Data Sheet

9
2.7 System Reliability
[Table 7] Telcordia SR332 issue 4 MTBF Specifications
Parameter
128GB
256GB
512GB
MTBF
3,000,000 hours
Note:
1) The calculation is based on 25°C.
[Table 8] UBER Specifications
Parameter
128GB
256GB
512GB
UBER
10
-15
Note:
1) Uncorrectable Bit Error Rate (UBER) is a metric for the rate of occurrence of data errors, equal to the number of data errors
per bits read as specified in the JESD218 document of JEDEC standard. For the client application, JEDEC recommends that UBER
shall be below 10
-15
.
[Table 9] TBW (Terabytes Written) Specifications
Parameter
128GB
256GB
512GB
TBW
270TB
540TB
1080TB
Note:
1) TBW specification follows JESD219A Client workload.
[Table 10] Drive Write Per Day (DWPD) Specifications
Parameter
128GB
256GB
512GB
DWPD
1)
2 (3 Years)
Note:
1) DWPD is based on [Table 13] Warranty year to calculate.