USB 3.0 PCIe Expansion Card SINEFINE 4-Port

Description

Product Overview

The SINEFINE UP4000 is a PCI Express (1×) internal expansion card that adds four USB 3.0 Type‑A ports to any desktop computer. Built on a high‑performance host controller, the card delivers a combined 5Gbps bandwidth and supplies up to 5V/3A per port, ensuring stable power for external hard drives, SSD enclosures, docking stations and other power‑hungry peripherals. The compact 4.64 × 3.42 × 0.7 in design fits easily in standard ATX cases, and the card weighs only 3.52 oz, making installation straightforward. It is compatible with PCIe 1.0 through 4.0 slots and supports a wide range of operating systems, including Windows 7‑11, macOS, and major Linux distributions.

Usage

Designed for gamers, video editors, engineers and everyday users, the UP4000 provides the extra USB bandwidth needed for high‑resolution capture cards, fast external storage, VR headsets and multi‑device workstations. Install the card in an available PCIe slot, secure it with the supplied screws, and connect your devices—no external power brick is required. Whether you are building a custom rig, upgrading an older workstation, or expanding a home office PC, this card delivers reliable, high‑speed connectivity for demanding applications.

Why Choose Us

SINEFINE combines rigorous component selection with thorough testing to ensure each card meets strict performance standards. The integrated 12 A power module distributes ample current across all ports, preventing voltage drops during intensive data transfers. Our 360‑day warranty and responsive customer support provide peace of mind, while the included driver CD and detailed manual simplify setup for users of all skill levels.

Key Features

• Four USB 3.0 Type‑A ports delivering up to 5Gbps total bandwidth
• High‑power 5V/3A per port for external HDDs, SSDs and docking stations
• Universal compatibility with Windows, macOS and Linux operating systems
• No external power adapter required – draws power directly from the PCIe slot
• Compact low‑profile design fits standard ATX cases and supports PCIe 1.0‑4.0

FAQ

Do I need an external power source for the card?

No. The UP4000 draws all necessary power (up to 12 A total) from the PCIe slot, eliminating the need for an additional power cable.

Is the card compatible with Windows 11?

Yes. The card works with Windows 7, 8, 10 and 11. Drivers are included on the supplied CD and also available for download.

Can I use the ports to charge smartphones?

The ports provide up to 5V/3A, which is sufficient for fast charging compatible devices, but the card does not support BC 1.2 charging protocols.

Will this card work in a laptop?

The UP4000 is an internal PCIe card intended for desktop motherboards. It cannot be installed in laptops without a compatible PCIe expansion chassis.

What warranty does SINEFINE offer?

All units come with a 360‑day limited warranty covering manufacturing defects, plus access to friendly technical support.