Synology E25G21-F2 25 Gbps Ethernet Adapter w/ 2 SFP28 Port

Specifications

• Mfr Part Number: E25G21-F2
• 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
• Network 
  • IEEE Specification Compliance
    – IEEE 802.3ad Link Aggregation
    – IEEE 802.3ae 10Gbps Ethernet
    – IEEE 802.3by 25Gbps Ethernet
  • Data Transfer Rates: 25 Gbps
  • Supported Features
    – TCP Segmentation Offload (TSO)
    – Large Send Offload (LSO)
    – Receive Side Scaling (RSS)
    – Generic Receive Offload (GRO)
    – Generic Segmentation Offload (GSO)
    – 1.5 – 9 KB Jumbo Frame
    – Offloaded storage over Ethernet
    – Non-offloaded storage over Ethernet
    – Auto-negotiation between 10Gb/s and 25Gb/s
    – TCP/UDP Checksum Offload
    – Transmit side scaling (TSS)
• Compatibility
  • Applied Models
    – FS series:FS6400, FS3600, FS3400, FS3017, FS2017, FS1018
    – SA series:SA3600, SA3400, SA3200D
    – UC series:UC3200
    – 21 series:RS4021xs+, RS3621xs+, RS3621RPxs, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+
    – 19 series:RS1619xs+
    – 18 series:RS3618xs, DS3018xs
    – 17 series:RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, DS3617xs
  • Notes: DSM version requirement: 6.2.3-25426 or later version