ASUS USB4 PCIe Gen4 Card – Dual USB4 / DP 1.4 / PCIe 4.0 x4

Brand new. Genuine ASUS product. Adds two USB4 (40 Gbps) Type-C ports plus DisplayPort 1.4 video output to your desktop PC via a PCIe 4.0 x4 slot.

✅ Key Features

• Dual USB4 Type-C ports — 40 Gbps bi-directional bandwidth
• ASMedia ASM4242 certified USB4 controller
• 60W Quick Charge (20V/3A) on both Type-C ports
• Two DisplayPort 1.4 IN ports — up to 8K @ 60Hz video output via USB-C
• PCIe 4.0 x4 interface — full 40 Gbps bandwidth utilization
• 6-pin PCIe power connector for stable PD operation
• USB 2.0 header + USB4 (14-1 pin) header for motherboard integration

📐 Specifications

Brand	ASUS
Model / MPN	USB4 PCIE GEN4 CARD
Chipset	ASMedia ASM4242 Controller
Interface	PCIe 4.0 x4
External Ports	2× USB Type-C (USB4 OUT) / 2× DisplayPort 1.4 (IN)
Data Rate	Up to 40 Gbps (bi-directional)
Power Delivery	60W Quick Charge (20V/3A) per port
Max Resolution	8K @ 60Hz (DisplayPort 1.4)
Power Connector	6-pin PCIe
Internal Headers	1× USB 2.0 / 1× USB4 (14-1 pin)
Operating System	Windows 11 / Windows 10 64-bit
Condition	Brand New

🖥️ Compatible Motherboards

⚠️ Important: Full functionality (USB4 header integration, BIOS-level support) requires an ASUS motherboard with a 14-1 pin USB4 header. Cards may operate in basic mode on other PCIe 4.0 x4 slots, but ASUS does not guarantee compatibility outside the official support list. BIOS update may be required.

Officially supported chipsets (per ASUS Compatibility List Ver 2.0):

▼ Intel Platforms

• 800 Series (2024–present): Z890 series (with USB4 header)
• 700 Series (2022–2024): Z790, B760, H770
• 600 Series (2021–2023): Z690, select B660 / H670 models

▼ AMD Platforms

• 800 Series (2024–present): X870E, X870, B850
• TRX50 (2023–present): Pro WS TRX50-SAGE WIFI and other Threadripper boards
• 600 Series (2022–2024): X670E, X670, B650E, B650

📦 What's in the Box

• 1× USB4 PCIE GEN4 CARD (main unit)
• 2× DisplayPort cables
• 1× USB 2.0 cable
• 1× 14-1 pin USB4 header cable
• 1× User manual

📦 Shipping

Shipping Time: Ships from Japan within 3–7 business days after payment confirmation.

Estimated Delivery Time: Delivery time varies by destination, but the item usually arrives within about 3–7 days after shipment via tracked international courier (FedEx / DHL / EMS).

All items are carefully packed with anti-static protection and reinforced outer packaging to ensure safe arrival.

🏪 About Us

All items are carefully packed and shipped directly from Japan.

We specialize in genuine OEM and brand-new computer components, motherboard accessories, and expansion cards sourced from authorized Japanese distributors.

If you are looking for other ASUS components or have any questions about compatibility, please feel free to contact us — we usually respond within 24 hours (Japan Standard Time).

🌍 International Buyers – Please Note

Import duties, taxes, and other customs charges are not included in the item price or shipping cost.

These charges are the buyer's responsibility and may vary depending on the destination country.

Please check with your local customs office for details before purchasing.