PCI Express 4x Gigabit Dual Port Fiber Optic Server NIC Network Card TXA027 I350 Item Type: PCI Express Model: TXA027 I350 server network card Chipset: For Intel I350 Ethernet controller Applicable Network Type: Gigabit Ethernet Port Type: 2 x SFP Standards: IEEE802.3, IEEE802.3u, IEEE802.3az, IEEE802.3x, IEEE 802.3z, IEEE802.3ab Data Rate: 10/100/1000Mbps Interface: PCI Express 4x Full Duplex/Half Duplex: Adaptive full duplex/half duplex LED Indicator: LED 10/100 / 1000Mb (Link / Act) Support Operating Systems: For Windows at 10 (32/64), 8/8.1 (32/64), 7 (32/64) / Vista (32/64) / XP (32/64), 2000 / WindowsServer at 2012, 2008 R2, 2003 (32/64) / OS X at 10.x (for Intel-based, tested up to 10.9) / Linux 2.4.x and later (tested up to 3.5) Working Temperature: 0℃-55℃ Relative Humidity: 10%-90% (no condensation) Storage Temperature: -0℃-80℃ Relative Humidity: 5%-90% (no condensation)