HD Tune Pro - Sequential Performance
Version and / or Patch Used: 5.50
To get the most out of All-in-One RAID products, you need to ramp up the queue depths. In this chart, we see the sequential read performance with 64KB blocks at QD1. On the bottom of the chart is a number of similar products, and at the top are the native PCIe-based products. The HP Z-Turbo is also listed, but it's just a variant of the Samsung XP941 that was tuned by HP.
At QD1, the All-in-One RAID products are all outperformed by the native PCIe SSDs. For several years, products like the Apacer PT910 dominated the workstation market, but the newer, low-cost PCIe-based SSDs are already on the market, and they deliver better user experiences at lower power and with higher performance.
The Apacer SSD musters enough performance to compete with standard 2.5" SATA drives at low queue depths in the sequential read test.
I'm sure some will find this analysis harsh, but the PT910 has to deal with latency from two entry-level SandForce SSDs when reading and writing data. Until users push a lot of data to the device, enough to break the SATA III barrier, the PT910 will perform slower than nearly all modern 2.5" SSDs.
Here we see the PT910 256GB peaking higher than what normal 2.5" drives do in this test, but the drive is slower on average than even many value-based SSDs on the market today.
HD Tach - Sequential Write Performance after Random Writes
Version and / or Patch Used: 188.8.131.52
After a number of sequential and random writes to the Apacer Thunderbird PT910, we tested the drive with HD Tach. This test uses 128KB blocks to measure sequential data. The drive doesn't suffer from large write dips like we often see with low-cost SSDs, but the average performance isn't as high as we'd hoped to see.
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- Page 1 [Introduction & Specifications, Pricing, and Availability]
- Page 2 [Apacer Thunderbird PT910 PCIe 256GB SSD]
- Page 3 [Test System Setup and ATTO Baseline Performance]
- Page 4 [Benchmarks - Sequential Performance]
- Page 5 [Benchmarks - Anvil Storage Utilities]
- Page 6 [Benchmarks - Mixed Read / Write Workloads]
- Page 7 [PCMark 8 Consistency Test]
- Page 8 [PCMark 8 Consistency Test - Continued]
- Page 9 [Final Thoughts]
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