(3) PXG4FI Quad Port Fiber Gigabit PCI-X Server Adapters Intel® based

Silicom Gigabit Ethernet Server adapters

- 64-bit/133Mhz PCI-X network interface cards

-four independent Gigabit ports on each PCI-X adapter.

Has integrated hardware acceleration that performs TCP/UDP/IP checksum offload and TCP segmentation.

The host processing offloads accelerators frees CPU for application processing.

Advanced Network Software Features

-increased fault tolerance,

-bidirectional load balancing

-port aggregation

-Jumbo Frame support

-VLAN and server management Software for increased bandwidth, scalability, reliability and network availability

These are NEW in box. Guaranteed to work.
There are 3 (three) of these cards sold in this lot for $300 total.