Features: 1.Suitable for a variety of places. 2.Suitable for offices, Internet cafes, surveillance, data servers, etc. 3.Broadcom 5709 main control chip. 4.Gold-plated PCI-E gold finger. 5.Support systems for Windows7, 8 10 LINUX, etc. specification:The LREC9712PT is a PCI Express x4 Gigabit dual port rj45 server adapter. It provides a complete solution for integration to Layer 5, as well as a full Gigabit Ethernet port/s. The LREC9712PT is a high-performance Network Lan Card based on the Broadcom 5709C controller. It supports a single-toe Gigabit Ethernet network card with TCP/IP offload engine, RDMA network card (RNIC)*, iSCSI 1.0* /iSER HBA*. 1. Suitable for a variety of places. 2. Suitable for offices, Internet cafes, surveillance, data servers, etc. 3. Broadcom 5709 main control chip. 4. Gold-plated PCI-E gold finger. 5. Support systems for Windows7, 8 10 LINUX, etc. s: Virtual LAN: 802.1q VLAN tag Jumbo frame: 9KB Flow Control: 802 High performance: automatic 10M / 100M / 1000M speed Controller: iSCSI Controller: (RNIC) RDMA Unload engine: TCP Link aggregation and load balancing support system: For Windows XP / 7 / 8.1 / 10 / Server 2003 / For Windows Server 2008 / 2008 R2 / Server 2012 / 2012 R2 For DOS / Novell / Linux / VMware ESX / ESXi 4.1 /5.0 / 5.1 / 5.5 Independent of Unix / OpenUnix 8 / Sun Solaris x86 / OS Model: LREC9712PT Chip: Broadcom 5709 c Port: Dual RJ45 port Transmission speed: 1000 mbps Interface: PCI-E V1.1 X4, compatible with x8, x16 Storage temperature: -20 C - 65 C (-4 F - 149 F) Operating temperature: 0 C - 50 C (32 F - 122 F) Size: Approx. 170*120*20MM/6.69*4.72*0.79in Package List: 1 * Network Card Note: 1. This product is the original disassemble, there are a few traces, please do not mind 2. By default only full height baffle