Free Express Shipping! Synology E25G30-F2 2-Port 25G SFP28 to PCIe 3.0 Adapter Card For Select Synology Devices, 2 x 25G SFP28 Slots, PCIe 3.0 x8 Interface, Supports SR and LR Transceivers, CPU Offloading Technology, Backward Compatible with 10G SFP+