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Corsair Force Series LX 512GB SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: Sep 9, 2014 1:10 pm
TweakTown Rating: 85%Manufacturer: Corsair

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 10 minutes.

2. Run performance test (one pass only).

3. Repeat 1 and 2 for 8 times, and on each pass increase the duration of random writes by 5 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 1 and 2 for 5 times.

 

Recovery Phase:

1. Idle for 5 minutes.

2. Run performance test (one pass only).

3. Repeat 1 and 2 for 5 times.

 

Storage Bandwidth

 

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.

 

corsair_force_series_lx_512gb_ssd_review_64

 

Another very difficult test for SSDs is the PCMark 8 Consistency Test. SSDs perform differently based on the workload. Most potential Force Series LX users will run the drives fairly clean, mainly reading data after the initial blast of software is installed on the drive. Because of that, the orange and red bars should be considered more than the blue bar that represents a high data write environment.

 

Storage Bandwidth All Tests

 

corsair_force_series_lx_512gb_ssd_review_65

 

Here we see two distinct groups divided by performance. The top group is the high performance SSDs and the bottom group is the value based drives. The Force LX 512GB is a bit slower than the MX100 in all tests, but faster than the Samsung 840 EVO.

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