1. Versatile Placement: Use it as you wish in various locations (office, internet cafe, surveillance, data server, etc.). 2. Gold-plated PCI-E gold finger. 3. 10/100/1000Mbps Gigabit LAN for high-speed networking. 4. Full duplex flow control (IEEE 802.3x) supported. Plug and play. 5. Fully compliant with IEEE802.3, 802.3ab, 802.3u, 802.3x, 802.1q, VLAN. Features: Versatile Placement: Use it as you wish in various locations (office, internet cafe, surveillance, data server, etc.). RTL8111E master chip. Gold-plated PCI-E gold finger. 10/100/1000Mbps Gigabit LAN for high-speed networking. Full duplex flow control (IEEE 802.3x) supported. Plug and play. Fully compliant with IEEE802.3, 802.3ab, 802.3u, 802.3x, 802.1q, VLAN. Supported Operating Systems: Windows 98SE / Windows ME / Windows 2000 / XP / Vista / Windows 7/8/10 / Mac / Linux/Unix, etc. Specifications: Controller Processor: Realtek RTL8111E Supported Data Rate: 10M, 100M, 1Gbps (1000Mbps) Compliant with PCI Express 1.0a revision. Interface: PCI Express x1 interface, compatible with PCI Express x1, x4, x8, x16 slots. Size: Approx. 120 * 70 * 20mm / 4.72 * 2.76 * 0.79in Package List: 1 x Network Card