G-Technology's G-Drive ev ATC is its latest hard drive, offering Thunderbolt connectivity in an ultra protective package. Introduced at CES this year, the G-Drive ev ATC (ATC stands for All-Terrain Case) is shock/dust resistant, waterproof and pressure resistant, plus it offers 1TB of storage and Thunderbolt speeds.

Designed for users who need storage space that can be used in the field in suboptimal conditions, the bus-powered G-Drive ev ATC will keep data safe in all kinds of environments. The ev ATC (which has an ev RaW 7200 RPM hard drive inside) is also compatible with company's Evolution series, including the G-Drive ev and G-Drive ev SSD, so hard drives can be swapped in and out of the rugged enclosure.

What's in the Box?

The G-Drive ev ATC includes one inner 1TB G-Drive ev RaW, the rugged outer casing, and a USB to Micro-B cable for using the hard drive with your Mac when it's not inserted into the enclosure with the Thunderbolt cable. It also ships with a small instruction manual to walk you through removing the inner drive from the outer casing and swapping it into other G-Technology products if desired.

evatcwhatsinthebox

Design and Features

There are two major parts to the G-Drive ev ATC: the hard plastic and rubber all-terrain case and the inner 1TB hard drive. The outer shell is constructed from black plastic with blue rubber accents at the corners and on the top and bottom to provide cushioning should it accidentally fall. It feels like a solid, quality product that's going to stand up to abuse.

evrawrubber
It's branded with the company's signature "G" logo and it has an LED at the top to let you know when it's plugged in and active. A built-in Thunderbolt cable tucks around the perimeter of the drive and is covered with a blue rubber cap to keep dust and water out. One minor downside to the hard drive here -- the rubber cap is flimsy and it feels like it could rip off with rough handling, and when subjected to a water test, a bit of water leaked in (it remained usable after the water dried).

evatcthunderbolt
On the side of the ev ATC, there's a buckle that can be opened up to release the top part of the enclosure to get to the ev RaW hard drive inside, which plugs into the outer casing using its SATA interface. The top of the opening is surrounded by the same rubber that's on the outside of the case, preventing water and dust from getting at the inner ev RaW when the case is closed.

evatchinge
The inside hard drive slides right out from the outer enclosure, and the case can be used with other G-Technology products. If you have a G-Dock, for example, you can pull out one of the drives, toss it in the ev ATC case and take it on the go, offloading pictures or videos by plugging it into the dock again. Similarly, if you have a G-Drive ev SSD, you can pull out the ev RaW and stick the SSD in the ev ATC for some extra protection when traveling. You can also take the ev RaW inside the ev ATC and plug it into the G-Dock via its SATA interface.

evatcplusevraw
When plugged into the ev ATC case, the included ev RaW hard drive (or another ev series hard drive) works over Thunderbolt, but when removed from the casing, you'll need to use the USB 3.0 cable to connect the ev RaW to a computer. Since there's no USB interface on the ev ATC, connecting to a USB port on a Mac will always require opening up the case and removing the ev RaW.

Size wise, the G-Drive ev ATC is somewhat bulky because of the protective outer casing. It's going to fit fine in a backpack or suitcase, but it's larger than similar products from LaCie. It measures in at 6.46 by 4.25 by 1.20 inches, and weighs 0.82 pounds. The inner G-Drive ev RaW is slimmer and could fit in a pocket or purse, at 5.14 by 3.29 by 0.65 inches. It's actually the same as the other removable drives in the company's G-Dock ev series, but it's made of black plastic rather than aluminum for better durability and a 35 percent lighter weight.

evatcpieces
The G-Drive ev ATC is marketed as an "all-terrain" hard drive that can hold up to several environmental hazards. It's shock resistant and will withstand a 6 and a half foot drop, it's resistant to pressure, protected from dust due to its enclosure, and it's water resistant when inside the casing. The drive is light enough that it floats in water, so should it somehow fall into a shallow pool of water, it won't sink to the bottom and become unretrievable.

