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QLC vs. TLC NAND: Which is best for your storage needs?

Kurt Marko, MarkoInsights, TechTarget 06 Mar 2020


QLC flash memory is best for most read-intensive workloads, while TLC is suited to write-dominant workloads. Discover how QLC vs. TLC NAND are coexisting in the data center.

According to research firm Forward Insights, fewer than 20% of SSDs sold last year were spec'd at more than one drive write per day (DWPD). By 2023, estimates are that 85% of drives sold will be the low-duration models spec'd at one or less DWPD. A DWPD measures the total amount of data written to a drive in proportion to its total capacity and is used to specify guaranteed drive endurance of five years. A 1 TB drive spec'd at one DWPD can sustain an average of 1 TB of data writes every day for five years.

https://searchstorage.techtarget.com/tip/QLC-vs-TLC-NAND-Which-is-best-for-your-storage-needs



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