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JMicron JMF667H Firmware Preview Testing with L85A, L85C and A19 Flash

By: Chris Ramseyer | SSDs in Storage | Posted: Jun 2, 2014 2:45 am

Total Access Time


The access time test measures the total latency across all 18 tests. This is one of the most important tests we run at this time for consumer SSDs. When your latency is low, your computer feels fast; it's just that simple.




Here we see the latency test. I marked the A19 240GB drive a little differently and in yellow to show how much different that drive is compared to the others. Not only does the A19 240GB have less latency than the others, but it also delivers some of the lowest latency of all the drives compared here when in a clean state.


Disk Busy Time


In the final test, we measure the amount of time the drive worked to read and write the data to complete the test. When a drive is active, it uses more power, so the faster it can complete the tasks, the faster it can fall into a low power state.




Even though we didn't test power in this preview due to the JTAGs and limited time, I would suspect the A19 240GB model delivers longer battery life than the other three drives we tested today. The less a drive has to work, the faster it can get to a lower power state.

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