1. FAST TRANSFER: Gigabit ethernet server adapter supports PCI Express 2.0 (5GTs) specification for servers and PCs.
2. STABLE CONNECTION: Server network card supports switching, polarity and skew correction,detection and auto correction to ensure stable connection.
3. LOW POWER CONSUMPTION: 4 port gigabit server network card supports power off, power down, PHY disable mode, energy saving and environmental protection.
4. MULTI SYSTEM COMPATIBILITY: Ethernet server adapter is suitable for Windows, for , for OS X and other operating systems.
5. HIGH SPEED NETWORK: Quad port pcie gigabit ethernet server adapter supports full duplex/half duplex adaptive.

Spec:
Item Type: 4 Port Gigabit Ethernet PCIe X1 Network Interface Card
Material: PCB
Product Model: NA8111 T4
Chip Model: RTL8111
Cable Interface Type: 4xRJ45 Interface
Transmission Rate: 1 Gigabit
IEEE Network Standard/Network Technology: 1000BASE T
Applicable Network Type: Gigabit Ethernet
Full Duplex Half Duplex: Full Duplex/Half Duplex Adaptive
Supported Operating Systems:
forME,98SE, 2000, XP, for WIN7, for WIN8, for WIN10 32 64 bit
forServer 2003, 2008 and 2012 32 64 bit
for , for AYOS, for OS X, for FREEBSD, for DOS, for ROS

How to Use:
plug and play

packing list:
1 x Network Card
1 x Short Baffle