- Excessive velocity 18TB Seagate Exos 2X18 HDD narrows hole with SATA SSDs
- Twin actuator Mach.2 know-how delivers 554MBps reads at enterprise pleasant capacities
- Drive fits workloads needing quick spinning media fairly than pure capability
The Seagate Exos 2X18 laborious drive is available for purchase from Perception priced at $659.99 – and whereas it isn’t precisely the Black Friday cut price of the 12 months, that’s $19 off the same old value of $679.
Aimed toward knowledge heart and enterprise workloads, this 18TB mannequin stands out for extra than simply uncooked capability – it’s quick.
The Exos 2X18 makes use of Seagate’s Mach.2 twin actuator design, which splits the drive’s mechanics into two unbiased actuator assemblies that work in parallel. The result’s quoted sequential switch charges of as much as 554MBps for reads and 528MBps for writes, roughly double a typical 7200rpm enterprise HDD.
Close to SATA SSD speeds
On paper, that places this laborious drive in the identical territory as many SATA SSDs such because the Samsung 870 QVO, at the very least for big sequential transfers.
A SATA SSD remains to be far faster for random entry and latency delicate work, however for streaming knowledge or backup jobs the Exos drive narrows the hole excess of normal spinning disks.
The Exos 2X18 makes use of a 3.5 inch kind issue with a SAS 12Gb/s interface and 256MB cache. Common latency is listed at 4.16ms and spindle velocity at 7200rpm, backed by a claimed MTBF of 2500000 hours and a 5 12 months restricted guarantee.
The drive is listed at 304 IOPS for 4KB random reads and 560 IOPS for 4KB random writes. Energy draw ranges from 8W at idle to 13.5W throughout sequential reads.
Helium stuffed building, PowerBalance and Energy Selection options are all geared toward preserving thermals and vitality use predictable in dense racks.
Seagate Safe assist can assist with {hardware} primarily based knowledge safety in managed environments, though that may naturally rely upon host integration.
This type of efficiency comes at a steep value for a single 18TB drive. For consumers that solely want capability, slower nearline disks or excessive capability SATA SSDs will work out cheaper per terabyte.
For workloads which can be nonetheless sure to spinning media however profit from greater throughput, the Exos 2X18 affords an uncommon center floor between conventional HDDs and entry stage SATA SSDs.
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