Three PCI Express-Based SSDs: When SATA 6 Gb/s Is Too Slow
When it comes time to hunt down the ultimate in storage performance, you simply cannot settle for standard SSDs. Instead, look to PCI Express-based drives that circumvent the limitations of SATA. We have products from Fusion-io, LSI, and OCZ on the bench.
Compression Test: Fusion-io ioDrive And ioXtreme
The following tests show performance levels if the data you're writing is not compressable.
Fusion-io ioDrive Unused
The freshly-reset and sanitized Fusion-io ioDrive delivers more than 700 MB/s reads and writes in a fresh state.
Fusion-io ioDrive Used
This also applies to the drive in a used condition. There is a performance drop below 700 MB/s, but it never dips under 600 MB/s, even if the data cannot be compressed very well. These are great results.
Fusion-io ioXtreme Unused
As the ioXtreme utilizes MLC flash memory instead of SLC NAND flash; it does not deliver the same impressive write performance as the ioDrive. However, reads are equally great for non-compressible data. Let’s look at the performance in a used state.
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Fusion-io ioXtreme Used
Once again, Fusion-io maintains its performance level. Whether or not the used data can be compressed is irrelevant for these products.
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