WD Black SN850X with Heatsink 2TB SSD Review

For the long-term performance stability test, we set the drive up to run a 20-minute 4K random test with a 30% write, 70% read split, at a Queue Depth of 256 over the entire disk. The 2TB WD Black SN850X Heatsink averaged121,411 IOPS for the test with a very good performance stability of 86%.

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