Video Surveillance

Seagate’s new hard drives show it’s on track to deliver 50TB HDDs by 2026

Seagate keeps pushing the limits of hard disk drives and has just released the SkyHawk AI HDD, which is now available at a whopping 20TB. This is a drive aimed at network video recorders with support for some AI cleverness no less, and isn’t really aimed at the likes of you and me, but still, it’s a good sign that Seagate is on track to fulfil its promise of 50TB hard drives by 2026.

Back in May last year Seagate launched its Mach.2 Exos 2X14, which weighed in at an impressive 14TB, and since then it has continued to release newer, denser drives. It now offers 20TB versions of the IronWolf Pro (NAS) and Exos X20 (Enterprise), with the newly announced SkyHawk AI being the latest model to get the 20TB treatment.

That Exos was a bit of a special case, in that it used the SAS 12GB/s interface to hit its impressive 524MB/s sustained transfer rate—an interface you won’t find in normal gaming PCs. Seagate has released plenty of drives since though, that like this one, make do with the more consumer-friendly SATA 6GB/s interface. It isn’t as fast as the Exos mind, topping out at a sustained transfer rate of 260MB/s.

The wonderfully named SkyHawk AI isn’t a drive you’d actually want to jam inside your gaming rig mind, as you’re paying over the odds for technologies you’re not going to use. That said, $530 isn’t as outlandish as I expected, and if anything represents a pretty good $0.03/GB, which will put even the cheapest SSD to shame.

The important point of all of this though is Seagate’s original promise from last year, where it said we’d have 50TB hard drives by 2026. Not only that but hard drives with sustained throughputs that are competitive with SATA SSDs.

In order to get there, it stated that it needed to transition away from Perpendicular Magnetic Recording (PMR) or Conventional Magnetic Recording (CMR) and move over to Heat-assisted Magnetic Recording (HAMR) instead. The fact that it’s hit 20TB using CMR here is a good sign that hard drives still have a few surprises up their sleeve.

Of course, SSDs are pushing things forward too, with speeds and capacities improving all the time. The imminent release of DirectStorage promises good things for speedy SSDs, with 1s load times, but there’s always room for a seriously chunky hard drive in our hearts, and in our machines too.

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