2.5Gbps PCIe Network Adapter Realtek RTL8125B Chip Multi-Gigabit Ethernet CardSpecificationChipset：RTL8125BPort number：1* RJ45Standard：IEEE 802.3、IEEE 802.3u、IEEE 802.3ab、IEEE 802.3az、IEEE 802.3bzNetwork media：10Base-T,cat3 or above UTP,1000Base-Tx,cat5 or above UTPData rate：PCI Express 1x slotAuto MDIX：YESFull Duplex Support：YESLED Indicator：100M/1G/2.5G OS：Windows 10(32/64), Win7 (32/64), Win8,8.1 (32/64)，Windows Server,2012,2008，Linux，Mac OS【COMPATIBLE WITH OS】Compatible with Windows 10 / 8 / 8.1 / 7 / XP / Vista, Windows Server 2012 / 2008 R2 / 2008 / 2003, UEFI, Linux kernel up to 5.6 operating systems.
2.5Gbps PCIe Network Adapter Realtek RTL8125B Chip Multi-Gigabit Ethernet Card
Upgrade your desktop or server to next-generation network speeds with this 2.5GBase-T PCIe Network Adapter. Built around the advanced Realtek RTL8125B chipset, it delivers data transfers up to 2.5Gbps – 2.5 times faster than standard Gigabit Ethernet. Perfect for large file transfers, online gaming, 4K streaming, and handling complex tasks with reduced latency and packet loss. The card is backward compatible with existing 1000/100/10Mbps networks and works seamlessly with Cat5e cabling.
Blazing 2.5Gbps Speed – Leverages IEEE 802.3bz (2.5GBASE-T) technology for high-bandwidth applications.
Realtek RTL8125B Chip – Reliable, energy-efficient controller with full duplex support and auto-negotiation.
PCIe 2.1 Interface – Fits any PCI Express x1, x2, x4, x8, or x16 slot (not compatible with legacy PCI slots).
Advanced Features – Supports IEEE 802.3x Flow Control, 802.1Q VLAN tagging, 802.1P priority encoding, and 802.3az Energy-Efficient Ethernet.
Durable & Compact – Included standard and low-profile brackets.
Chipset: Realtek RTL8125B
Ports: 1 x RJ45
Data Rate: 2.5 Gbps / 1 Gbps / 100 Mbps / 10 Mbps
Supported Cables: 10Base-T: Cat3 or better; 1000Base-T: Cat5e or better; 2.5GBase-T: Cat5e or better
LED Indicators: Link/Act (speed dependent: 100M/1G/2.5G)
Operating Systems: Windows 10/8.1/8/7/XP/Vista (32/64-bit), Windows Server 2012/2008 R2/2008/2003, Linux (kernel up to 5.6)
