two independent USB 3.0 ports to a desktop by using a single PCIe x1 slot. It is aimed at PC builders and upgraders whose motherboards or cases lack enough front or rear USB connections for everyday peripherals. The card works in any PCIe x1, x4, x8 or x16 slot and includes a standard bracket for regular cases.

Onboard controller enables simultaneous use

The built-in controller chip keeps both ports running at up to 5 Gbps each without bandwidth contention when two devices are active. Backward compatibility with USB 2.0 and USB 1.1 lets older flash drives, keyboards or mice work without extra adapters. Full driver support for Windows and Linux means the card is recognised quickly after installation.

Handles external HDDs and daily peripherals

The card comfortably powers typical external hard drives, flash drives and common USB accessories at full USB 3.0 speed. It runs out of headroom only when total attached draw exceeds what the single PCIe slot can supply, so very high-power devices may need a separate powered hub. Buyers who want more than two additional ports or need internal headers will need a different solution.

How it compares

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

Price $20.99
Cheaper than about 55% of the 354 comparable items (median $21.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Will the onboard controller chip need replacement after heavy use?

The onboard controller chip is a fixed component soldered to the card and has no user-serviceable parts or scheduled replacement interval.

What limits sustained transfer speed when both USB 3.0 ports are active?

The PCIe x1 lane provides a 5 Gbps ceiling shared by both ports, so simultaneous heavy traffic on both ports will hit that bandwidth limit first.

How much extra heat or power draw does the card add when running all day?

The card draws power directly from the PCIe slot with no external connector, adding minimal heat that is dissipated passively through the bracket and PCB.

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