QNAP QXG-5G1T-111C 5GbE PCIe Network Interface Card, 1x RJ45, Low-Profile

The QNAP QXG-5G1T-111C is a high-performance network interface card designed to deliver 5GbE connectivity over standard RJ45 cables. Featuring the Marvell AQC111C controller and PCIe 3.0 x2 interface, this card provides a seamless upgrade path for NAS, workstations, and servers requiring faster network speeds without replacing existing cabling infrastructure. It supports multi-gigabit speeds including 5Gbps, 2.5Gbps, 1Gbps, and 100Mbps, ensuring backward compatibility with legacy networks.

Advantages

Experience up to 5x faster data transfers compared to traditional Gigabit Ethernet. The QXG-5G1T-111C leverages existing Cat5e/Cat6 cabling, reducing upgrade costs. With support for jumbo frames up to 16KB and PXE boot, it is ideal for virtualized environments, high-speed storage access, and multimedia streaming. The included low-profile bracket fits compact chassis, while a full-height bracket is provided for standard cases.

Suitable for

• QNAP NAS systems requiring enhanced network throughput
• High-performance workstations and servers
• Virtualization and hypervisor environments
• Media production and large file transfers

Key specifications

• Network Interface: 1x 5GbE RJ45 (NBASE-T)
• Host Interface: PCIe 3.0 x2
• Chipset: Marvell AQC111C
• Data Transfer Rates: 5Gbps / 2.5Gbps / 1Gbps / 100Mbps
• Jumbo Frame Support: Up to 16KB
• PXE Boot Support: Yes
• IEEE Standards: 802.3an, 802.3bz, 802.3ab, 802.3u, 802.1Q, 802.1p, 802.3x, 802.1AS, 802.1AX
• Bracket Type: Low-profile (pre-installed), Full-height (included)
• Form Factor: PCIe Expansion Card
• LED Indicators: Link/Activity
• Supported OS: QTS, QuTS hero, Windows, Linux

Recommendations

For optimal performance, pair this card with a 5GbE switch or directly connect to another 5GbE-enabled device. Ensure your system has an available PCIe 3.0 x2 or higher slot. Compatible with QNAP NAS models that support PCIe expansion.