![]() ![]() Even so, the Pro-G40 will earn its keep for professional users who need a fast, reliable backup drive when they’re working away from the office. That performance and sturdy design means that the Pro-G40 is a bit more expensive than many of its portable rivals, costing $333.39/£414.99 with 1TB storage, or $529.39/£654.99 for the 2TB version. The sturdy casing is rated IP68 for water and dust resistance, and SanDisk claims that it can resist crushing pressure of up to 4000lbs (1800kg), and drops from a height of three metres. The Pro-G4 is solidly built too, and well suited for work on photoshoots and other outdoor locations. And, in fact, it outperformed SanDisk’s claims for write performance, consistently reaching 2350MB in our tests, and making it one of the fastest portable solid-state drives we’ve seen. The speeds quoted by manufacturers are often theoretical maximum speeds, but we were impressed to see that the Pro-G40 really lived up to SanDisk’s claims, achieving a read speed of 2670MB/s with the BlackMagic speed test app. SanDisk quotes a read speed of 2700MB/s and write speed of 1900MB/s when using a suitable Thunderbolt cable (which is included in the box). That’s fine for general day-to-day use, but creative users often require greater performance for backing up their important work files, especially if they’re working with high-res photography or large 4K – or even 8K – video files.Īs the name suggests, SanDisk’s Pro-G40 is very much aimed at professional and creative users, and instead of using USB-C it opts for Thunderbolt 3 to provide even greater performance (as well as also being backward-compatible with computers that just have USB-C). Most of the solid-state drives currently available use a standard USB-C interface, which typically provides speeds ranging between 500MB/s and 1500MB/s. ![]() The drive has a standard USB-C interface, but Samsung provides cables for both USB-C and USB-A, so you can use it with older Macs and PCs that still have USB-A if you want to (although you won’t get the full 2GB/s speed with older computers). Samsung’s app for Mac, Windows and Android also provides password protection with 256-bit encryption for professional users who want to keep their files safe and, as mentioned, the T9 provides a five-year warranty as well. It’s still very sturdy, though, as that rubber jacket can withstand being dropped from a height of three metres. The drive is smartly designed, with a subtly striped black rubber jacket that looks rather more elegant than the chunky T7 that we reviewed last year. It only weighs 122g, so you can easily slip it into your pocket, or into a bag alongside your laptop when you’re traveling. The drive remains admirably compact and portable though, measuring just 14mm thick, 60mm wide and 88mm long. To provide more storage for high-res photos and videos, the T9 now provides a maximum 4TB capacity, in addition to the 1TB and 2TB available with previous models. ![]() (We’ve retained the T7 at the bottom of this article so you can take advantage of the best deals on that model.) ![]() However, there are still limited stocks of the T7 available on some online stores, for people who don’t need such a high-performance drive. Most recent Macs support USB 4, and we actually got speeds closer to 1.8GB/s for both read and write performance, but that should still be fast enough for professional users who need to back up their work files as quickly as possible. However, your Mac or PC will need to support USB 3.2 Gen 2×2 or later in order to get that speed. Samsung states that the T9 is twice as fast as its predecessors, offering speeds of up to 2GB/s. But, in contrast to earlier models, the T9 is very much aimed at professional users, providing higher performance, capacity, and an impressive five-year warranty. Samsung’s earlier T5 and T7 solid-state drives both spent a lot of time on our ‘Best SSD’ lists, and the company recently updated the range with the new T9. ![]()
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