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Green PCIe expansion card with four silver USB Type-C ports on a metal bracket

SURF CUZ

SURF CUZ PCIe Gen3 x2 4-Port USB 3.1 Type C Expansion Card

SKU CH-Z4TV-5TR0A

Adds four USB 3.1 Type-C ports via a PCIe Gen3 x2 slot, delivering up to 10 Gbps data with 15 W per port and no extra power needed

  • TypePCI to USB / PS2 Port Card
  • External USB Ports4-port USB 3.0
  • Add four 10 Gbps USB-C ports via a single PCIe slot
  • Works on Windows 7 through 10, macOS 10.8.2+ and Linux without extra drivers on most systems
  • Draws all power from the slot — no external cable required
  • Fits PCIe x4, x8 or x16 slots; not compatible with x1, x2 or legacy PCI
  • Each port supplies 15 W with built-in over-current protection

Four USB-C ports for desktop expansion

This SURF CUZ add-in card adds four USB 3.1 Type-C ports to a desktop PC through a single PCI Express slot. It targets builders who need more high-speed external connections for drives or peripherals without opening the case for internal hubs. The card uses an ASM3142 controller to bridge PCIe Gen3 x2 bandwidth to the four downstream ports.

Fits x4, x8 or x16 slots with no extra power

Installation requires a free PCIe x4, x8 or x16 slot; x1 and x2 slots are not compatible. A self-powered IC draws what it needs from the slot itself, so no auxiliary power cable or external adapter is required. Each port supplies up to 15 W for bus-powered devices and includes over-current protection for safe hot-plug operation.

Sustained 10 Gbps throughput per port

The controller complies with the USB 3.1 Gen 2 specification and the PCI Express 3.0 base specification, delivering up to 10 Gbps per port under continuous load. Spread-spectrum clocking and PCIe link power management keep latency low during long transfers. Windows 7 requires the supplied driver; Windows 10, Linux and macOS 10.8.2 or later operate driver-free.

Highlights

  • Add four 10 Gbps USB-C ports via a single PCIe slot
  • Works on Windows 7 through 10, macOS 10.8.2+ and Linux without extra drivers on most systems
  • Draws all power from the slot — no external cable required
  • Fits PCIe x4, x8 or x16 slots; not compatible with x1, x2 or legacy PCI
  • Each port supplies 15 W with built-in over-current protection

Specifications

TypePCI to USB / PS2 Port Card
External USB Ports4-port USB 3.0

Questions about this item

How much power can each USB Type-C port supply to connected devices?

Each port delivers up to 15 W and includes over-current protection.

Does the card need an external power connector when running continuously?

No, it uses a built-in self-powered IC and requires no extra power supply.

Which PCIe slot sizes will accept this card?

It fits PCIe x4, x8 and x16 slots; x1 and x2 slots are not compatible.

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