Our favorite portable SSD is on sale at Best Buy today – but you'll have to be quick

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Preferred Partner Our favorite portable SSD is on sale at Best Buy today – but you'll have to be quick Deals By Alex Whitelock published 3 December 2025

Best Buy's Cyber Week sale will likely end soon

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Constantly running out of storage space on your laptop? Best Buy has a solution for you today, with a number of excellent Cyber Week discounts on a range of Samsung storage devices.

While several models are on sale, I highly recommend checking out the 4TB Samsung S9 Portable SSD on sale for $299 (was $439). While it's a little pricey, this particular model is the current top pick on our best portable SSD buyers' guide, so it comes with a high recommendation from us.

With 4TB of space, you'll be set for years with the Samsung S9 – although that's not the main selling point. The S9 features a highly resilient exterior that can withstand some serious punishment, as well as support for USB Gen 2x2. In layman's terms, that means extremely quick read and write speeds, although your computer or other device will also need to support that to achieve the best performance.

Either way, the S9 is a great device that should last more than a few good years down the line.

Samsung T9 SSD deal at Best Buy

Ending soonSamsung T9 Portable SSD (4TB): was US$439.99 now US$299.99 at Best Buy

The Samsung S9 is our favorite portable SSD right now, boasting both a tough, rugged exterior and an updated USB interface that supports USB 3.2 Gen 2x2. That means super-speedy read and write speeds here if your connected device supports it. With a massive 4TB capacity, this top-of-the-line model features a huge amount of headroom, too. You can check out our Samsung T9 review for more details on this excellent SSD.

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• See more: check out all of today's storage deals at Best Buy

More storage deals at Best Buy today

Samsung T7 Shield 4TB External SSD (4TB): was US$464.99 now US$349.99 at Best Buy

Here's another great choice for an external SSD at Best Buy today. The T7 Shield is a little older now, but it features a water-resistant design that's lacking on the more recent iteration. Of course, it's not quite as speedy for read and write speeds, but it's definitely a fine choice if you think you'll need an extremely sturdy SSD.

View DealSamsung 870 EVO 4TB Internal SSD : was US$414.99 now US$329.99 at Best Buy

If your desktop is in need of serious storage, you can consider the heavily discounted Samsung 970 EVO at Best Buy. While SATA drives like this are usually overlooked in favor of speedier PCIe options, you're getting a ton of storage for the money here. Considering the 870 still boasts impressive write speeds, this is a fantastic and versatile option for any desktop setup.

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Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsorsBy submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over. TOPICS Cyber Monday CATEGORIES Seasonal Sales Alex WhitelockSocial Links NavigationRetail Editor

Alex is TechRadar's retail editor, specializing in deals, buying advice, and general tips on how to save our readers as much cash as possible. He's covered events like Black Friday and Amazon in some capacity for over seven years now; both in editorial and other ecommerce adjacent roles on TechRadar, T3, GamesRadar, and other Future PLC sites. Alex's expertise touches on most areas, but he has a particular love for phones, laptops, and cameras, being an avid photographer.

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