D-Link DFL-1660, 1.2 Gbit/s, 1 Gbit/s, 0.35 Gbit/s, 400 Mbit/s, 400 h, IEEE 802.1Q D-Link DFL-1660. Firewall throughput: 1.2 Gbit/s, Maximum data transfer rate: 1 Gbit/s, VPN throughput: 0.35 Gbit/s. Mean time between failures (MTBF): 400 h. Networking standards: IEEE 802.1Q. Connectivity technology: Wired. Dimensions (WxDxH): 17.3 x 15.7 x 1.73" (440 x 400 x 44 mm)