Intel X550-AT2 Based Ethernet Network Interface Card, 10GBase-T Dual-Port, PCIe 3.0 x 4, Comparable to Intel X550-T2, Full Height&Low Profile product-series_quick-mechanical-connectors so the total E1 capacity

so the total E1 capacity can reach 16 E1 lines aggregated over same fiber circuit

Model 065-79LX6WDMA1550: 1310 nm uncooled FP Laser Diode transmitter

Switching Configuration 1 x 2

Supports singlemode and multimode fibers

Internal Viton®* Fluoroelastomer O-Ring Included

Intel X550-AT2 Based Ethernet Network Interface Card, 10GBase-T Dual-Port, PCIe 3.0 x 4, Comparable to Intel X550-T2, Full Height&Low Profile product-series_quick-mechanical-connectors so the total E1 capacityIntel X550 AT2 Based Ethernet Network Interface Card, 10GBase T Dual Port, PCIe 3. 0 x 4, Comparable to Intel X550 T2, Full Height&Low Profile This dual port 10Gb network interface card (NIC) is optimized on Intel X550 AT2 controller for server connectivity and network virtualization. By supporting a PCIe 3. 0 x4 host interface, this adapter provides sufficient bandwidth for line rate traffic on dual 10Gb ports. Improved support for virtualization,