Allied Telesis' AT-2931SX/SC 64-bit Gigabit Fiber Adapter Card with 9KB Jumbo frames support for network upgrade needs. It helps to boost your Fast Ethernet server throughput ten times to 1000Mbps. With the 1000Base-SX fiber-optic connection, data transmission is both secure and faster. In order to reduce CPU use, it uses the adaptive interrupts and ultra-deep 96-KB packet buffer. Coupled with link aggregation and load balancing, it achieves the best performance of its class for server connectivity.