Table B-20 (Cont.) 22TB HDD Power Requirements
Condition +5 VDC (+/-5%) +12 VDC (+/-5%)
Maximum peak operational power 1.09 A 2.00 A (10.0 W max
workload)
Table B-21 22TB HDD Drive Physical Characteristics
Attribute Value
Height 26.1 mm, 1.03 in.
Width 101.6 +/-0.25 mm, 4.00 +/-0.006 in.
Depth 147 mm, 5.787 +/-0.006 in.
Weight Up to 0.670 kg, 23.6336 oz
Table B-22 22TB HDD Drive Usage
Usage Description
Useful life 5 years Minimum
Expected annualized failure rate (AFR)
for normal 24/7 operating conditions
0.35%
Operating temperature (Case) 0 to 50 degrees Celsius
Note - Derating of AFR applies above 40 degrees Celsius.
Maximum temperature 60 degrees Celsius (maximum sustained temperature)
Note - Drive may be rendered unusable above 65 degrees
Celsius.
Other environmental factors Conforms to IEC standards
Table B-23 22TB HDD Drive Capacity and Performance
Attribute Value
Capacity, formatted 22,000,969,973,760 bytes (512 bytes per sector)
Average latency 4.16 msec (7,200 rpm)
Seek times (read/write) Typical
Single track seek 0.25/0.35 msec
Average seek 6.79/7.82 msec
Maximum seek 13.63/14.68 msec
Random 2 KB reads per sec Typical
Queue=1, 100% Volume (RR) 87 IOPS
Queue=32, 100% Volume (RR) 210 IOPS
HDA data transfer rate Typical
Sustained sequential read 257 MiB/s (OD) / 151 MiB/s (ID)
Interface data transfer rate 12 Gbps/6 Gbps/3 Gbps/1.5 Gbps (auto negotiation, dual
port, full duplex) SAS-3
Maximum instantaneous data transfer
rate
1200 Mbytes per sec (12 Gbps mode)
Appendix B
22TB Hard Disk Drive Specification
B-13
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