Quad Port 10/100/1000BASE-T Ethernet Server Adapter x4 PCI Express v2.1 at 5 GT/s or 2.5 GT/s Hardware-assisted implementation of IEEE 1588 and IEEE 802.1AS time synchronization and -X functions - up to 17 -X vectors. I/O virtualization support for NetQueue and VMQ The BCM5719 Ethernet server adapter supports the following, 17 receive queues and 16 transmit queues per port, 17 -X vectors supporting interrupts per queue to host, Function Level Reset (), ECC error detection and correction on internal , Quad RJ-45 connector with integrated link and activity LEDs. RSS for multi-core client processors. , UDP and IP checksum offload Large send offload, segmentation offload ACPI-compliant Wake-on-LAN () support Statistics for SNMP MIB II and Ethernet class MIBs Comprehensive diagnostic and configuration software suite Supports jumbo frames up to 9.6 KB packet size RoHS Compliant (Pb-Free) : Server 2016/ 2012 R2/ 2012/ 2008 R2/ 2008/ 2003 R2/ 2003, XP Professional, 10/ 8/ 8.1/ 7/ Vista, Linux Stable version 3.x, 2.6,x, Enterprise, Linux 5, 6, SUSE Linux Enterprise Server 10, 11, FreeBSD 9, ESX/ESXi Applicable network: Gigabit Ethernet Main chipset: Broadcom BCM5719 Bus type: PCI Express X4 v2.1 Transmission medium: 4 x RJ45 copper interface Network Capabilities: Quad-port 10/100/1000BASE-T with integrated PHY with Gigabit Media Dependent Interface () differential signaling to four-port RJ-45 connectors. The BCM5719-4P also controls the power switch circuit Operating temperature: 0C to 55C Airflow Requirements: () 0 Storage temperature: -40C to +65C Ambient Humidity: Storage and operating humidity 5% to 95% non-condensing LED Indicators: Yellow = 10/100 Mb/s, Green = 1000 Mb/s, Green = Flashing when there is activity on Colour:green Material:PCB Package Contents: 4x Network Card 4x CD 4x Short Iron Piece Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.