The Components With Better Materials Are , And After Repeated Optimization And Adjustment Of The Wiring, It Is Reflected In The Finished Product That The Copying Speed Is Very Fast, Reaching 283MB/S. And The Performance Is Very Stable, Support 1- 2.5/5Gps PCI Express bus, support PCI Express 2.1, support 2.5G and 1Glite mode, 10/100/1000M/2.5Gbps data rate automatic detection, Using The New 8125B Chip, Modify Of 8125A, Stable Performance, Low Power Consumption, Low Heat Generation, Support detection and automatic correction, fully comply with IEEE802.3, 802.3u and 802., support IEEE 1588v1, IEEE 1588v2, IEEE 802.1AS time synchronization, support shaping algorithm based on IEEE 802.1Qav credit, With Two-Color Led Light Display, You Can Know The Data Transmission Status At Any Time. It Is A Very Good Choice For Upgrading Nas, Diy Soft Routing And Soft Switching, Support IEEE 802.1ad double VLAN, support IEEE 802.3az (energy-efficient Ethernet), support IEEE 802.3bz (2.5GBase-T), support IEEE 802.1P layer 2 priority encoding, support 802.1QVLAN marking, Card Adopts A Heat Sink, Which Can Effectively And Continuously Reduce The Chip Temperature. The Addresses Of Network Ports Are Listed In Sequence. Using Customized Gigabit Filter, Stable Performance And Low Power Consumption, Support full-duplex flow control (IEEE.802.3x), support frames of 16K bytes, support virtual machine queue (VMQ), Support for Windows10/11, Linux And Other Systems, Support -core receiving side expansion (RSS), support protocol offloading (&NS), support ECMA-393ProxZzzy standard for sleep host Product Introduction:This Is A General- 2.5Gbps Ethernet Pci Express Card. Users Can Switch To A Standard Rj45 Network Port Through The Pcie X1, X4, X8 Or X16 Slot Of The Host Computer. It Is Mainly Aimed At Improving The User'S Speed When Gaming. Designed For The Needs. Product Name: Pcle X1 To Single-Port 2.5G Network Card Model: IO-PCE8125B- Chip: RTL8125B Interface Type: Pcle X1, RJ45 Speed: 10/100/1000/25000mbps Scope Of Application: Desktop, Server Bezel Height: Half-Height And Full-Height Configurations Led Indicator Light: Orange Light Is Always On + Green Light Is Flashing System Support: for Windows10/11, Linux And Other Systems Working Temperature: 0C~70C Storage Temperature: -55C~125C Storage Humidity: 35C/60%RH System requirements: for Windows ME, 98SE, 2000, XP, Vista, 7, 8 and 10 32-/64-bit; Windows Server 2003, 2008, 2012 and 2016 32-/64-bit; Linux, OS and size: 65.3 x 44.5mm Material: PCB colour: white+black Package Contents: 1 x Network Card 1 x Short Iron Piece 1 x English Manual Only 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.