![]() The device’s enclosure functions as a cooling surface that transfers heat from the NAND and controller inside the case to the cooler air outside. Since portable SSDs don’t typically have any active cooling from fans, portable SSD design for passive cooling is critical. In environments that are on the higher end of this tested temperature range, it is normal for the drive’s temperature to increase close to the edge of its internal operating limits. ![]() ![]() Portable SSDs are tested to operate within acceptable ambient temperature ranges (commonly 0º C – 25º C). When this happens, users quickly understand that actual sustained performance strays quickly from the stats promoted on a drive’s datasheet. As a result of the heat, performance will drastically drop as the drives throttle themselves in an act of self-preservation. These drives can get extremely hot when transferring data for extended periods of time. There is another critical concern among users that have a performance need. However, the cost is not a real problem here. Due to the falling rates of SSD prices, you can get a fast external drive with a lot of storage capacity for less than you might expect. Furthermore, if editing multicam footage, 8K video, higher quality codecs, or gaming is required, read/write speeds greater than 1GB/s is recommended.Īs you might presume at this point, it can get tricky to find a drive that meets the performance requirements of professional applications. Thanks to these impressive performance profiles, high-performance SSDs are ideal for photographers, videographers, and heavy-duty users who constantly take images or 4K video content and need extra space to offload the data. Confusing name aside, this interface adds a second lane, more or less doubling theoretical performance. That’s thanks to USB 3.2 Gen2x2 interface data rate. Meanwhile, the Extreme Pro model ( SanDisk Product Page) is able to hit 2,000MB/s transfer rates for both read and write. The Extreme Portable SSD now reaches read speeds of 1.05GB/s and write speeds of 1GB/s over a universal USB-C port. SanDisk upgraded the Extreme and Extreme Pro Portable SSDs by doubling the data transfer speeds over the last-generation models. But there are mainstream offerings as well, we recently reviewed SanDisk’s latest offerings. On paper, the performance of these devices is thrilling, with brands quoting impressive numbers of up to 2.8GB/s for Thunderbolt SSDs like the Samsung X5. ![]() They are the right option for those looking for a versatile solution, particularly a more universal USB-C drive that doesn’t compromise storage capacity or high speed. They are faster, more durable, and smaller than portable hard disk drives (HDDs) because they have no moving parts. ![]() Portable SSD drives are designed for both home use and when on the go. So we set out to punish the current set of portable SSDs from popular brands to see just how well they hold up under severe stress. The problem, though, when deciding on a drive in this class is that vendors only show burst performance on the datasheet. It’s common to see a portable SSD strapped to the side of a digital camera on a set or perpetually helping a scientist crunch data in real-time in the field. At the same time, we’ve seen the workloads for portable SSDs become more intensive. Over that span, we’ve seen the market transition from hard drives to flash. We’ve been reviewing portable drives for almost a decade now. ![]()
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