High performance, reliability, and low power usage on 8111G dual-chip integrated + Phy and Serdes controllers. Ultra deep, packet-per-channel buffering reduces CPU utilization. Hardware acceleration that can discharge tasks from the host processor. The controllers can offload / UDP / IP checksum calculations and segmentation. Resource Management: IPMI pass-through via SMBus or NC-SI, , PXE remote boot, ISCSI boot, VLAN filtering. Supports System: for DOS, , Linux, FREEBSD, for NWSERVER, etc. size:120 x 78 x 66mm Material: PCB colour:Green Package Contents: 2 x NIC 2 x short iron 2 x disc 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.