Thickened gold finger contact is more reliable, reduce hardware contact failure, resulting in sudden drop and other problems The powerful chip adopts RTL8125 original chip to make the speed faster and more stable.Equipped with a standard RJ45 network port, the data transmission rate is up to 10/100/1000M/2.5Gbps.Gigabit network speed, the delay and not slow game/officeFast transmission/stable transmission/heat dissipation.Product name: 2.5G PCIE network cardApplicable network type: Fast EthernetBus type: PCI-ETransmission rate: 10/100/1000M/2.5Gbps data rate automatic detectionFull duplex/half duplex: full duplex/half duplex adaptiveNetwork connection type: RJ45Applicable models: desktop main chip: Realtek RTL8125Network Standards: IEEE 802. 1p, IEEE 802. 1Q, IEEE 802. 2, IEEE 802. 3ac, IEEE 802. 3az, IEEE 802.3x, IEEE 802. 3z, IEEE 802. 3adDriver Support: Windows ME, 98SE, 2000, XP, Vista, 7, 81032-/64-bit; Windows Server 2003, 2008, 2012 and 2016 32-/64-bit; Linux, OSNDOS.size: 70 x 55MMMaterial: PCBcolour: blackPackage Contents:1 x 2.5G PCIE network cardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.