22TB LFF SAS-3 Hard Disk Drive Specification
Provides the specification for 22TB LFF (Long Form Factor) SAS-3 Hard Disk Drives.
For information on how to install a storage drive, refer to your system or drive enclosure documentation.
The Drive Bracket Assembly consists of the storage drive assembled within the bracket assembly. The Drive Bracket Assembly should not be disassembled for any reason by the user.
22TB Hard Disk Drive Specification
The following tables list 22TB SAS-3 interface Hard Disk Drive specifications.
Table - 22TB SAS 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 - 22TB SAS HDD 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 - 22TB SAS 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 - 22TB SAS 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) |