The Exos X delivers superior random performance for cloud and rack-scale deployments but can also benefit smaller install bases.
SEAGATE DISK MANAGER 9.5 SERIES
The new information in this article is how the Exos X series fits in the mix to round out the NAS-optimized trio.
SEAGATE DISK MANAGER 9.5 PRO
If you follow my other IronWolf reviews featuring the smaller capacities you already knew the IronWolf is slightly faster than the IronWolf Pro in smaller array deployments. Asustor, QNAP, QSAN, Synology, TerraMaster, and Thecus support IronWolf Health Management. It's more like ESP with the system monitoring hundreds of parameters, analyzing the data, and recommending replacements before tragedy strikes. The feature goes way beyond the typical SMART reporting. Seagate worked with every major NAS vendor to implement an in NAS health monitor feature called IronWolf Health Management (IHM). All prices are taken from Newegg at the time of writing. HGST, a Western Digital company, ships a 14TB model of the Ultrastar DC HC530 for $549.99. The SED encryption SATA model (ST16000NM003G) bumps the price per drive up to $586, and the 12Gbps SAS model (ST16000NM002G) sells for $479.įor comparison, the WD Red 12TB (5,400 RPM and the largest available at the time of writing) sells for $349.99, and the Red Pro 12TB (7,200 RPM) sells for $429.99. The price is for the SATA model (ST16000NM001G. The 16TB Exos X currently undercuts both the IronWolf Pro and IronWolf at Newegg with a $468 price per drive. We rarely observe the Exos X pricing because the release cadence doesn't always come at the same time. We usually see around a $100 difference during a new product launch between the new base and Pro IronWolf models. Newegg has both the IronWolf 16GB and IronWolf Pro 16TB at $499 right now. As you can see, that is not the case right now. Normally we expect to see a cadence with IronWolf on the low-end, IronWolf Pro in the middle and Exos X at the top with the highest cost per drive. Newegg had the best prices at the time of writing. We looked at Newegg and Amazon for pricing guidance. Things start to get jittery when it comes to pricing. Neither IronWolf Series has published random performance data. This model is the only one of the three with published random performance with numbers reaching up to 170 IOPS read and 440 IOPS write. The Exos X leads the sequential performance category with up to 261 MB/s. In previous reviews, we've found the base IronWolf often outperforms the IronWolf Pro in smaller deployments where the Pro's additional vibration optimization doesn't play as strong of a role. On paper, the IronWolf Pro outperforms the base IronWolf series in sequential transfers with the difference being 40 MB/s. Seagate doesn't publish every specification in public datasheets, so we had to pick and piece a chart together with the available data. The Pro model increases endurance to 300 terabytes per year, bumps the MTFB up to 1.2 million hours.
The more consumer-focused IronWolf carries a 180-terabyte write rating per year, has an MTFB of 1 million hours and a shorter warranty that will we look at further down the page. There are other differences between the IronWolf and IronWolf Pro. The advantage becomes very clear in the user experience and performance. The IronWolf Pro is the direct competitor to the Red Pro series with 7,200-RPM speed. The IronWolf base model competes head to head with Western Digital's Red (base series) that still uses the 5,900-RPM spindle speed. The 1TB to 4TB IronWolf models use 5,900-RPM platter rotation, but the 6TB and larger capacities shifted to 7,200 RPMs just like all capacities of the IronWolf Pros series. Our testing, today will show the optimizations are likely not what you think. The more drives you add to the system, or even at the rack level, the more the drive has to compensate for the vibration. The number has more to do with the amount of vibration from the disks in the NAS rather than performance. The IronWolf design supports up to eight drive bay systems, and the IronWolf Pro supports up to twenty-four (recently upgraded from sixteen). We will be starting with the IronWolf and IronWolf Pro from the Guardian Series of consumer and prosumer products. There are many data points to go over in the specifications that explain why Seagate offers three NAS-optimized models.
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