This network card is capable of enhancing wifi signals and expanding to a very fast data transmission up to 1000Mbps. And it is compatible with multiple models of notebooks and tablets, provides an excellent solution for your daily online activities such as transferring files, browsing the Internet, and downloading music. Features: 1. Adopt BCM5751 chip, can reach the speed up to 1000Mbps. 2. You can use it in various places, such as office, internet cafe, monitoring, data server, etc. 3. Support several systems, for windows7/8/10, for LINUX. 4. Gold-plated PCI-E connecting finger. 5. Support diskless server PXE boot, ESX, ROS,VILAN aggregation, ESXI, soft routing, etc. 6. With a baffle, adapt to different models of computer case. Specification: Condition: Brand New Name: BCM5751 Server Gigabit Network Card Material: PCB + Metal Main Control Chip: BCM 5751 Interface Type: R45*1 Slot Interface: PC|-EX1 Transmission Speed: 10/100/1000Mbps Applicable Network: for Fast Ethernet Applicable Areas: Desktop, workstation, server full / half duplex: full-duplex, half-duplex adaptive Support System: for Windows, for LINUX and other mainstream systems. Network Standard: EEE8021P, IEE8021Q, IEE8022, IEE802.3ac, EE8023az, IEEE802.3x, IEEE802, 3ad Weight: 37g / 1.3oz Size: 12 * 8 * 2cm / 4.7 * 3.1 * 0.8in Package List: 1 * Network Card 1 * Baffle .