Features: Brand new and high quality Chip: RTL 8125GB Integrated 10M BASE-T and 100/1000M/2.5G BASE-T 802.3 compliant transceiver Supports 2.5G Lite (1G data rate) mode Auto-negotiation with extended next page (XNP) capabilities Compatible with NBASE-TTM Alliance PHY specification Supports PCI Express 2.1 Supports pair swap/polarity/skew correction Crossover detection and auto-correction. Supports 1-Lane 2.5/5Gbps PCI Express Bus. Supports WiFi reception, AP hotspot transmission. Supports hardware ECC (Error Correction Code) function. Supports hardware CRC (Cyclic Redundancy Check) function. Transmit/receive on-chip buffer support. Supports PCI MSI (Message Signaled Interrupt) and MSI-X. Supports power saving/link down power saving/PHY shutdown mode. Supports ECMA-393 ProxZzzy Standard for sleeping hosts. Supports LTR (Latency Tolerance Reporting). Wake-On-LAN and 'RealWoW!' Technology support (remote wake-up). Supports 32-set 128-byte Wake-Up Frame pattern exact matching. Supports Microsoft WPI (Wake Packet Indication). Supports PCIe L1 substates L1.1 and L1.2. Supports jumbo frame to 16K bytes. Supports Full Duplex flow control (IEEE 802.3x). Specifications: Model: SU-LE8105 Main control: RTL8125BG, intel1225V (optional) Bus interface: PCI-E X1 (compatible with X1/X4/X8/16) Extension interface: RJ45 Interface speed: 2.5 Gbps Transmission rate: 100/1000/2500 Mbps Compatible system: Windows/Linux/ESXi/ROS Note: Due to lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to manual measurement. Package includes: 1 x Gigabit network card 1 x Low-profile bracket