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External 3.5-inch-based hard drives for backup and expanded storage have been common for decades (I brought one with me to college in 2000). But they typically required large laptop-style external power bricks, were often painfully slow, and were prone to random data-eating failure (ask me how I know). Seagate’s game-focused FireCuda X Vault drive (available in 8TB and 20TB options; we tested the 8TB) attempts to mitigate some of those past frustrations using a single USB-C connection that also powers the drive.
It’s also faster than portable hard drives (like the WD My Passport I tested in 2024), delivering a little under 200 MB/s writes in our real-world 50GB file transfer test. And if data loss concerns you, the FireCuda X Vault, like most Seagate drives, ships with two years of the company’s in-house Data Recovery Service. Of course, sub-200 MB/s speeds aren’t going to compete with even mid-range SSD these days, and at roughly 7.75x 2.1 x 5.25 inches and 2.75 pounds, it’s much larger than something like Sandisk’s solid-state Desk Drive (which I also tested at 8TB ). But that 8TB desk-bound SSD is currently selling for $740, while Seagate’s 8TB spinning-platter Vault has an MSRP of $269. Is the Seagate Firecuda X Vault (which, apart from its built-in RGB, doesn’t look all that different from external 3.5-inch external drives I owned in the early 2000s) a smart storage option for gamers in 2026? Let’s walk through its features, put it through our external storage testing, and find out if it deserves a spot on our list of the best external hard drives and SSDs .
Specifications
Swipe to scroll horizontally Capacity 8TB 20TB Price $269 $529 Dimensions 7.8x 2.09 x 5.2 inches 7.8x 2.09 x 5.2 inches Weight 2.84 pounds 2.84 pounds Warranty 2 years 2 years
Design and features of the Seagate FireCuda X Vault
(Image credit: Tom's Hardware)
The Seagate FireCuda X Vault looks and feels a lot like any other external 3.5-inch external drive, perhaps with a bit more gamer edginess, thanks to some plastic slats designed to look like cooling fins and a wrap-around top surface with some cutouts to let the RGB shine through. The entire outer shell is plastic, save for a large foam pad on the bottom that’s there to prevent the drive sliding around on your desk (and also to hide the access screws underneath). The drive doesn't exactly scream premium storage, but it doesn’t feel or look cheap, either.
(Image credit: Tom's Hardware)
The sole port, which is USB-C, is housed on the rear center. And because this is a bus-powered drive, you’ll need to use a port (and a cable) that’s capable of delivering 15W of power. That might mean plugging the drive into the back of your PC if you’re using a desktop. And considering most modern systems don’t have more than two or three native USB-C ports, you might have to pick up a powered USB-C hub if you have other peripherals that need those ports.
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