Ethernet RJ-45
PS/2 x 2
PS/2 x 1
Serial RS-232 x 1
Serial RS-232 x 2
Printer Port (IEEE 1284)

USB Hub
USB Switch
Firewire Hub
USB/Firewire Hub

Up to 2 Ports
3 - 4 Ports
5 - 8 Ports
More than 8

LED Power Indicator
LED Data Indicator
Stackable

Desktop
Mini
Bay
Thumb

USB 2.0
USB 1.1
Firewire 400
Firewire 800

Up to 800 Mbps
Up to 480 Mbps
Up to 400 Mbps
Up to 12 Mbps

Self Powered (Power Adapter)
BUS Powered

Belkin
Digi
Targus
CTG
IOGear
StarTech.com
SIIG
ACCO Brands
Eforcity
Micro Innovations
Saitek
Hewlett Packard
CP International
Compucessory
Offspring Technologies
Ziotek
Speed
Toshiba
Innovera
APC
Zonet
i-rocks
Cables Unlimited
D-link
CyberPower
Trendware
Aluratek
Sabrent
General Electric
Ultra Max
Tripp Lite
American Audio
A4tech
LinxCel
Philips
Aten
Gefen
Linksys
LaCie
Digital Foci
Verbatim
QPS
OEM Systems
Gear Head
Vantec
Athenatech
Levelone
Dynex
Jasco
Velleman
Manhattan
Jo-Dan International
NexxTech
Intermatic
DekCell
Sakar
Logitech
Rolodex
VisionTek
QVS
GWC
Sonnet
Hawking
Sitoa
Samsung
Addlogix
CTA Digital
BoxWave Corporation
Cable Showcase
Swann Communications
Digipower
Nyko
Bafo Technologies
Macally
Northstar
Dr. Bott
MCM
Tucano
Haier
Fuji
Mitaki
D and H Distributing
Oregon Scientific
Thermaltake
Generic Memory
Keyspan
Battery Technology
Silver Jeans
Trust
BUSlink
GoldX
Lenmar
Adorama
Unibrain
Power Up
Vidpro
Synchronized Technologies
Cnet
Cybernet Systems
iKruz