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Samsung 850 EVO 250GB 3D V-NAND SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: Dec 8, 2014 9:05 pm
TweakTown Rating: 97%Manufacturer: Samsung

Desktop Test System





Lenovo T440 - Notebook Power Testing with DEVSLP and Windows 8.1 Pro



Nearly all of the performance tests run on the desktop system, but we use a Lenovo T440 to run the power tests. The T440 is the latest addition to our client SSD test lab, and allows us to test the notebook battery life offered by a SSD with advanced features like DEVSLP enabled.



Initial Performance Evaluation - 4-Corner and then Some Tests


Sequential Read




Sequential Write




Sequential 80% Read 20% Write




Random Read




Random Write




Random 80% Read 20% Write




Our new replacement for ATTO shows us 4-corner performance, and some mixed workload results as well. We run the test long enough, and in a particular order to get a reasonable level of consumer preconditioning on the drive. In the tests, we show QD1 (green), QD4 (yellow), and QD10 (red).

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