- System Interface: PCIe v1.0a (2.5 GT/s) ensures fast and reliable data transfer. - Supported Interfaces: Compatible with 1000Base-T networks; requires CAT5, CAT5e, or better cabling. - Upgrade to Gigabit Networking: Elevate your network speed to 1.25Gb/s with this PCI-E Network Adapter featuring RJ45 ports. Note: Hot swapping is not supported. - Reliable Gigabit Ethernet Controller: Features the original Intel 8257 controller chip, designed for Wake-on-LAN (WOL) functionality, ensuring a stable connection across diverse environments. - Wide Compatibility: Works seamlessly with various operating systems, including Windows 7/8/10, CentOS/RHEL 6/7/8, Ubuntu 16/18/19/20, Debian 9/10/11, FreeBSD 10/11/12, and VMware ESXi 5/6/7. Please note: ESXi 6.5u3 to 6.7u3 requires the dump ne1000 driver. Not compatible with ESXi 7 and above. Use Cases: 1. Home Office: Perfect for upgrading your home office network to support high-speed internet connections for video conferencing and large file transfers. 2. Data Centers: Ideal for enhancing network performance in data centers where reliable, high-speed connectivity is essential for server communication. 3. Gaming: Boost your gaming experience by reducing lag and increasing download speeds, providing a competitive edge in online gaming. This network adapter is essential for anyone looking to enhance their internet connectivity and overall network performance while ensuring compatibility with multiple systems.