How many writes per day are SAS Flash 3 drives rated at?

SAS Flash 3 drives(also known asRead-Intensive (RI)SSDs in Dell Unity XT environments) are typically rated at3 Drive Writes Per Day (DWPD).

✅What does 3 DWPD mean?

It means that these drives are designed to safely handle writingthree times their entire capacity every dayover their warranty period (usually 5 years).

For example, a 1TB SAS Flash 3 drive can handle up to3TB of writes per daywithout exceeding its endurance specification.

✅Why is this important?

The DWPD metric is a crucial factor in determining whether a drive’s endurance matches the expected workload.

3 DWPDstrikes a balance betweenenduranceandcostin most general-purpose storage workloads.

✅Where is this documented?

TheDell EMC Unity XT Best Practices Guideand theDell EMC Unity XT Drive Specification Guidedetail the DWPD ratings for different flash drive types, including SAS Flash 3 drives.

Dell’s documentation confirms that SAS Flash 3 drives (RI SSDs) are rated at3 DWPD.