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SanDisk 4TB Extreme PRO Portable SSD, USB-C USB 3.2 Gen 2x2, External NVMe Solid State Drive, up to 2000 MB/s, IP65 rated for dust and water resistance

£154.575£309.15Clearance
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About this deal

That you can buy two Crucial X8 for the price of a single SanDisk Professional SSD that isn’t any faster suggests that either Crucial is underselling its line or SanDisk has entirely lost the pricing plot. Overall, this is a very nicely engineered and constructed external drive that looks able to cope with abuse that might be expected to kill those external SSDs that are made mostly of plastic. Given the IP67 rating, it should handle the odd splash of water, being dumped in the dust and, with 2000lb of crush resistance, accidentally driven over by a family car. The SanDisk PRO-G40 nails the storage trifecta creative pros need – speed, durability, and lots of space. This external SSD rips through transfers with blistering 3000MB/s bandwidth. The IP68 rating shakes off dust and even an accidental dunk in water. Plus, you get a massive 4TB to save all your projects. Some unconfirmed chatter suggests that the SanDisk Extreme SSD issues affect only those using devices "manufactured after November 2022." Still, at the time of writing, we would advise anyone using these drives to use them with extreme caution. Perhaps it is advisable to only use these storage devices for convenient duplicate or temporary data until the fix arrives and it has been tested well.

Microsoft Windows-using customers will need the technical knowledge and confidence to use the Windows management console to delete the existing partition and create a new NTFS or exFAT volume. But we can say with some certainty that any attempt to open it would immediately invalidate the five-year limited warranty.

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To test SanDisk’s water resistance claims for the Pro-G40 SSD, I submerged it in a glass of water with the USB/Thunderbolt port facing upwards. After 30 minutes underwater, the drive was retrieved, dried, and allowed to rest for an additional hour to ensure no lingering water within the port. Post-drying, the drive reconnected seamlessly to a computer and functioned without issue. SanDisk Pro-G40: Verdict

Why they didn’t use exFAT and a utility that runs on both platforms to reformat the drive for both groups is a mystery. Because that’s normally what Western Digital does, the overarching business that owns the SanDisk brand. The port type is critical because USB 3.2 Gen 1 only offers 5Gbit/s of bandwidth, which equates to roughly 500MB/s, or the same speed as SATA SSDs can achieve.

Introduction and Product Impressions

Up to three-meter drop protection and IP65 water and dust resistance 5 mean this durable drive can take a beating. While it will work with USB 2.0 and USB 3.0 (aka USB 3.1), to get the best transfer speeds from it requires a port with USB 3.2 Gen 2 10Gbit/s. And for those wondering if this high pricing is Brexit related, it isn’t. The prices for this range in France are equally inflated, being €163.99,€264.99, €410.99 and €769.99.

While its upper surface feels like hard plastic, the edges and underside of the Pro-G40 SSD feature a soft-touch coating that enhances grip and provides a pleasing tactile sensation. However, that coating comes at the expense of collecting fluff. Making it somewhat water/dust resistant and hardware encryption doesn’t justify more than doubling the cost, unfortunately.The G-Drive SSD comes with none of these, regrettably. We can only conclude that those who designed the G-Drive SSD assumed that it would be mostly Apple macOS users purchasing this drive, and they have Time Machine and don’t need any other tools. When connected to a PC using USB 3.2 Gen 2 ports, our speeds topped out at around 1,050MB/s reads with 1,000 MB/s writes on CrystalDiskMark 8.0.4, irrespective of USB-A or USB-C.

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