QNAP QXG-5G1T-111C Single-Port 5GbE PCIe Network Expansion Card

Overview

The QNAP QXG-5G1T-111C is a single-port 5 GbE PCIe network expansion card designed to upgrade your computer or QNAP NAS with faster network speeds. It fits into a PCIe 3.0 x1 slot and supports data transfer rates up to 5 Gbps, significantly improving file transfers, backups, and media streaming compared to standard Gigabit Ethernet. This card is ideal for users who need to move large files quickly, such as creative professionals, small businesses, and home network enthusiasts.

Key features

• PCIe 3.0 x1 interface that installs easily in most desktops and NAS systems for quick network upgrades
• Single RJ45 port supporting 5 G, 2.5 G, 1 G, and 100 Mb speeds to ensure compatibility with various network setups
• Marvell AQtion AQC111C controller delivers stable and efficient multi-gigabit throughput for demanding tasks
• Works with existing Cat 5e cabling, eliminating the need for costly rewiring in most environments
• Includes three mounting brackets—low-profile, full-height, and QNAP-specific—to fit compact desktops, workstations, and rack-mount enclosures
• Compatible with Windows, Linux, and QTS operating systems, allowing seamless integration into mixed-platform networks
• Backed by a limited two-year warranty, providing peace of mind for long-term use

Key specs

• Interface: PCIe 3.0 x1
• Network port: 1 x RJ45 Ethernet
• Supported speeds: 5 Gbps, 2.5 Gbps, 1 Gbps, 100 Mbps
• Controller: Marvell AQtion AQC111C
• Cabling: Compatible with Cat 5e cables
• Operating system support: Windows, Linux, QTS
• Warranty: Limited two years

Connectivity and compatibility

This expansion card offers a straightforward way to add multi-gigabit Ethernet to your existing setup without changing your cabling infrastructure. The single RJ45 port supports a range of speeds, automatically negotiating the best connection based on your network environment. Its compatibility with major operating systems ensures it can be deployed in diverse IT environments, from home labs to professional NAS systems.

Installation and setup

Installation is simple and user-friendly. The card fits into any PCIe 3.0 x1 slot, and the included brackets allow it to be mounted in various chassis types, including low-profile desktops and rack-mounted NAS units. Since it works with Cat 5e cables, most users can upgrade their network speed without running new cables, saving time and expense.

Ideal uses and environments

This network card is well suited to creative professionals who need faster access to large media files stored on NAS devices, small businesses aiming to reduce backup windows, and tech enthusiasts building high-speed home networks. Its ability to deliver multi-gigabit speeds over existing cabling makes it a practical choice for upgrading network performance without extensive infrastructure changes.