StarTech.com 1-Port Gigabit Ethernet Network Card - PCI Express, Intel I210 NIC - Single Port PCIe Network Adapter Card with Intel Chipset (ST1000SPEXI) - network adapter - PCIe

Add Gigabit Ethernet to a client, server or workstation through a PCI Express slot. Boost the performance and capabilities of your server or desktop computer by adding a Gigabit Ethernet port through a PCI Express slot, to help deliver a high-performance and cost-effective network solution.
This Gigabit Ethernet network card utilizes the Intel I210-AT chipset, designed to deliver the power, performance and enhanced capabilities you need for dependable network connections to your server or computer. Compliant with IEEE 802.3/u/ab standards, the network card provides an effective upgrade or replacement network port with maximum throughput up to 1000Mbps in each direction (2000 Mbps total) - up to ten times faster than 10/100 Ethernet.
The I210 chipset provides many advanced features to support load-balancing the flow of network traffic, to enhance throughput and provide greater data reliability. It also supports Audio-Video Bridging (AVB) to enable tightly controlled media stream synchronization, buffering and resource reservation.
Compatible with a broad range of operating systems, this versatile PCIe Gigabit NIC is ideal for many business applications requiring upgrades to servers or workstations, adding feature-rich Gigabit networking. It's a cost-effective way to upgrade your server or computer from a 10/100 Ethernet port to a Gigabit Ethernet port, or add an Ethernet port to take advantage of advanced features such as VLAN tagging, Jumbo Frames, Wake-On LAN and Auto MDIX.
With a dual-profile design, the PCI Express network card installs easily into a wide range of computer/server chassis, regardless of form factor. The card comes equipped with a full-sized bracket, and includes a low profile/half-height installation bracket that you can use as needed.