LaCie Rugged 4TB
If these tiny tough drives above don't offer enough space, you can always upgrade to LaCie Rugged. It is not only Apple-approved (on their website), but also, if you get lost in the wilderness, just keep up the orange case that is found quickly. & Nbsp;
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ADATA SD700 3D NAND 1TB Ruggedized External Drive is Water, Dust, and Shockproof
If you are one of today's mobile warriors, you may need an external hard drive to match your work or your personal style. are all portable, but depending on how you move, they may not fit you. Take a closer look to see how these portable external hard drives measure usage, shock, dirt and water exposure.
Personally, I have found out that most external hard drives can withstand a decent amount of movement during general business or family vacations. I've had stations that fail from what I suspect bounces too much. Since the most inexpensive hard disk drives (HDDs) have moving parts (magnetic floating heads that read a revolving plate; think vinyl record with a little more stability), they will be more prone to shock. If you're just going back and forth to your friend's apartment, it's probably not a big deal. If you are on the road constantly, out in the field, or are prone to dropping things, consider a solid-state drive (SSD).
Important note: Many external hard drives use USB 2.0 connections, but for the fastest speeds will have USB 3.0 or USB Type-C connection or Thunderbolt 3.
Here are the best portable external drives of 2019:  Western Digital 4TB Black My Passport Portable External Hard Drive – USB 3.0
You can't go wrong with the Western Digital 4TB hard drive. It is backed by one of the most established manufacturers and comes with a healthy two-year manufacturer limited warranty. This WD external hard drive works with both Mac and PC.
Seagate Backup Plus 5TB External Hard Disk Portable HDD – Black USB 3.0 for PC and Mac
Seagate 5TB Mac or PC
It's so many flavors of external Seagate stations that you can literally browse page after page. I keep coming back to this 5TB drive for its generous storage capacity. It works well on a Mac or PC and gets the power from the USB cable so you don't need external power, which is useful when you're on the road. This drive is available in versions of 1, 2, 4 and 5 TB.
Samsung T5 Portable SSD – 1TB – USB 3.1 Solid State Drive
Samsung T5 SSD 1TB  Samsung
This Samsung drive fits in the palm of your hand a full metal jacket. It also offers optional password protection and AES 256-bit hardware encryption, includes USB Type C to C and USB Type C to A cables, and comes with a three-year warranty. This SSD works with Windows 7, Mac OS X 10.9 (Mavericks), Android 4.4 (KitKat) or later.
SanDisk 1TB Extreme Portable External SSD – USB-C, USB 3.1
Sandisk 1TB SSD
No, this SanDisk drive does not come with carabiner hook to cut it in the backpack, but it has the loop. If you need a lot of space in a tough package that easily fits in your pocket, this is the drive.
Kingston Digital 2TB DataTraveler Ultimate GT USB 3.1 / 3.0
Kingston 2TB Thumb Drive
The prices for this Kingston drive start at $ 1,168. Yes, you have read it correctly. This is probably the smallest large drive you can get – in a thumbs-up. It's about 3 inches by 1 inch and 1 inch. Storage of 2 terabytes in the closed hand. It has super fast speeds of 300 MB / s and 200 MB / s. According to Kingston, there are 70 hours of 4K recording. It comes in a cool and protective zinc alloy metal casing.
ADATA SD700 3D NAND 1TB Ruggedized Water / Dust / Shock Proof External Solid State Drive
ADATA 1TB SSD
This little gem is impressive – and cheap. (Prices start at $ 140.) With its square shape, it fits perfectly in the palm of your hand and supports Windows, Mac OS and Android devices.
Micro Center SuperSpeed 256 GB USB 3.0 Flash Drive
If you just need to move large files occasionally, or want to Having a very cheap hard drive option (less than $ 25), this large thumb drive may be all you need. They call it a "Gum Size Memory."
Toshiba Canvio Basics 1TB Portable External Hard Drive USB 3.0
Toshiba Canvio here is not as tough as it is Samsung or SanDisk a third of the price, and if you don't plan to drive with it, you might like the extra $ 100 plus in your pocket instead.
LaCie Rugged Mini 4TB External Hard Disk Portable HDD
LaCie Rugged 4TB
If these tiny hard drives above do not offer enough space, always can upgrade to LaCie Rugged. Not only is Apple approved (on their website), but also, if you get lost in the wilderness, just keep up the orange case to be found quickly.