To connect an external hard drive, wire keyboard, Logitech mouse receiver and laptop cooler usb power, I bought this. Pros, Design is very solid and simple Additional power source(adapter) provides putting more than 4 usb-based devices. Reduce power loads on my laptop. Led light indicates what ports are used as a data source or not (e.g., led light of the port for a laptop cooler is not turned on.) Data transfer speed is very close to the original speed when i put the USB to my macbook.

Cons Power adapter is little big than what i thought. Excellent choice for USB Hub. Like the compact size, and there's on/off button next to each USB so one has the option to turn on only the USB slots one is using; plus each USB slot lights up when powered on so one can see at a glance if Hub slot is on. Has a nice blue glow to each powered USB slot when powered on. If blue lighting is a problem for your situation then this unit is not for you as if light is out the USB will not have power.

The electrical cord is good length and not a stingy shorty type. Has a double sided suction cup pad, in double rows that one can apply a bit of moisture to mini suction cups to anchor unit to your desk surface to maintain it's assigned spot.

I would like to get a network external HD and connect that as well. Don't bother. The AirPort Express can't use USB hard drives. If you mean an 802.11n AirPort Extreme or Time Capsule, use an USB hub with its own power supply. Find great deals on eBay for Apple USB Hub in Networking USB Cables. Aluminum Apple 4 Ports USB 3.0 Hub Adapter for Mac iMac MacBook Laptop PC.

I have mine on it's side so the USB cords plugged. Word for mac insert command. The AH430 aluminum hub works very well with my 2012 iMac running OS X 10.9.3 Mavericks. When both USB 2 & USB 3 devices are plugged into the hub, it will appear in the System Information app as two hubs, one on a 'USB 3.0 SuperSpeed Bus' with the USB 3 items attached to it, & the other on a 'USB Hi-Speed Bus' with the USB 2 items attached to that.

Blackmagic Disk Speed Test shows that it can deliver USB 3 speeds to USB 3 devices even when both USB 2 & 3 ones are plugged into it. I saw no difference in transfer speeds between plugging a fast USB 3 hard drive into the hub & directly into one of the iMac's ports.

Since the hub does not have a separate power supply, it is limited to supplying a maximum total of 900 ma (0.9 amps) to all the devices. AUKEY USB Hub 4 Port, Aluminium I like surprises. This USB hub was a surprise. I have had USB hubs in the past, and while they were all fine and worked just like they were supposed too, this one brought a little more to the game. The Construction: This is where this hub went above and beyond. Best video for mac.

It is a solid aluminum outer shell, offset with white plastic side panels and usb sockets. The feel is tremendous. It feels solid, really solid. When a device feels this solid, even if it does not work any faster than any other devices, it still jumps up notches in your mind. I know that Amazon is full of this style of hub, by many manufacturers and if any are up to this quality, then you really have no fears in picking any like this.