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PCMark 8 provides a slightly different measurement, however, that we are terming as ‘Total Storage Latency’. This is shown below as ‘Average Latency’. Typically, latency has been addressed as the time it takes for a command to be executed, or rather, the time from when the last command completed to the time that the next command started.

Latency, at least for the purposes of PCMark 8, takes on a different outlook and for this, we will term it ‘Total Storage latency’. Bandwidth (or throughput) represents the total throughput the drive is able to sustain during the tests during each phase. In reading the results, the Degrade and Steady State phases represent heavy workload testing while the recovery phase represents typical consumer light workload testing.Īs you can see, performance is recorded in terms of Bandwidth and Latency.

CLEANUP – The entire SSD is written with zero data at a write size of 128KB.

This is repeated 5 times which accounts for garbage collection and

RECOVERY PHASE – The SSD is allowed to idle for 5 minutes before and between performance tests of all applications.

STEADY STATE PHASE – The drive is hit with random writes of between 4KB and 1MB for 45 minutes before each application is put through a performance test.

The cycle is repeated 8 times, and with each time, the duration of random writes increases by 5 minutes

DEGRADATION PHASE – The SSD is hit with random writes of between 4KB and 1MB for 10 minutes and then a single pass performance test is done of each application.

The second run accounts for overprovisioning that would have escaped the first

PRECONDITIONING -The entire SSD is filled twice sequentially with random data of a 128KB file size.

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In each phase, several performance tests are run of 10 different software programs Adobe After Effects, Illustrator, InDesign, Photoshop Heavy and Photoshop Light, Microsoft Excel, PowerPoint and Word, as well as Battlefield 3 and World of Warcraft to cover the gaming element.

There are 18 phases of testing throughout the entire run, 8 runs of the Degradation Phase, 5 runs of the Steady State Phase and 5 runs of the Recovery Phase. As this is a specialized component of PCMark 8 Professional, its final result is void of any colorful graphs or charts typical of the normal online results and deciphering the resulting excel file into an easily understood result takes several more hours. This software is the longest in our battery of tests and takes just under 18 hours per SSD. Let’s continue on to our PCMark 8 test and see how it fares.įor our last benchmark, we have decided to use PCMark 8 Extended Storage Workload in order to determine steady state throughput of the SSD. Overall, this SSD is proving to be quite competitive.

The lowest of 280MB/s was recorded during the “application loading” benchmark, which isn’t surprising when you compare this result to the AS SSD copy benchmarks from earlier. The highest transfer speed of 470MB/s was recorded during the “Windows Media Center” benchmark. It achieved a Total Score of 85,136 points. PNY’s CS2111 XLR8 did very well in our PCMark Vantage Benchmark.

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Media Center which can handle video recording, time shifting and streaming from Windows media center to an extender such as Xbox.

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Home Video editing with Movie Maker which can be very time consuming.Importing digital photos into Windows Photo Gallery.Streaming Data from storage in games such as Alan Wake which allows for massive worlds and riveting non-stop action.There are eight tests in all and the tests performed record the speed of data movement in MB/s to which they are then given a numerical score after all of the tests are complete. The SSD Review uses benchmark software called PCMark Vantage 圆4 HDD Suite to create testing scenarios that might be used in the typical user experience.