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