The Seagate Enterprise Performance 10K v7 provides a new enterprise-class SAS 6Gb/s 10,000 RPM HDD in a slim 2.5" form factor. These seventh-generation HDDs from Seagate are geared for those with the need for a fast layer of mission-critical storage. The 10K v7 is only offered in a capacity of 1.2TB, an increase of 300GB over the previous Enterprise Performance 10K v6.
Many would be surprised to know of a challenge to current generation high-performance 2.5" HDDs in the advent of newer SSDs with larger capacities. Withstanding the onslaught of SSDs has been easy for the 2.5" 10K HDDs, as the price per GB of SSDs continues to relegate them to niche applications in the majority of datacenter applications. While the continued price advantage of HDDs keeps the SSD's at bay, any advantage in capacity can begin to tip the scales in favor of SSDs.
Enter the Seagate Enterprise Performance 10K v7. Spinning 1.2TB of storage on four glass substrate platters at 10,000 RPMs delivers performance that can handle OLTP, database, and other mission critical data in write intensive environments. The 10K v7 features the same areal density as its predecessor, the 10K v6, but adds an extra platter and two more heads (a total of eight) to deliver the bump in capacity.
Seagate has taken the approach of utilizing the 10K v7 to compliment the 10K v6 series instead of supplanting it and its smaller capacities of 900, 600, 450, and 300GB. This creates a hierarchal approach with the 10K v7 setting atop the product stack as the high capacity 10K RPM enterprise HDD offering. The 10K v6 is really an evolution of the v6 in many ways, with very few differentiating factors outside of the capacity increase and slightly higher power consumption metrics.
The sustained data rate holds steady at 204 MB/s (125-204 MB/s from inner to outer tracks) and the average latency stays at 2.9ms. Both versions feature 64MB of programmable and segmented cache. The 10K v7 allows for different modes of operation for the cache, and users have the option of enabling a prefetch feature for read-ahead caching.
The addition of the extra platter and heads affects the power consumption of the HDD, with the typical operating wattage jumping to 4.65 Watts from the 10K v6's average of 4.22 Watts. Both drives feature the SAS interface for High Availability features and robust SCSI command set functionality. Reliability remains unchanged at 2.0 million hours MTBF and an AFR of 0.44%. The 10K v7 also offers encryption standard on all models, and the optional FIPS 140-2 certified SED models.
Other notable features the 10K v7 shares with the v6 are Seagate's RAID Rebuild functionality and T-10 compliant PowerChoice technology to optimize idle power consumption. Seagate's Instant Secure Erase feature also allows for easy cleansing of the drive prior to repurposing or retirement. In dense server applications, such as high capacity racks, the addition of an extra 300GB of capacity per bay adds up quickly. This enhanced capacity allows for larger high-performance tiers in space-constrained environments.
Today we are going to place the Seagate Enterprise Performance 10K v7 against its predecessor, the Enterprise Performance 10K v6, to observe any generational differences between the two products.
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