WD Elements 1TB Portable.
Pros: Solid performer, Relatively Cheap, No Powercord Required, Enough Storageroom
Cons: Short USB Cable, Annoying LED on the back.
Pros: Solid performer, Relatively Cheap, No Powercord Required, Enough Storageroom
Cons: Short USB Cable, Annoying LED on the back.

Pros: Huge capacity, USB 3.0 speeds, Compact, Well-built, Easily Mac-formatted
Cons: Price

Pros: Standard SATA III drive; base allows other SATA drives to plug into it
Cons: Uses Memeo backup software; custom USB3 cable; spare cables do not seem available.

Pros: Incredibly functional, tool-less, simple to use
Cons: Plastic, fan may be overkill, pricey
“After my dad dropped my old External HDD , a Western Digital 3200AAK, he offered to buy me a new one. It wasn’t hard to choose a new one. I got the Western Digital Elements 1TB, which is a major upgrade from my past External HDD (my dad is a bit dumb when it comes to that, as he sworn me that I wouldn’t be getting a better drive than what I already had). Today, after a few days of use, I’ll...” --AverageNinja
Seagate Expansion 500 GB USB 2.0 Portable External Hard Drive ST905004EXA101-RK
“It's the almost the same size as a passport and hence the name. Very good for the consumer who needs a lot of portable memory on the go and is willing to pay the somewhat demanding price. It's built very well and the rubber feet will stop any vibrations on any surface. The drive is also incredibly silent and can only be heard if you put your ear right next to it while writing a lot of...” --KyleM
“Absolutely love this little guy. Bought it for storage since I run my boot on a SSD and this drive does it all. Tested it to make sure it work when it arrived, and then tore it apart. Took 10 minutes with a guitar pick and a butter knife to pop all the tabs (no screws on the outer shell) and remove it from the PCB that allows it to use USB 3.0. After that it is just your typical 3000GB platter...” --xRehab
The Seagate Expansion portable drive is compact and perfect for on-the-go. Instantly addmore storage space to your computer and take large files with you when you travel.Setup is simple and straightforward; simply connect a single USB cable and you are readyto go. The drive is powered from the USB cable, so there is no need for an external powersupply. Plus, it is automatically recognized by...
“ I saw this kit bundled together on Newegg with a PCIE 2.0 USB3 port. This is what I need, I thought. I had been using a WD MyBook World Ethernet drive. As a drive it was nice, but the Memeo software that ran the backups was a kludge. Worse: it couldn't find the previous backup, so each time a user started the computer, we had to cancel what it was doing and start a new backup....” --ehume
Fast data transfer just got a whole lot better thanks to the all-new Thermaltake BlacX Duet 5G Dual Hard Drive Docking Station. Continuing the award-winning concept of allowing user to conveniently hot-swap drives without the use of any tool, BlacX series of hard drive docking station re-defined the way users transfer large amount of data. BlacX Duet 5G utilizes the latest in USB 3.0...
http://www.newegg.com/Product/Product.aspx?Item=N82E16822148659
The Western Digital My Book 3.0 external hard drive is WD's fastest external drive ever thanks to its USB 3.0 interface. The SuperSpeed USB 3.0 transfers data at 5Gbps which is 10 times faster than USB 2.0. As a result, My Book 3.0 is able to transfer 2000 Songs (about 10GB) in one minute and 2-hour HD movies (about 24GB) in 3 minutes! By including the USB 3.0 HBA adapter in this package,...
Form Factor: 3.5" Interface: USB 2.0 Dimensions: 7.01" x 4.59" x 1.42" Weight: 2.24 lbs. Features: Compatibility: Available USB port Mac OS X Tiger or Leopard Windows Vista/XP Package Contents: USB 2.0 external hard drive USB cable AC adapter Quick Install Guide Parts: 1 year limited Labor: 1 year limited