Fangrui Product Details Support 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 Compatible With Pci-e Mini Card Electromechanical Specification Revision 1.2 Compatible With Half Size Mini Card Type Form Factor Backwards Compatible To 10/100base-t Networking 10/100/1000mbps Data Rate Auto Negotiation Operatio Compatible To 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 To 9k Bytes Crossover Detection And Auto Correction Operation Asmedia Asm1182e Chips Due To Different Batches, The Printed Words On The Product Be Different, Which Does Not Affect Use. Colour:as Shown Material:pcb Package Contents: 1 * Mini Pci-e Gigabit Network Card 1 * Low Profile Brack