Our best-selling and fastest PCIe adapter, the SD631 is a high performance gigabit network adapter that supports advanced management and power savings functionality. Full-Duplex technology generates data rates of up to 2Gbps over a motherboard’s high-speed PCI Express Bus architecture.

Supports jumbo frames, crossover detection & auto-correction, polarity correction, adaptive equalization, cross-talk cancellation, echo cancellation, timing recovery, and error correction are implemented to provide robust transmission and reception capability at high speeds.

• Compatible with IEEE 802.3, 802.3x, 802.3u, 802.1Q


• Compliant with PCI Express Specification Revision 1.1


• Supports 10/100/1000Mbps auto-negotiation


• Supports advanced power saving mode


• Half or full-duplex flow control


• Compatible with all major operating systems.


• Supports Magic Packet™ remote wake-up method – Wake-on-LAN


• Supports ACPI, PCI power management


• Diagnostic LEDs


• Plug & play