Our custom power testing samples each drive for a period of three minutes, across each workload. In order to offer more granularity, we sample the power in one-second intervals.
Looking at our consumer workload, the 4TB SSHD carried a low-end power consumption of 5.5 watts, while peaking at 6.8 watts. This is on par with the Desktop HDD within sequential loads, and just 0.3 ways higher during random workloads. The 2TB SSHD uses much more power due to its spindle speed being quicker.
SSDs have reached their peak in popularity, with nearly every system now shipping or being built with them. Mechanical hard drives still hold the position of capacity, and while SSDs attempt to close this gap with emerging technologies like TLC and 3D NAND, drives like the SSHD from Seagate offer a bridge between high capacity and high performance solutions.
In testing, we found the 4TB SSHD to scale quite well in random read operations, while random write carried a burst of performance followed by linear results around 330 IOPS. Sequential read performance was a bit of a misnomer for both the 2TB and 4TB SSHDs as it reached only 55 MB/s. Write performance on the other hand was chart topping at 177 MB/s, beating out the 2TB solution by 20 MB/s.
Workload testing was up and down for the 4TB SSHD, as the database workload presented a challenge for the SSHD. However, throughout the rest of workload testing, the 4TB SSHD was at the top of the charts and cemented itself as a great workstation solution reaching 202 IOPS at QD32. Power testing revealed the 4TB SSHD used a just a touch more power than the standard solution in random read and write, while sequential workloads had each of the drives within 0.14 watt of each other.
PRICING: You can find the Seagate 4TB SSHD SATA 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST4000DX001) for sale below. The prices listed are valid at the time of writing, but can change at any time. Click the link to see the very latest pricing for the best deal.
Product Summary Breakdown
|Quality including Design and Build||89%|
|Bundle and Packaging||85%|
|Value for Money||86%|
|Overall TweakTown Rating||87%|
The Bottom Line: The 4TB SSHD from Seagate is an excellent solution for those wanting capacity at a solid price point without sacrificing too much in terms of performance.
- Page 1 [Introduction & Specifications, Pricing and Availability]
- Page 2 [Drive Details]
- Page 3 [Benchmarks - Test System Setup and ATTO Benchmarks]
- Page 4 [Benchmarks - 4K Random Performance & Latency]
- Page 5 [Benchmarks - Sequential Performance & Latency]
- Page 6 [Benchmarks - Workloads]
- Page 7 [Power Consumption and Final Thoughts]
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