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Green PCIe circuit board with one USB-C port and low-profile bracket included

RIITOP

RIITOP USB 3.2 Gen 2x2 20Gbps PCIe USB-C Expansion Card

SKU CH-KQ5G-JHDYB

Adds a 20Gbps USB-C port with 15W power via a PCIe 3.0 x4 slot, using an ASM3242 controller for NVMe storage speeds

  • TypeController Card
  • Add a 20Gbps USB-C port to your desktop
  • Delivers up to 15W power for charging devices
  • ASMedia ASM3242 controller on PCIe 3.0 x4 lanes
  • Multiple INs reduce bandwidth loss with mixed-speed hubs
  • Fits full-height or low-profile slots with included bracket

USB 3.2 Gen 2x2 PCIe Card

This PCIe x4 add-in card adds one USB-C port running at up to 20Gbps using the ASMedia ASM3242 controller. It draws power from the slot and delivers up to 15W (5V @ 3A) for charging or bus-powered devices. The card fits full-height or low-profile brackets, both included, and works with Windows 8 and later, Linux, and macOS using in-box drivers.

Desktop builders adding fast USB-C storage

Suits users who want a single 20Gbps USB-C port for NVMe enclosures or high-speed SSDs on a desktop with a free PCIe 3.0 x4 slot (also works in 2.0 slots at reduced speed). Not for laptops, small-form-factor systems without a full-size slot, or anyone needing video output because the card does not support DP-Alt mode. Also not for builds that require multiple new USB-C ports or internal headers.

ASMedia ASM3242 controller on PCIe 3.0 x4

The ASM3242 host controller uses four PCIe 3.0 lanes to sustain the full 20Gbps rate and supports Multiple INs to reduce bandwidth loss when mixed-speed devices connect through a compatible hub. UASP support improves storage throughput. The card is backward compatible with USB 3.1, 3.0 and 2.0 peripherals.

商品特色

  • Add a 20Gbps USB-C port to your desktop
  • Delivers up to 15W power for charging devices
  • ASMedia ASM3242 controller on PCIe 3.0 x4 lanes
  • Multiple INs reduce bandwidth loss with mixed-speed hubs
  • Fits full-height or low-profile slots with included bracket

商品規格

TypeController Card

商品問答

What throughput limit does the ASMedia ASM3242 controller hit during sustained 20 Gbps transfers?

The card delivers up to 20 Gbps over four PCIe 3.0 lanes, so the practical ceiling is the bus bandwidth itself rather than a separate controller throttle.

How much heat or fan noise appears when the port runs at 15 W all day?

No active cooling is fitted; the board relies on case airflow, so sustained 15 W output adds only modest warmth inside the chassis.

Which slot and bracket must the motherboard already provide for this card to install?

A PCIe 3.0 x4 slot (also compatible with 2.0) and either a full-height or low-profile bracket opening are required.

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