Sorry, that product is no longer available. But here are other great products for you to choose from.
Cisco Small Business RV042 - Router - 4-port switch - WAN ports: 2
With 3 USB 3.0 ports, this Belkin B2B128TT hub allows you to connect multiple USB 3.0-enabled peripherals to your compatible Windows or Mac laptop. A Gigabit Ethernet adapter with RJ-45 connector provides up to 1 Gbps Internet access.
Add four RS232 serial ports to any notebook or desktop computer using a single USB port
The TP-Link 5-port 10/100/1000 Mbps desktop switch provides you an easy way to make the transition to Gigabit Ethernet. Increase the speed of your network server and backbone connections, or make gigabit to the desktop a reality.
The D-Link DGS-2205 10/100/1000 Mbps Gigabit switch features a non-blocking switching architecture that filters and forwards packets at full wire-speed for maximum throughput. An 8,000 MAC address table provides scalability for even the largest networks.
ASUS RT-N12 D1 - Wireless router - 4-port switch - 802.11b/g/n - 2.4 GHz
Add four USB 3.0 ports to your laptop or Ultrabook using this slim, portable hub with an extended-length cable
Add a Gigabit Ethernet port to your MacBook, Chromebook or laptop with USB Type-C
Add Gigabit Ethernet network connectivity to a Laptop or Desktop through a USB 3.0 port.
HPE - SFP+ transceiver module - 10 GigE - 10GBase-SR - LC/UPC multi-mode - up to 984 ft - 850 nm - for Aruba 2930F 24, 2930F 48, 5406; HPE 6120, 6600; ProLiant DL360p Gen8
HP - SFP (mini-GBIC) transceiver module - 1000Base-SX - LC multi-mode - up to 1800 ft - for HP 1700, 1810, 1910, 2530, 2610, 2810, 2910, 3500, 5406, 6200, 6600, V1400
IOGEAR MicroHub GUH274 - Hub - 4 x USB 2.0 - desktop
Add 7 external, USB 3.0 ports to a computer from a single USB connection
A 4-port RS-232 serial hub with DB9 connectors and USB interface.
NETGEAR S3300-52X-PoE+ - Switch - smart - 48 x 10/100/1000 (PoE+) + 2 x 10Gb Ethernet + 2 x 10Gb Ethernet SFP+ - rack-mountable - PoE+ (390 W) - AC 100/230 V
Sabrent HB-UMP3 - Hub - 4 x SuperSpeed USB 3.0 - desktop
48-port 10/100/1000 switch with 1 open uplink module slot and 1 open backplane stacking module slot, Dual ARM Coretex A9 @ 1 GHz, 2 GB DDR3 SDRAM, up to 190.5 Mpps Throughput, 320 Gbps Routing/switching capacity
HPE - SFP+ transceiver module - 10 GigE - 10GBase-LR - LC/UPC single-mode - up to 6.2 miles - 1310 nm - for Aruba 2930F 24, 2930F 48, 5406; HP SFP+ zl Module Rack Shippable; HPE 6120, 6600, SFP+ zl
StarTech.com StarTech.com Mountable 4 Port Rugged Industrial USB Hub
NETGEAR GS108v4 - Switch - unmanaged - 8 x 10/100/1000 - desktop, wall-mountable
StarTech.com 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention - USB to RS232 Serial Port Adapter
NETGEAR S3300-52X - Switch - smart - 48 x 10/100/1000 + 2 x 10Gb Ethernet + 2 x 10Gb Ethernet SFP+ - rack-mountable - AC 100/230 V
Tripp Lite U360-004-MINI is a compact, 4-Port USB 3.0 SuperSpeed hub, with built-in cable, that provides up to 5Gbps transfer rates in a compact, portable format ( Computer and devices must be both USB3.0 rated to achieve maximum 5Gbps speeds ).
Add up to 10 GbE devices to your network, using 8 RJ45 and 2 fiber-optic connections, with intelligent Layer 2 management support.