Check the listing for details. Vantec USB 3.0 To 2.5G Ethernet Adapter With USB HUB A Port. Condition: New. Listed at 39.99 USD. Vantec VLink USB 3.0 To 2.5G Ethernet Adapter With USB HUB A Port Support 10M/100M/1000M/2500Mbps(2.5G) Ethernet The VLink USB 3.0 To 2.5G Ethernet Adapter with USB HUB A port enables you to add a 2.5 Gigabit Ethernet port using an existing USB Type-A input on your computer or desktop and provides an RJ-45 connector that supports 10/100/1000/2500Mbps Ethernet performance when wireless connectivity is unreliable or inconsistent. When we design this adapter and know this adapter is going to take up one of your precious USB ports, we make sure this adapter comes with an additional USB Type-A port to use with other devices so that you do not lose a port. You can also connect to a USB-C port using an A to C converter (optional). Perfect for laptops with common USB Type-A ports such as the latest Windows 10, OS X, and Linux 3.x or Later. Chipset Capability: Support 10M/100M/1000M/2500Mbps (2.5G) Ethernet Support Full Duplex with IEEE 802.3x Flow Control & Half Duplex with back-pressure flow control Compatible with NBASE-T Alliance PHY, IEEE 802.3bz (2.5GBASE-T) Support Up to 16KB Jumbo Frames (Windows OS); Auto-Negotiation Wake-On-LAN Technology Supports 2.5G Lite (1G data rate) mode Supports pair swap/polarity/skew correction Crossover Detection & Auto-Correction Supports CDC-ECM and CDC-NCM Supports LPM, U1/U2/U3 at USB 3 Compatible with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab Supports IEEE 802.1P Layer 2 Priority Encoding Supports IEEE 802.1Q VLAN tagging Supports IEEE 802.3az (Energy Efficient Ethernet) Microsoft NDIS5, NDIS6 Checksum Offload (IPv4, IPv6, TCP, UDP) Supports Protocol Offload (ARP & NS) Microsoft AOAC (Always On Always Connected)/Modern Standby Supports 32-set 128-byte Wake-Up Frame pattern exact matching Supports link change wake up Supports Microsoft WPD (Wake Packet Detection) Specifications: Model: CB-U325GNA USB Connector: USB Type A Gigabit network port: RJ45 Ethernet (10M/100M/1000M/2.5G bps) USB Hub: One USB Type-A port Chipset Solution: GL3510 (hub) + RTL8156B (2.5G Ethernet) Power: USB Bus Powered Material: Plastic/Aluminum Dimension: 3.43 x 1.18 x 0.60 in /87.1 x 29.9 x 15.3 mm Weight: 1.27 oz /36.05 g Environmental Operating Temperature: 0 ℃ to +50℃ Operating Humidity: 10% to 85 % RH (no condensation) Storage Temperature: -10℃ to +70℃ Storage Humidity: 5% to 90% RH (no condensation) System Requirements: Microsoft Windows 11, 10, 8, 7, or Mac OS X 10.10 or later, or Linux 3.x or later Computer with available USB Type-A port What's included: VLink USB 3.0 To 2.5G Ethernet Adapter with USB HUB A port; Quick Install Guide