Found a nice deal on a 4TB Western Digital External Harddrive on group buy deals on eBay.
RRP is $275, and price is AU $175 currently, shipped free.
store page description
When your computer’s internal storage is almost full, your PC slows down. Improve your PCs performance and free up space with today’s Group Buy!
Massive Capacity
With 4 TB of storage, there's plenty of room for all your important files and precious memories.
Faster File Transfer
When connected to a USB 3.0 port, access and save files faster than ever. Connect to your USB 2.0 devices as well.
Simplicity
Works right out of the box with your Windows PC. Just connect the power and plug the drive into the USB port on your computer to instantly add more storage.
The Western Digital Elements 4TB Hard Drive.
Delivered Australia wide for only $175.
Save 36% off RRP.
Other features
Interface: USB 3.0 and USB 2.0
Serial Bus Transfer Rate (USB 3.0): 5 Gb/s (Max)
Capacity: 4 TB
Power Source: Included AC adapter
AC Input Voltage: 100-240 VAC
AC Input Frequency: 50-60 Hz
System Requirements: Windows, may be reformatted for Mac OS X Mountain Lion or Lion
Physical Dimensions
Height: 165.8 mm
Depth: 135 mm
Width: 48.0 mm
Weight: 0.91 kg
Temperature:
Operating – 5° C to 35° C
Non-Operating - -20° C to 65° C
EDIT: Thanks to Maki - don't forget about the 2% cashback, or going to Officeworks for a pricebeat to $166.25
You can also add in 2% CashReward
OR
Pricebeat to $166.25 from OW