Total Access Time
The access time test measures the total latency across all 18 tests. This is one of, if not the most important test 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 tests through the different stages of wear on the drives. The 850 Pro 512GB does reasonable well here, but with just the drive, the latency is higher than the Extreme PRO.
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.
The 850 Pro disk busy time is nearly identical to the access time chart.
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- Page 1 [Introduction & Specifications, Pricing and Availability]
- Page 2 [Samsung 850 Pro 512GB SSD]
- Page 3 [Samsung Software Package]
- Page 4 [Test System Setup and ATTO Baseline Performance]
- Page 5 [Benchmarks - Sequential Performance]
- Page 6 [Benchmarks - Anvil Storage Utilities]
- Page 7 [Benchmarks - Mixed Read / Write Workloads]
- Page 8 [PCMark 8 Consistency Test]
- Page 9 [PCMark 8 Consistency Test - Continued]
- Page 10 [Benchmarks - Power Testing]
- Page 11 [Final Thoughts]