Allied Telesis AT-2911SXA/LC-901 network card

PCI Express x1 Gigabit adapter

The Allied Telesis AT-2911SXA/LC-901 is a PCI Express x1 network card with a single 1000Base-SX fibre port. It targets administrators adding managed Gigabit connectivity to servers or workstations that have an open x1 slot. The low-profile bracket is included for compact chassis and a standard-height bracket is also supplied for full-size enclosures.

Upgrade from legacy PCI or 100 Mb fibre

This card replaces older PCI-based Gigabit or Fast Ethernet fibre adapters that cannot saturate a modern bus. The jump is worth it when the host system has a free PCIe x1 lane and the network backbone already runs 1000Base-SX multimode fibre. It also suits migrations where TAA compliance becomes a procurement requirement.

Sustained line-rate throughput

Under continuous load the adapter maintains full-duplex Gigabit speeds without throttling, thanks to the efficient PCIe x1 interface and low-power design. The on-board diagnostics utility allows administrators to monitor link health and queue behaviour during prolonged transfers. Priority queuing keeps latency predictable when multiple traffic classes share the same uplink.