TerraMaster D2-310 Storage Enclosure (2x 2.5"/3.5" SATA to USB 3.1 Gen 2 Type C) Mini-Review
by Ganesh T S on July 5, 2017 8:45 AM EST- Posted in
- Gadgets
- DAS
- USB 3.1
- Type-C
- TerraMaster
Performance with Hard Drives
The benchmarks processed in the previous section were also run with two WD Red 8TB hard drives in the unit. Running the robocopy benchmarks segment of the AnandTech DAS Suite with hard drives attached to the storage bridge gives us the following performance numbers. The graphs show that the storage bridge is able to sustain around 350 MBps for sequential workloads when modern-day high-capacity consumer hard drives are used.
The PCMark 8 storage bench is not particularly hard drive-friendly, with the performance numbers coming in at a fraction of what one obtains with SSDs.
CrystalDiskMark workloads show that the unit sometimes struggles with high queue-depth writes. We didn't observe this with SSDs, though. Given that we have not evaluated other storage bridges with the same hard drives yet, it is not clear where the problem lies. That said, the numbers we saw in our robocopy tests (around 300 MBps in RAID 0 and 150 MBps in RAID 1) are approximately matched in some of the results below.
| Storage Bridge Benchmarks - CrystalDiskMark (with HDDs) | ||
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The active cooling ensures that the hard drives don't cross 45C even when subject to large amounts of traffic. There is no performance consistency issue.
| Storage Enclosure Thermal Characteristics | ||
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Hard drives tend to consume more power compared to SSDs, and that is evident in the power numbers for the CrystalDiskMark workloads below. The unit idles at around 10.5 W, while the maximum power draw we observed was around 18.4 W.
| Power Consumption - CrystalDiskMark Workloads | ||
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dave_the_nerd - Monday, July 17, 2017 - link
So there's a button on the back of this enclosure which, if you press it for five seconds, will reformat the hard drives as a new RAID volume? Why does that sound like a terrible idea?dave_the_nerd - Monday, July 17, 2017 - link
Benchmarks of the same drives on motherboard ports would be useful as a baseline, IMO.