LSI SAS 9207-8i PCIe 3.0 HBA Overview – Eight Crucial M4 SSDs Pushed to 4.1GB/s Performance

MULTI-DRIVE PERFORMANCE

Starting with 4K random reads, the results of adding seven additional drives is immediate.

The 0ctet of Crucials is able to hit 369K IOPS at QD32/QD64. That’s just about perfect scaling, merely a few thousand IOPS shy of 375K (8x the 46.9K IOPS a single M4 can do). So far, so good.

The M4s don’t quite scale perfectly with random writes at higher queue depths. Two, three, and four drives compound well, but after that, performance begins somewhat poorly.

Here are some 4K latency charts for 1, 4, and 8 drives. No surprises here.

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Bender
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Bender

Very impressive results. Nice to see the controller scales so beautifully. Was the M4 your first choice of SSD to test with? Do you think it’s a better choice for this use-case than the Vertex 4 or 830?

ppejack
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Great article. Typo though: “The 9702-8i is going into our Enterprise Test Bench for more testing,”–>”The 9207-8i is going into our Enterprise Test Bench for more testing,”

Les@TheSSDReview
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Thanks for the support and FIXED!

Megalolman
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Megalolman

Excellent performance!
I will need to build a ssd raid 0 array arround this HBA to work with my ramdisk ISOs (55Gb). What are the better drives to work with that kind of data?

Thanks in advance and great review!

Josh
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Josh

Thinking about using this in a project. How did you setup your RAID? the 9207 doesn’t support raid out of the box. Did you flash the firmware or just setup software RAID?

Fernando Martinez
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Fernando Martinez

Test it with i540 240GB!