QSFPTEK 2.5GBase-T PCIe Network Adapter, RTL8125B, 2*RJ45 PCI-E Based Ethernet Network Interface Card, 2.5GBase-T Gigabit NIC with Standard and Low-Profile Brackets Included

Port: 2*Auto-Adapt RJ45 Port10M/100M/1000M/2.5G Compatible with PCI Express 1.0 to 4.0 (support x1/x4/x8/x16) Communication Protocol Standard Compatible IEEE 802.3,IEEE 802.3u, IEEE 802.3ab Support IEEE 1588? IEEE 1588-2008 and IEEE 802.1AS Supports full-duplex half-duplex adaptive? IEEE 802.3x? Support IEEE 802.3bz ? 2.5GBase-T? Support IEEE 802.3az Support IEEE 802.1Q VLAN Support IEEE 802.1and two VLAN Support OS Part of win10/win11 is free of drive, win7/win8 needs to install the driver manually Windows Server 2012 and above need to install the driver Linux system needs to install the driver Dimensions Size 78*66*120mm Weight 0.13KG Operating Environment operating temperature 0- 65 storage temperature -40-80