Synology 10Gb Ethernet Adapter 2 SFP+ Ports (E10G21-F2)

Synology Dual-port 10 Gigabit SFP+ PCIe 3.0 x8 Ethernet adapter(E10G21-F2

-Two 10GbE ports support high-performance storage applications
-Supports Optical SR, Optical LR, and DAC modules to optimize connectivity for distance or TCO
-Built and designed for maximum performance and reliability in Synology servers