Additional Details ------------------------------ Product description: StarTech.com Server network adapter card contains two Ethernet ports and has a PCI express slot that allows you to connect it to client, server or a workstation. StarTech.com Server network adapter card features two RJ-45 female Ethernet ports and offers full duplex support. Card offers a data transfer rate of 2000 Mbps for full-duplex transmission and 1000 Mbps for half-duplex transmission. Dimensions: 4.7"(H) x 0.7"(W) x 3.6"(L). Chipset ID: Realtek - RTL8111E, Asmedia - ASM1182E. Host interface: PCI-Express x1, Network technology: 10/100/1000Base-T- Gigabit Ethernet, Maximum data transfer rate: 2000 Mbps (full-duplex), 1000 Mbps (half-duplex). Interface/ports: 2 x RJ-45 network, Connector type: 1x PCI-Express x1 male. Form factor: Plug-in card. Device supported: Server. Performance: Auto MDIX, full-duplex support, Jumbo frame support: 9K max. Supported protocols: IEEE 802.1Q VLAN tagging, IEEE 802.1P layer 2 priority encoding and IEEE 802.3x full-duplex flow control. Card type: Standard Profile (LP bracket included), Port style: Integrated on card, Industry standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, PCI express base specification 2.0. Optional low-profile/half-height bracket that can be used for installation into a standard or small form-factor computer chassis. Indicators: LED: 2 - Green - Link/Activity, 2 - Yellow - Gigabit Mode. Software: OS Compatibility: Windows 8.1 / 8 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64), 2000 Windows Server 2012, 2008 R2, 2003(32/64), Mac OS 10.4 and up, Linux 2.4.x and up. System and cable requirements: Available PCI-Express slot. Environmental: Temperature: Operating: 0 deg C to 70 deg C (32 deg F to 158 deg F), Storage: 0 deg C to 100 deg C (32 deg F to 212 deg F), Humidity: 10 approx. 90% RH. Includes 1 x PCIe network card, 1 x low-profile bracket, 1 x driver CD, 1 x instruction manual. Weight: 1.8 oz. Warranty: 2 years limited.