Oddly, while idle, the 20TB pulls a little more power than the 18TB, 5.5W from 5.2W, but critically when it is running, it uses less power. Down from 8W on the 18TB to 7.7W on the 20TB, its standby power level is also less.

Seagate Exos X20 20TB SATA HDD SATA 6Gb/s 7200 RPM

Evidently, both Seagate and Western Digital did the calculations and came to the same conclusion about these devices and how much use they are likely to handle before they need replacing. In spite of my word in this article, I laud the introduction of 20 TB hard drives. I remember building my first desktop with an 80 GB and 60 GB drive, on which I stored 720 × 576 or lesser rips of the typical teenage favourites. We are entering an age, where a single drive could store all the data you ever produce without compromise. But that is also where the risks lie.This hard drive comes in a sleek white and silver plastic box that matches nicely with most desk decors. The aesthetics of this drive are impressive. You can choose the device with one or two drives bays for hard disks, and if you choose the bigger two-bay option, you will need to look at the overall dimensions of the product. But unlike the IronWolf Pro, the 20TB design shows no improvements in operational power demands over the 18TB models, and the SAS models use an extra 0.4W over the SATA versions at idle. However, channel pricing is driven by demand, and with the EXOS 20TB being new, the demand is high. We would expect that the price of this part should drop once production overtakes demand later in the year. On that basis, we’d take the Seagate EXOS 20TB and its 550TB/year workload rating and 2.5M-hr MTBF over the IronWolf Pro 20TB. The SATA EXOS comes either with Standard or SED FastFormat, and the SAS model adds SED-FIPS to those options.

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Versatile Capabilities: Intelligently adapts to the scale of your AI environment, supporting up to 64 HD video streams and 32 AI streams. One surprise was that considering the performance improvements, we had expected the 20TB drive to pull more power and generate more heat.

Seagate brought its 20TB products to market alongside Western Digital, eliminating any special bragging rights on this scale of drive.