StarTech.com ST2GPEX 2.5Gbps PCIe x4 Network Card

Slow, unreliable connections can cripple your workflow. The StarTech.com ST2GPEX 2.5Gbps PCIe x4 Network Card adds a single copper Ethernet port to any desktop or server, delivering speeds up to 2.5 Gbps over existing CAT5e or CAT6a cabling, so you can boost performance without costly rewiring.

Benefits of StarTech.com Network Card

You gain faster data transfers that keep large files moving smoothly, while the automatic speed negotiation ensures you always run at the optimal rate for your network. The card’s low-profile design fits easily into tight cases, and features like Wake-on-LAN let you power up remotely for added convenience. With a two-year warranty and lifetime technical support, you enjoy peace of mind and reliable service for years to come.

Key Features of a 2.5Gbps Network Card

• Interface: PCI Express x4. Provides a high-speed bus connection for maximum throughput.
• Port: 10M/100M/1G/2.5 Gigabit Ethernet x 1. One RJ-45 connector that adapts to four common speeds.
• Chipset: Realtek RTL8125. Delivers a 250 % speed increase over standard Gigabit Ethernet.
• Standards: IEEE 802.3u, 802.3ab, 802.3az, 802.3bz. Guarantees compatibility with modern networking equipment.
• Jumbo Frames: 16K support. Allows larger packets for more efficient data handling.
• Auto-MDIX: Automatic crossover detection. Simplifies cabling by removing the need for special crossover cables.
• Wake-on-LAN: Remote power-on capability. Lets you start a machine over the network.
• Compatibility: Windows ® and macOS & Linux. Works across major operating systems without extra drivers.
• Cabling: Works on CAT5e up to 100 m and CAT6a. Utilises existing wiring for cost-effective upgrades.
• Warranty: 2-year limited warranty with free lifetime technical support. Provides long-term protection and assistance.

Usages of a 2.5Gbps Network Card

Ideal for everyday networking tasks, this card fits seamlessly into a variety of scenarios:

• Upgrading a home office PC for faster file transfers and video calls.
• Enhancing a small-business server to handle increased traffic without new cabling.
• Connecting a workstation to a 2.5 GbE-enabled switch for smoother large-file workflows.
• Enabling reliable remote wake-up for a media server or NAS.
• Providing a stable, high-speed link for gaming rigs that need low latency.

StarTech.com Network Card

Many buyers worry that moving to Multi-Gigabit Ethernet means expensive cabling or complex configuration. The common mistake is assuming you must replace all wiring, which often leads to unnecessary spend. The StarTech.com ST2GPEX 2.5Gbps PCIe x4 Network Card solves this by supporting 2.5GBASE-T and NBASE-T over existing CAT5e cables, delivering higher speeds without a full infrastructure overhaul. Its plug-in, low-profile design and broad OS support remove the guesswork, letting you upgrade confidently and cost-effectively.

Specifications