Ultra Fast: 10/100/1000Mbps PCIe Adapter upgrade your Ethernet speed to Gigabit Automation: Wake on LAN supporting Auto Negotiation and Auto MDI/MDIX Supports: IEEE802.3x Flow Control for Full duplex Mode and backpressure for Half duplex Mode; 4k Bytes Port: 1x 10/100/1000Mbps RJ45 Network Media Compatibility: Windows 10, 8.1, 8, 7, Vista, XP Dual Bracket: Low profile and standard profile bracket inside works with both mini and standard size PCs This product is covered with a 90 warranty if you are not satisfied From Reliable Brand: TP Link has been ranked as the World's No. 1 provider of WLAN products for the past consecutive 7 years by IDC. In 2017