22TB Hard Disk Drive Specification
This section provides the specification for 22TB Hard Disk Drives.
The following tables list 22TB Hard Disk Drive (HDD) specifications.
Table B-20 22TB HDD Power Requirements
| Condition | +5 VDC (+/-5%) | +12 VDC (+/-5%) |
|---|---|---|
| Motor start (Surge current 20 sec) Amp. peak | 0.94 A | 2.00 A |
| Idle power (Average) | 0.41 A | 0.33 A |
| 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) |
| Power On to Ready | 25 sec (typical) |
| Spin down | 30 sec (typical) |