Seagate® created the SV35.2 Series™ specifically for the surveillance industry—incorporating unique features that provide a better solution than drives intended for other industries. SV35.2 Series hard drives are designed to save power and space and improve reliability in digital surveillance solutions.
| Specifications |
250 GB |
| Model Number |
ST3250820SV |
| Interface |
SATA 3.0Gb/s |
| Cache |
8 MBytes |
| Capacity |
250 GB |
| Guaranteed Sectors |
488,397,168 |
| Number of pins on the I/O connector |
22 |
| PHYSICAL |
|
| Height (max) |
26.1 mm (1.028 inches) |
| Width (max) |
101.6 mm (4.010 inches) |
| Length (max) |
146.99 mm (5.787 inches) |
| Weight (typical) |
600 grams (1.32 pounds) |
| COMPLIANCE |
|
| European Union Restriction of Hazardous Substances |
Y |
| PERFORMANCE |
|
| Spindle Speed |
7200 rpm |
| Native Command Queuing |
y |
| Sustained data transfer rate |
72 Mbytes/sec. |
| Average latency |
4.16 msec |
| Random read seek time |
17.0 msec |
| Random write seek time |
14.0 msec |
| Maximum interface transfer rate |
300 Mbytes/sec. |
| RELIABILITY |
|
| Annual Failure Rate |
0.80 % |
| Unrecoverable read errors |
1 in 10^14 |
| POWER |
|
| Average idle current |
9.30 watts |
| Average seek power |
6.5 watts |
| Standby power |
0.80 watts |
| Sleep power |
0.807 watts |
| Maximum start current, DC |
2.80 amps |
| ENVIRONMENT |
|
| Ambient Temperature |
|
| Operating |
0 to 60 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 |
0.50 Gs at22-350 Hz |
| Operating vibration |
0.25 Gs at 350-500 Hz |
| Nonoperating vibration |
5.0 Gs at 5-350 Hz |
| Nonoperating vibration |
1.0 Gs at 350-500 Hz |
| ACOUSTICS |
|
| Acoustics (Idle Volume) |
2.6 bels |
| Acoustics (Seek Volume) |
3.0 bels |
Computer IT
