Apple part number 661-5057 is a dual-channel Gigabit Ethernet PCI-Express adapter card designed for Apple Xserve rack-mount servers. The card provides two independent 1GbE ports via PCI-Express connectivity, supporting standard Ethernet protocols for network communication at up to 1 Gbps per port. Compatible with Xserve G5 and Intel-based Xserve models, this card enables redundant network connectivity or load-balanced traffic distribution in clustered or high-availability server deployments. Typical applications include virtualization hosts, render farms, and data center environments requiring reliable dual-path networking. This refurbished unit has been tested and is guaranteed fully functional, available via quote.
