As devices get lighter and storage space becomes less and less, today's portable devices mean that you can expand your own storage capacity, back up data and share data between computers.
The emergence of USB 3.0 and Thunderbolt mean that you can transfer the largest files across to drives quicker than before.
As technology improves and larger storage becomes more affordable and portable, there's never been a better time to expand your storage capacity.
But how do you choose which one to buy? CBR takes a look ten of the best portable drives on the market today.
Seagate FreeAgent GoFlex Ultra-portable Drive
The GoFlex Ultra-portable drive allows users to back up, encrypt, store and access files anytime and anywhere on both PCs and Macs. Other features include USB 2.0 and USB 3.0, FireWire 800 or eSAT and up to 1.5TB of capacity.
Western Digital My Passport Studio 1TB
Western Digital's hard drive, which is compatible with Windows 8, offers up 1TB capacity on its slim drive.
It features USB 3.0 connectivity, automatic backup software, password protection and hardware encryption to protect your content from unauthorised use. The company says the device is lightweight with no power supply required, meaning you can take the hard drive with you and plug it up wherever you are.
G-Drive Mobile hard drive
G-Technology's updated hard drive fully supports USB 3.0 and USB 2.0. The drive has up to 1TB of capacity and FireWire 800 connectivity as well as 7200 rpm drive to keep transfers smooth. G-drive costs approximately £109, coming in an all-aluminium case that helps to keep the inside cool.
Buffalo DriveStation DDR
The USB 3.0 Buffalo DriveStation DDR external hard drive should offer faster transfer speeds than high-end Thunderbolt storage devices, with up to 408 MB/s, at the cost of most regular USB 3.0.
The device is compatible with any PC, Mac or USB 2.0 interface and offers backup support for unexpected disaster and hard drive failures using SecureLock software.
Other features include up to 3TB of memory storage and eco Manager software that conserves energy and reduces battery consumption.
ioSafe Storage G3
The fireproof and waterproof device protects data from loss up to 1550°F for 30 minutes per ASTM E119 and 10ft of water for 72 hours.
The fanless device has FloSafe Vent Design and capacities of 3TB and is compatible with USB 3.0 and USB 2.0 connectivity with transfer data of up to 5Gbit/s, allowing you to use it on any Mac or PC.
Other features include open-sourced encryption software, Full System Disaster Recovery and one-year subscription to Data Security Service, saving you costs should the worst happen.