Description Features: 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 signaling (XNP) Compatible with NBASE-T™ PHY specification. Supports PCI 2.1 Supports pair swap/polarity/skew correction Crossover detection Automatic correction. Supports 1-2.5/5Gbps PCI bus Color: Black Material: Plastic+Metal Supports hardware ECC (Error Correction Code) Supports hardware CRC (Cyclic Redundancy Check) On-chip transmit/receive buffer support Supports PCI (Message Signaled Interrupt) and PCI-X Supports down/link down saving/PHY disable mode Supports ECMA-393 ProxZzzy standard for host sleep states Supports LTR (Latency Tolerance Reporting) Wake-On-LAN and RealWoW Technology (remote wake-up) supports 32-set 128-byte Wake-Up Frame pattern exact matching Supports WPI (Wake Packet Indication) Supports PCIe L1 substate L1.1 and L1.2 Compatible with IEEE 802.3, IEEE 802.3u, IEEE 802. Supports IEEE 1588v1, IEEE 1588v2, IEEE 802.1AS time synchronization Supports IEEE 802.1Qav credit-based shaper algorithm Supports IEEE 802.1P Layer 2 Priority Encoding Supports IEEE 802.1Q VLAN tagging Supports IEEE 802.1ad Double VLAN Supports IEEE 802.3az (Energy Efficient Ethernet) Supports IEEE 802.3bz (2.5GBase-T) Supports Full Duplex flow control (IEEE 802.3x) Supports jumbo frames up to 16K bytes System Requirements Windows OS Linux, macOS, and DOS PCI-enabled system with an available PCI slot Package Contents: 1 x PCI to 10/100/1000M/2.5G Ethernet Card 1 x Low Profile Only the above package contents, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real one. The allowed measurement error is +/- 1-3 cm.