As another example, saving a 4GB Photoshop file just 10 times a day equates to a full day’s usage, and yet your author (Lloyd) regularly saves files up to 10GB and often 5/10/20 files of size 2/4/5/6 GB each, and saves them several times typically. Since the test was run three times just for the fill-volume test alone, that equates to 120 days of usage-in one day. To put that in context, a single disktester fill-volume as shown here writes the entire drive (2000GB), and thus equates to forty (40!) days of rated use. V-NAND technology was designed to handle a 40GB per day workload, which after ten years equates to 150 Terabytes written. The Samsung 850 EVO uses 3D V-NAND flash, which is not as robust as MLC flash. Data Retentionđ year power-off once SSD reaches rated write endurance at 104☏ / 40☌.Operating Temperature: 32☏ to 158☏ / 0 to 70° C.Uncorrectable Bit Error Rate: 1 sector per 1017 bits read.Power Consumption (max): Active Reads: 3.7 W, Active Writes: 4.4 W, Idle: 0.5 W.AES 256-bit Encryption (Class 0), TCG/Opal, MS eDrive IEEE1667 (Encrypted drive).Random write: 4 KB QD32 Up to 90,000 IOPS, 4 KB QD1 Up to 40,000 IOPS.
MPG reviewed the Samsung 850 EVO 2TB 2.5" SSD in late 2015. Thanks to B&H Photo for loaning the Samsung 850 EVO 4TB SSD for testing.
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