I drove a bulldozer over this SSD enclosure so you don’t have to – here’s the result

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As solid-state drives (SSDs) slowly replace traditional hard drives’ spinning platters, portable data storage has become far more reliable. I remember the days of lugging hard drives outdoors where they were prone to getting bashed around, exposed to dirt, water, and all sorts of grime. All it took was one unfortunate spill or knock to render your storage useless and throw a huge wrench into an otherwise smooth day.

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What I would have given back then for storage that had no moving parts, wouldn’t break when knocked around, and could be housed in an enclosure that’s practically bombproof. Enter: the Terramaster D1, a portable SSD enclosure that delivers all this — and at a  competitive price. 

Terramaster is a well-established brand with a long-standing reputation in the data storage industry. I’ve trusted their NAS boxes for years, so when I got the chance to try their new portable enclosure, I didn’t hesitate. What I didn’t know at the time was just how tough this little enclosure would turn out to be.

The Terramaster D1 is small enough to fit in your pocket, measuring just 4.5 x 1.8 x 0.8 inches and weighing a little over five ounces (without a drive). Once you add an M.2 2280 NVMe SSD, you’re looking at just about half an ounce more. The enclosure supports drives up to 8TB and delivers read/write speeds of up to 10Gbps, or roughly 1,010MB/s (testing done using a Samsung 990 Pro SSD).

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Of course, your final speeds will depend on the quality of the M.2 NVMe SSD you install and your host system. A $60 SSD will perform differently than a $600 one.

It’s all about how much you’re willing to spend. I should note that the D1 only supports 2280 NVMe SSDs. That means 2230, 2242, 2260 drives, or SATA SSDs won’t fit. 

Serious durability

If the D1 were just a sleek, fast enclosure, I’d already consider it a great product. But what sets it apart is its tough-as-nails build quality.

The enclosure is crafted from aerospace-grade aluminum alloy, which is lightweight, corrosion-resistant, and incredibly durable. It can withstand crushing pressures up to 1.2 tons, making it ideal for rugged environments. The aluminum construction also doubles as a heat sink, dissipating the heat generated by high-performance SSDs. 

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The enclosure’s design maximizes surface area to further aid in heat dissipation, and Terramaster has even included a thermal pad inside for additional efficiency.

Beyond the physical toughness, the D1 is also IP67-rated for dust and water resistance. This means it’s submersible in up to one meter of water for 30 minutes — as long as the enclosure is fully sealed, with the covers aligned, gasket intact, and screws tightened. Just be careful not to lose the tiny silicone port cover. 

I gave the drive a good hammering, throwing it about, standing on it, and driving a digger over it (not as impressive as it sounds since it spreads the wight across the whole surface area of the tracks). 

Compatibility and backup features

The Terramaster D1 is compatible with Windows, MacOS, Linux, iOS, and Android, making it a versatile tool for users across platforms. If you’re using an iOS or Android device, you can download the TDAS Mobile app (iOS/Android), which allows you to perform one-click automatic backups of your photo albums. 

This feature is a lifesaver for anyone looking to free themselves from the ongoing costs of cloud storage while keeping their data safe and secure. 

ZDNET’s buying advice

The Terramaster D1 is a standout SSD enclosure that combines impressive durability, speed, and portability. With its aerospace-grade aluminum construction, IP67 water and dust resistance, and blazing-fast data transfer speeds, it’s a no-brainer for anyone in need of reliable portable storage. 

And the price is right: $39.99. Yes, that’s right. Forty bucks. 

I’d recommend this to professionals working in the field, digital nomads, or anyone who values their data and is tired of fragile storage solutions. Additionally, anyone who wants to stop overpaying for cloud storage will find the D1 delivers everything you could want in a rugged enclosure — at a price that feels like a steal.