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Seagate Enterprise Performance 15K HDD v4 450GB Enterprise Review

By: Paul Alcorn | HDDs in IT/Datacenter | Posted: Oct 21, 2014 1:03 pm
TweakTown Rating: 95%Manufacturer: Seagate

Final Thoughts




The need for nimble storage arrays with enough capacity for large datasets is increasing in the datacenter. Pairing fast drives with a small form factor and good power consumption characteristics delivers great performance at a reasonable price. The continuing focus on slimmer server form factors has given the 2.5" HDD segment a boost. The 15K HDD sector still has plenty of use in the datacenter despite continued pressure from SSD competitors, and Seagate has even broadened their line to include Turbo SSHD models (evaluated here) to boost performance.


The Enterprise Performance 15K HDD v4 is a good fit for those looking to boost application performance in blade servers, and space-constrained environments. The boost up to 600GB is a solid increase from previous-generation 15K offerings, and comes with a healthy increase in speed. Performance HDDs are increasingly used in complimentary roles to flash storage, and many caching and tiering algorithms pass sequential data down to the HDD tier. This reduces flash wear and leverages HDDs' inherently robust sequential performance.


The Enterprise Performance 15K v4 took a big lead in both sequential read and write workloads by a large margin in our testing. Incremental performance increases are expected as technology progresses from generation to generation, but the 15K v4 impressed us with a huge leap in sequential performance. The performance gains were also pronounced in mixed sequential workloads, and the 15K v4 took a commanding lead in our mixed sequential workload testing.


Random workload performance was also impressive with a continuation of the solid random read of the previous generation Savvio 15K.3, and a big jump in random write metrics. The Enterprise Performance 15K v4 regularly outpaced its competitors in both 4k and 8k random write performance, and this was very apparent in our mixed random workload testing. The 15K v4 distanced itself from the competition as we mixed in more random write activity. This enhanced random write speed also came with a big reduction in overall latency.


The 15K v4 also fared well in our server workload testing, with good performance in OLTP workloads. The write-centric email server workload was also a particular strength for the 15K v4. The only hiccup in performance came with the fileserver workload, where the previous-generation Savvio 15K.3 took a commanding lead.


The increase in capacity also came with an expected increase in active and idle power consumption. When viewed from a watts-per-GB perspective, the 15K v4 remains competitive with other high-speed offerings, and offers double the capacity with a slight 0.6 watt increase in comparison to the previous generation. The drives also offer a massive 70% reduction in power consumption as compared to 3.5" 15K HDDs.


The Enterprise Performance 15K v4 brings enhanced capacity to the 15K segment, and a spate of enterprise-class features, such as support for Protection Information, RAID Rebuild, thermal monitoring, and a two million hour MTBF. The 6Gb/s SAS connection is a good fit for the high performance segment with its high-availability features, and SED and FIPS options are available for the security conscious. The Seagate Enterprise Performance 15K HDD v4 wins the TweakTown Best Performance Award for the 2.5" 15K segment.

Product Summary Breakdown

TweakTown award
Quality, Design, Build and Warranty94%
General Features95%
Performance Consistency95%
Power Consumption and Efficiency93%
Overall TweakTown Rating95%

The Bottom Line: Seagate's Enterprise Performance 15K HDD v4 offers Seagate-standard features such as RAID Rebuild, PowerChoice Technology, Protection Information, and a robust two million hour MTBF. SED and FIPS options round out the comprehensive series.

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