How fast is the PM991?
NEW Samsung 3.84TB U.2 NVMe 2.5" PCIe PM983 MZQLB3T8HALS SSD MZ-QLB3T80
Memory
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Open Jan 14, 2026 - 12:01 PM
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Jan 14, 2026 - 12:01 PM
The Samsung PM991 is an NVMe PCIe Gen 3 x4 SSD with sequential read speeds of up to 3,100 MB/s and sequential write speeds of up to 1,800 MB/s, depending on the capacity. Its random read and write speeds can reach up to 350,000 IOPS and 400,000 IOPS, respectively. Actual performance may vary based on the specific model and system configuration.
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