Адаптер позволяет подключить 3 порта USB 3.0 плюс 1 порт LAN. Очень удобно если Ваш ноутбук имеет мало портов USB и не имеет LAN. К данному адаптеру можно подключить дополнительное питание. 

Description
HiRO H50225 USB 3.0 to Gigabit Fast Ethernet 10/100/1000 LAN Adaptor with 3 port USB 3.0 Hubs is a high performance and hybrid device offering 3 extra USB 3.0 ports to connect other USB peripherals and a simple plug-and-play Gigabit Ethernet network adaptor for desktops, notebook PC, Ultrabook, docking station, game consoles, digital-home appliances, and any embedded system using a standard USB port.
The HiRO H50225 USB 3.0 to Gigabit Fast Ethernet 10/100/1000 LAN Adapter with 3 port USB 3.0 Hubs offers a wide array of features including IPv4/IPv6 checksum offload engine, crossover detection and auto-correction, TCP large send offload and IEEE802.3az EEE (Energy Efficient Ethernet) that allows to enter a low power idle state to reduce power and to achieve a more energy efficient Ethernet. It supports dynamic cable length detection and dynamic power adjustment Green Ethernet in Gigabit mode.

Features and Benefits:
‧ Extra 3 USB 3.0 ports to connect other USB 2.0/3.0 peripherals
‧ Compliant with USB 3.0 , USB 2.0 specifications
‧ Supports all USB 3.0 power saving modes (U0, U1, U2, and U3)
‧ Supports IEEE 802.3az (Energy Efficient Ethernet)
‧ IEEE 802.3, 802.3u and 802.3ab compatible
‧ Supports dynamic cable length detection and dynamic power adjustment Green Ethernet (Gigabit mode only)
‧ Supports IPv4/IPv6 packet Checksum Offload Engine (COE) to reduce CPU loading, including IPv4 IP/TCP/UDP/ICMP/IGMP & IPv6 TCP/UDP/ICMPv6 checksum check & generation
‧ Supports full duplex operation with IEEE 802.3x flow control and half duplex operation with back-pressure flow control
‧ Supports Jumbo frame

Specification:
Model: H50225

Host Interface: USB 3.0 (and USB 2.0 compliant)

Operating System Support
‧ Windows XP, Windows 7, Windows 8
‧ Mac OS10.6 and later.

Ports and Connectors
‧ Upstream: 1 x Upstream USB 3.0 Port (Type A male Connector)
‧ Downstream: 3 x Downstream USB 3.0 Port (Type A female Connector)
‧ Ethernet: 1 x Ethernet Port (RJ-45 connector)

LED
Power LED (Green)
‧ On: When the adaptor is powered
Link LED (Amber)
‧ On: When connection to a 1000Mbps network
‧ Off: When connection to a 10/100Mbps network
Status LED (Green)
‧ On/Blinking: LAN activity.
‧ Off: No network traffic

Power
Power Mode
‧ USB Bus -powered
Power Consumption
‧ Operating Mode: 488 mA
‧ Suspend Mode : 70 mA

Physical Specifications
Housing Material
‧ ABS (Plastic)

Dimensions
‧ Main body without cable: 69 mm(W) x 44 mm(D) x 20 mm(H)
‧ Main body with cable: 79 mm (W) x 44 mm(D) x 20 mm(H)

Weight
‧ Approximately 68 g (including cable)

Environmental Specifications
Operating Temperature
‧ 10-40°C
Storage Temperature
‧ -10~80°C

Package Contents
‧ USB 3.0 Hub with Gigabit Ethernet Adapter x1
‧ Driver CD with User’s Manual x1
‧ Quick Installation Guide x1