Synology E10G21-F2 Dual Port 10 Gigabit SFP+ PCIe Ethernet Adapter Card - Data Transfer Rate: 10Gbps - PCIe Interface: PCIe 3.0 x8 (x4 link) - Connections: SFP+ - Jumbo Frame: 1.5 ~ 9KB - IEEE Specification: 802.3ad Link Aggregation, 802.3ae 10Gbps Ethernet - Network Operation Mode: Full Duplex - Bracket Height: Low Profile, Full Height - Optical SR, Optical LR, DAC Support - 5 Years Limited Warranty

Manufacturer Warranty: 5 Years Limited Warranty

Manufacturer Contact Info: http://www.synology.com, n/a

The E10G21-F2 adapter gives you more connectivity options with support for SR and LR transceivers and DAC options. Dual 10GbE ports help alleviate network bandwidth limitations and support Link Aggregation (network bonding) for increased resiliency in the face of network disruptions. CPU offloading technologies reduce network transfer overhead on the host system's processor to boost system performance.