| Specifications |
400 GB |
| Model Number | ST3400620NS |
| Interface | SATA 3.0Gb/s |
| Cache | 16 MBytes |
| Capacity | 400 GB |
| Guaranteed Sectors | 781,422,768 |
| Number of pins on the I/O connector | 22 |
| PHYSICAL | |
|---|
| Height (max) | 26.1 mm
(1.028 inches) |
| Width (max) | 101.6 mm
(4.000 inches) |
| Length (max) | 146.99 mm
(5.787 inches) |
| Weight (typical) | 635 grams
(1.40 pounds) |
| COMPLIANCE | |
|---|
| European Union Restriction of Hazardous Substances | Y |
| PERFORMANCE | |
|---|
| Spindle Speed | 7200 rpm |
| Native Command Queuing | Y |
| Average latency | 4.16 msec |
| Random read seek time | <8.50 msec |
| Random write seek time | <10.0 msec |
| Maximum interface transfer rate | 300 Mbytes/sec. |
| RELIABILITY | |
|---|
| MTBF | 1,200,000 hours |
| Annual Failure Rate | 0.73 % |
| Unrecoverable read errors | 1 in 10^14 |
| POWER | |
|---|
| Average idle current | 9.30 watts |
| Average seek power | 12.60 watts |
| Standby power | 0.80 watts |
| Sleep power | 0.807 watts |
| Maximum start current, DC | 2.80 amps |
| ENVIRONMENT | |
|---|
| Ambient Temperature | |
|---|
| Operating | 5
to 55
degrees C |
| Nonoperating | -40
to 70
degrees C |
| Maximum operating temperature change | 20 degrees C per hour |
| Maximum nonoperating temperature change | 30 degrees C per hour |
| Maximum operating case temperature | 69 degrees C |
| Relative Humidity | |
|---|
| Operating | 5
to 90
% |
| Nonoperating | 5
to 95
% |
| Maximum allowable humidity change | 30 % per hour |
| Altitude | |
|---|
| Operating altitude (min) | -60.96 meters
(-200 feet)
|
| Operating altitude (max) | 3,048 meters
(10,000 feet)
|
| Nonoperating altitude (min) | -60.96 meters
(-200 feet)
|
| Nonoperating altitude (max) | 12,192 meters
(40,000 feet)
|
| Shock | |
|---|
| Operating Shock (max) | 63 Gs
at 2 msec
|
| Nonoperating Shock (max) | 300 Gs
at 2 msec
|
| Vibration | |
|---|
| Operating vibration | 0.25 Gs at 5-22 Hz |
| Operating vibration | 0.50 Gs at 22-350 Hz |
| Operating vibration | 0.25 Gs at 350-500 Hz |
| Nonoperating vibration | 0.25 Gs at 5-22 Hz |
| Nonoperating vibration | 5.0 Gs at 22-350 Hz |
| Nonoperating vibration | 1.0 Gs at 350-500 Hz |
| ACOUSTICS | |
|---|
| Acoustics (Idle Volume) | 2.5 bels |
| Acoustics (Seek Volume) | 3.2 bels |
 "ST3400620NS SATA Hard Drive Photo"){kind=small}
 "ST3400620NS SATA Hard Drive Photo"){kind=small}
 "ST3400620NS SATA Hard Drive Photo"){kind=small}
 "ST3400620NS SATA Hard Drive Photo"){kind=small}
