E25G21-F2 Hardware Specifications General Host Bus Interface PCIe 3.0 x8 Bracket Height Low Profile and Full Height Size (Height x Width x Depth) 69 mm x 168 mm x 17.3 mm Operating Temperature 0°C to 40°C (32°F to 104°F) Storage Temperature -20°C to 60°C (-5°F to 140°F) Relative Humidity 5% to 95% RH Warranty 5 Years Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) Network IEEE Specification Compliance IEEE 802.3ad Link Aggregation IEEE 802.3ae 10Gbps Ethernet IEEE 802.3by 25Gbps Ethernet Data Transfer Rates 25 Gbps/10 Gbps Supported Features TCP Segmentation Offload (TSO) Receive Side Scaling (RSS) Generic Segmentation Offload (GSO) 1.5 - 9 KB Jumbo Frame TCP/UDP Checksum Offload Transmit side scaling (TSS) SR-IOV Large receive offload (LRO) Notes As mixed link speeds are not supported, both network ports must be configured with the same link speed. Compatibility Applied Models FS series:FS6400, FS3600, FS3410, FS3400 HD series:HD6500 SA series:SA6400, SA3610, SA3600, SA3410, SA3400D, SA3400, SA3200D UC series:UC3400, UC3200 22 series:DS3622xs+ 21 series:RS4021xs+, RS3621xs+, RS3621RPxs, DS1621xs+ 19 series:RS1619xs+ 18 series:RS3618xs 17 series:DS3617xsII, DS3617xs Notes DSM version requirement: 7.1.1-42962 Update 5 or later version