Welcome to our store! Supports existing CAT-5 UTP with automatic crossover detection. Fully compliant with PCI-Express Base Specification Revision 1.1. Single- (x1) PCI-Express with throughput up to 2.5Gbps. Fully Plug and Play compatible. A high-performance 1000BASE-T Ethernet controller card. Compliant with PCI-E Mini Card Electromechanical specification revision 1.2. Compliant with Half size Mini card type form factor. Backward compatible with 10/100BASE-T networking. 10/100/1000Mbps data rate auto negotiation operation. Compatible with existing CAT-5 UTP. Fully compliant with IEEE 802.3, 802.3u, 802. Supports full duplex flow control (IEEE 802.3x). Supports IEEE 802.1P Layer 2 Priority Encoding. Supports IEEE 802.1Q VLAN tagging. Supports jumbo frame up to 9K bytes. Crossover Detection and Auto Correction operation. ASMedia ASM1182e chips. Due to different batches, the printed words on the product will be different, which does not affect the use. Color: As Shown Material: PCB Package Contents: 1 * Mini PCI-E Gigabit Network Card 1 * Low Profile Bracket 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 to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!