Dual-Port 10GbE SFP+ port PCI Express 3.0 adapter PCIe 3.0 x 8 / IEEE 802.3ae 10Gbps Ethernet, IEEE 802.3ad Link Aggregation, PCIe 3.0 and 2.0 compatible *DSM version requirement: 6.0.2 or later version Support: TCP/UDP Checksum Offload, Large Send Offload, Generic Receive Offload, Generic Segmentation Offload, TCP Segmentation Offload, Receive Side Scaling, Transmit Side Scaling FS series： FS6400, FS3600, FS3400, FS3017, FS2017, FS1018 SA series： SA3600, SA3400, SA3200D UC series： UC3200 22 series：DS3622xs+, DS2422+ 21 series： RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+ 20 series： RS820RP+, RS820+ 19 series： RS1619xs+, DS2419+II, DS2419+, DS1819+ 18 series： RS3618xs, RS2818RP+, RS2418RP+, RS2418+, DS3018xs, DS1618+ 17 series： RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, DS3617xs