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Memblaze PBlaze5 C916 and D916 Enterprise SSD Review (Page 2)

Chris Ramseyer | Jun 15, 2019 at 10:00 am CDT - 2 mins, 12 secs reading time for this page
Rating: 94%Manufacturer: Memblaze

Synthetic Performance Testing

Product Comparison

We can't fit more than a handful of comparison products in the charts and still keep them tidy and readable. We have to be selective in the process. For this review, we chose the Micron 9100 Max because its DNA leads back to Memblaze. The company also sold a similar model two generations ago. We also chose the Intel DC P4510 8TB, a very popular enterprise SSD used in many data centers today.

Sequential Read Performance

Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 100 | TweakTown.com

The C916's interface advantage shows best with sequential data at high queue depths. With our server, we achieved roughly 6,300 MB/s with peak performance coming at 32 outstanding IO (OIO). The 2.5" D916 bumped up against the interface's 3,500 MB/s ceiling at 16 OIO while reading 128KB sequential data.

Sequential Write Performance

Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 101 | TweakTown.com
Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 102 | TweakTown.com
Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 103 | TweakTown.com

In steady state, both PBlaze5 SSDs show similar sequential write performance. The only real variation we saw in this workload was at 4 OIO where the add-in card was able to use its bandwidth advantage to surpass 3,500 MB/s

Sequential Mixed Workload Performance

Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 104 | TweakTown.com
Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 105 | TweakTown.com

NVMe is a bidirectional interface, and that allows the PBlaze5 D916 to handle mixed sequential data at speeds beyond 3,500 MB/s.

The C916 shows us where it's extra interface performance becomes useful in this test. The C916 is capable of delivering the same sequential performance as the D916 from 40% writes to 100% writes. The C916 outperforms the D916 in the 100% reads to 70% reads areas.

Random Read Performance

Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 106 | TweakTown.com
Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 107 | TweakTown.com

The two PBlaze5 SSDs deliver nearly identical random read performance in our test system at all OIO. Both drives trail the Intel DC P4510 slightly until 64 OIO where the performance equals. At higher queue depths the Memblaze SSDs overtake the Intel.

Random Write Performance

Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 108 | TweakTown.com
Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 109 | TweakTown.com
Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 110 | TweakTown.com
Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 200 | TweakTown.com

The Micron 9100 Max is an older Memblaze design built for Micron. The new PBlaze5 has similar peak performance as the 9100 Max, but at lower OIO, the new design shows a significant advantage.

Random Mixed Workload Performance

Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 112 | TweakTown.com
Memblaze PBlaze5 C916 and D916 Enterprise SSD Review 113 | TweakTown.com

The PBlaze5 916 SSDs show just a modest increase over the Micron 9100 Max at 100% workloads (all reads and writes), but the real advantage comes in the middle with mixed random workloads. We rarely see mixed workloads portrayed on specification sheets, but in most cases, this is where your data lives.

Last updated: Nov 15, 2019 at 01:16 pm CST

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ABOUT THE AUTHOR - Chris Ramseyer

Chris Ramseyer started his career as a LAN Party organizer in Midwest USA. After working with several computer companies he was asked to join the team at The Adrenaline Vault by fellow Midwest LAN Party legend Sean Aikins. After a series of shake ups at AVault, Chris eventually took over as Editor-in-Chief before leaving to start Real World Entertainment. Look for Chris to bring his unique methods of testing Hard Disk Drives, Solid State Drives as well as RAID controller and NAS boxes to TweakTown as he looks to provide an accurate test bed to make your purchasing decisions easier.

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