The 25 GbE optical I/O module supports SFPs running at 25 GbE or 10 GbE speeds. Each QSFP28 transceiver is a quad-lane small form-factor pluggable that multiplexes the. The I/O module can also auto-negotiate to 1Gbps and 100Mbps speeds as needed. The ports on an individual Ethernet I/O module, and the on-board Ethernet ports or Mezz card Ethernet ports support link aggregation, fail safe networking (FSN), and VLAN tagging. com/l/dell-powerstore-introduction-to-the-platform-1/i-o-module-44/ However in the same article if we get 25 GBE optical 4 port then we are at 25 GBps apparently right now. This article provides background information and optical characteristics on TippingPoint I/O 40Gb bypass modules utilized in the Threat Prevention System (TPS) TX/TXE Series (5500TX, 8200TX, 8400TX, 8600TXE, 9200TXE) family of devices. An SFP interface on networking hardware is a modular slot for a media-specific transceiver, such as for a fiber-optic cable or a copper. The Cisco ® OSFP 800G transceiver modules provide 800 Gigabit Ethernet (GE), 2x 400GE, 4x 200GE, and 8x 100GE connectivity options, complying with the Octal Small Form Factor Pluggable (OSFP) MSA for pluggable transceivers.