evatcwithmac
According to G-Technology, it can survive for 30 seconds in water up to one foot in depth, so you shouldn't toss it into a lake, but it's going to be okay in the rain or with a bit of water spray at the beach. We stuck it in the shower for several minutes and saw no water leakage inside the case, but water did get into the Thunderbolt cable (as mentioned before, the hard drive remained functional after it dried). We also tested the drop capabilities and did not damage the inner drive or the casing even after repeated drops from six feet.

evatcthunderboltcover

Software and Performance

Many hard drives on the market have drive management software packages pre-installed, but the ev RaW does not. It does come automatically formatted for use with Macs, so prospective buyers who want to use the drive with Windows will need to reformat it right out of the box.

evatcdiskutility
According to G-Technology, the 7200 RPM ev RaW hard drive inside the ev ATC should see read/write speeds of up to 136MB/s, and in our tests using the Black Magic Disk Speed test, performance was nearly at that level. We saw average write speeds of approximately 122MB/s and average read speeds of 132MB/s when connected via the ev ATC's Thunderbolt.

Over USB 3.0, average speeds were just slightly lower at 120MB/s write and 130MB/s read. Overall, for a magnetic drive, the data transfer speeds were solid and in line with what G-Technology advertises.

Who's It For?

The average person doesn't need a hard drive that's able to withstand rain, mud, dirt, significant drops and other environmental hazards, so the G-Drive ev ATC is a bit of a niche product. It's aimed at photographers, videographers, and other professionals who do a lot of field work and often find themselves needing to store or access data in areas that could damage standard hard drives.

gdriveevatc2
The G-Drive ev ATC can survive a lot of abuse including dust, drops, liquid spills, puddles, sand, and more, so it's worth a consideration if you're the type of person that needs to work in those conditions. It's expensive compared to other 1TB hard drives on the market, but it offers a level of protection that many competing products do not. It's worth noting that G-Technology's parent company HGST (a subsidiary of Western Digital) has some of the lowest hard drive failure rates and G-Technology products are often lauded for their reliability.

If you're already using G-Technology's ev product line in your home or office, the G-Drive ev ATC is a natural addition because it works with the existing G-Dock ev and offers swappable components. The inner ev RaW can be removed and used with the G-Dock, and the G-Drive ev and the G-Drive ev SSD work with the ev ATC enclosure.

evrawsataport
It's only worth purchasing the ev ATC with Thunderbolt if you need to take advantage of a Thunderbolt port -- there's a cheaper USB 3.0 version that'll be available soon, and it's a better buy for primary use over a USB connection.

Pros:

  • Versatible, works with all Evolution Series G-Drive products
  • Resistant to elements
  • Floats in water
  • USB/Thunderbolt/SATA
  • Good performance

Cons:

  • Bulky/Heavy
  • Expensive
  • Flimsy Thunderbolt cable cap
  • USB 3.0 access requires removing inner drive from casing

How to Buy

The G-Drive ev ATC with Thunderbolt can be purchased from the G-Technology website for $229.95. It's also available from Amazon at the same price point.

Top Rated Comments

KindredMAC Avatar
138 months ago
And all for the low, LOW price of....

YOUR SOUL!!!!
Score: 3 Votes (Like | Disagree)
keifer.street Avatar
138 months ago
A thunderbolt I/O with an old magnetic 7200 rpm hard drive makes no sense. The read/write speed of the drive would be a huge bottleneck. With a much faster SSD, you'd come much closer to reaching Thunnderbolt's full speed potential.
Score: 2 Votes (Like | Disagree)
One Bad Duck Avatar
138 months ago
Eurgh please, thunderbolt is so 2013. Where's the USB-C?
Score: 2 Votes (Like | Disagree)

Popular Stories

iOS 26

iOS 26.2 Coming Soon With These 8 New Features on Your iPhone

Thursday December 11, 2025 8:49 am PST by
Apple seeded the second iOS 26.2 Release Candidate to developers earlier this week, meaning the update will be released to the general public very soon. Apple confirmed iOS 26.2 would be released in December, but it did not provide a specific date. We expect the update to be released by early next week. iOS 26.2 includes a handful of new features and changes on the iPhone, such as a new...
Google maps feaure

