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Plextor M6e Black Edition 512GB PCIe SSD Review

By: Chris Ramseyer | PCIe in Storage | Posted: Jan 30, 2015 9:07 pm
TweakTown Rating: 93%Manufacturer: Plextor

Futuremark PCMark 8 Extended - Consistency Test

 

Version and / or Patch Used: 2.0.228

 

Heavy Usage Model:

 

Futuremark's PCMark 8 allows us to wear the test drive down to a reasonable consumer steady state, and then watch the drive recover on its own through garbage collection. To do that, the drive gets pushed down to steady state with random writes, and then idle time between a number of tests allows the drive to recover.

 

Precondition Phase:

1. Write to the drive sequentially through up to the reported capacity with random data.

2. Write the drive through a second time (to take care of overprovisioning).

 

Degradation Phase:

1. Run writes of random size between 8*512 and 2048*512 bytes on random offsets for ten minutes.

2. Run performance test (one pass only).

3. Repeat one and two, eight times, and on each pass, increase the duration of random writes by five minutes.

 

Steady state Phase:

1. Run writes of random size between 8*512 and 2048*512 bytes on random offsets for 50 minutes.

2. Run performance test (one pass only).

3. Repeat one and two, five times.

 

Recovery Phase:

1. Idle for five minutes.

2. Run performance test (one pass only).

3. Repeat one and two, five times.

 

PCMark 8's Consistency test provides a ton of data output that we use to judge a drive's performance. Here we see the three states of performance for the select SSDs, light use, consumer steady state, and worst case.

 

Storage Bandwidth - All Tests

 

plextor-m6e-black-edition-512gb-pcie-ssd-review_64

 

Here we get our first taste of PlexTurbo 2.0. The black line represents the Plextor M6e Black Edition, and the red line represents the M6e Black Edition with PlexTurbo 2.0 enabled. The results show PlexTurbo doesn't increase performance under heavy workloads, even in a system that allows for 4GB of system DRAM to work as a cache for the SSD. The drive needs to recover from strenuous use before PlexTurbo actually increases performance.

 

Storage Bandwidth - Heavy Load

 

plextor-m6e-black-edition-512gb-pcie-ssd-review_65

Under heavy use, the M6e Black Edition is mildly faster than the original M6e SSD, but is still not in the same league as the Samsung XP941.

 

 

Storage Bandwidth - Typical Consumer Load

 

plextor-m6e-black-edition-512gb-pcie-ssd-review_66

 

Even with PlexTurbo enabled, the M6e Black Edition trails behind the XP941 drives in all capacities. We also observed the original M6e (with the launch firmware) is actually faster than the new Black Edition under consumer workloads.

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