Google Maps Quietly Added This Long-Overdue Feature for Drivers

Wednesday December 10, 2025 2:52 am PST by
Google Maps on iOS quietly gained a new feature recently that automatically recognizes where you've parked your vehicle and saves the location for you. Announced on LinkedIn by Rio Akasaka, Google Maps' senior product manager, the new feature auto-detects your parked location even if you don't use the parking pin function, saves it for up to 48 hours, and then automatically removes it once...
AirPods Pro Firmware Feature

Apple Releases New Firmware for AirPods Pro 2 and AirPods Pro 3

Thursday December 11, 2025 11:28 am PST by
Apple today released new firmware designed for the AirPods Pro 3 and the prior-generation AirPods Pro 2. The AirPods Pro 3 firmware is 8B30, up from 8B25, while the AirPods Pro 2 firmware is 8B28, up from 8B21. There's no word on what's include in the updated firmware, but the AirPods Pro 2 and AirPods Pro 3 are getting expanded support for Live Translation in the European Union in iOS...
Foldable iPhone 2023 Feature 1

Apple to Make More Foldable iPhones Than Expected [Updated]

Tuesday December 9, 2025 9:59 am PST by
Apple has ordered 22 million OLED panels from Samsung Display for the first foldable iPhone, signaling a significantly larger production target than the display industry had previously anticipated, ET News reports. In the now-seemingly deleted report, ET News claimed that Samsung plans to mass-produce 11 million inward-folding OLED displays for Apple next year, as well as 11 million...
AirTag 2 Mock Feature

Apple AirTag 2: Four New Features Found in iOS 26 Code

Thursday December 11, 2025 10:31 am PST by
The AirTag 2 will include a handful of new features that will improve tracking capabilities, according to a new report from Macworld. The site says that it was able to access an internal build of iOS 26, which includes references to multiple unreleased products. Here's what's supposedly coming: An improved pairing process, though no details were provided. AirTag pairing is already...
iOS 26

iOS 26.4 and iOS 27 Features Revealed in New Leak

Friday December 12, 2025 10:56 am PST by
Macworld's Filipe Espósito today revealed a handful of features that Apple is allegedly planning for iOS 26.4, iOS 27, and even iOS 28. The report said the features are referenced within the code for a leaked internal build of iOS 26 that is not meant to be seen by the public. However, it appears that Espósito and/or his sources managed to gain access to it, providing us with a sneak peek...
iOS 26

15 New Things Your iPhone Can Do in iOS 26.2

Friday December 5, 2025 9:40 am PST by
Apple is about to release iOS 26.2, the second major point update for iPhones since iOS 26 was rolled out in September, and there are at least 15 notable changes and improvements worth checking out. We've rounded them up below. Apple is expected to roll out iOS 26.2 to compatible devices sometime between December 8 and December 16. When the update drops, you can check Apple's servers for the ...
iOS 26

Apple Releases iOS 26.2 With Alarms for Reminders, Lock Screen Changes, Enhanced Safety Alerts and More

Friday December 12, 2025 10:10 am PST by
Apple today released iOS 26.2, the second major update to the iOS 26 operating system that came out in September, iOS 26.2 comes a little over a month after iOS 26.1 launched. ‌iOS 26‌.2 is compatible with the ‌iPhone‌ 11 series and later, as well as the second-generation ‌iPhone‌ SE. The new software can be downloaded on eligible iPhones over-the-air by going to Settings >...
maxresdefault

iOS 26 Code Leak Reveals Apple Smart Home Hub Details

Thursday December 11, 2025 4:02 pm PST by
Apple is working on a smart home hub that will rely heavily on the more capable version of Siri that's coming next year. We've heard quite a bit about the hub over the last two years, but a recent iOS 26 code leak provides additional insight into what we can expect and confirms rumored features. Subscribe to the MacRumors YouTube channel for more videos. Macworld claims to have access to an ...
studio display purple

Apple Studio Display 2 Code Hints at 120Hz ProMotion, HDR, A19 Chip

Thursday December 11, 2025 4:19 am PST by
Apple's next-generation Studio Display is expected to arrive early next year, and a new report allegedly provides a couple more details on the external monitor's capabilities. According to internal Apple code seen by Macworld, the new external display will feature a variable refresh rate capable of up to 120Hz – aka ProMotion – as well as support for HDR content. The current Studio...