|
Western Digital Caviar SE 320GB, 8 MB Cache, 7200 RPM
This Item is on Closeout and has a Limited Supply
Not Available in all Stores!!!
Please Call or Order Online
Item # WD3200SB
Description:
Designed and built to enterprise standards, WD RE drives provide exceptional reliability and performance in 24/7 environments.
Manufactured and optimized for enterprise applications, WD RE EIDE drives offer enterprise-specific features that make them exceptionally reliable for high-capacity nearline storage applications.
Features:
Key Features
- RAID-specific time-limited error recovery improves compatibility with RAID adapters, and prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop hard drives.
- 1 million hours MTBF meets enterprise-class reliability standards.
- Backed by an industry-leading five-year warranty.
- 8 MB cache provides a higher percentage of cache hits and significantly faster time to data than industry-standard 2 MB versions
- 1 million hours MTBF
- Server-class
- 5-year warranty
Ideal For
- Servers
- Network attached storage
- Scientific computing
- Life sciences
- Video surveillance
- Enterprise backup
- Document/image management
- Audio/video media applications
- Other demanding write-intensive applications
Technical Specifications
|
| Performance Specifications |
| Rotational Speed |
7,200 RPM (nominal) |
| Buffer Size |
8 MB |
| Average Latency |
4.20 ms (nominal) |
| Seek Times |
| Read Seek Time |
8.9 ms |
| Write Seek Time |
10.9 ms (average) |
| Track-To-Track Seek Time |
2.0 ms (average) |
| Full Stroke Seek |
21.0 ms (average) |
| Transfer Rates |
| Buffer To Disk |
61 MB/s (Sustained) |
| Buffer to Host (EIDE) |
| Mode 5 Ultra ATA |
100.0 MB/s |
| Mode 4 Ultra ATA |
66.6 MB/s |
| Mode 2 Ultra ATA |
33.3 MB/s |
| Mode 4 PIO |
16.6 MB/s |
| Mode 2 multi-word DMA |
16.6 MB/s |
| Physical Specifications |
| Formatted Capacity |
320,059 MB |
| Capacity |
320 GB |
| Interface |
EIDE 100 MB/s |
| User Sectors Per Drive |
625,142,448 |
| Physical Dimensions |
| English |
| Height |
1.028 Inches (Max) |
| Length |
5.787 Inches (Max) |
| Width |
4.00 Inches (+/- 0.010 inch) |
| Weight |
1.32 Pounds |
| Metric |
| Height |
26.1 mm (Max) |
| Length |
147 mm (Max) |
| Width |
101.6 mm |
| Weight |
0.6 kg |
| Environmental Specifications |
| Shock |
| Operating Shock (Read) |
65G, 2 ms |
| Non-operating Shock |
250G, 2 ms |
| Acoustics |
| Idle Mode |
28 dBA (average) |
| Seek Mode 0 |
33 dBA (average) |
| Seek Mode 3 |
29 dBA (average) |
| Temperature (English) |
| Operating |
41° F to 131° F |
| Non-operating |
-40° F to 149° F |
| Temperature (Metric) |
| Operating |
5° C to 55° C |
| Non-operating |
-40° C to 65° C |
| Humidity |
| Operating |
5-95% RH non-condensing |
| Non-operating |
5-95% RH non-condensing |
| Altitude (English) |
| Operating |
-1,000 feet to 10,000 feet |
| Non-operating |
-1,000 feet to 40,000 feet |
| Altitude (Metric) |
| Operating |
-305M to 3,050M |
| Non-operating |
-305M to 12,200M |
| Vibration |
| Operating |
| Linear |
20-300 Hz, 0.75G (0 to peak) |
| Random |
10-300 Hz, 0.004 g² / Hz |
| Non-operating |
| Low Frequency |
5-20 Hz, 0.195 inches (double amplitude) |
| High Frequency |
20-500 Hz, 4.0G (0 to peak) |
| Electrical Specifications |
| Current Requirements |
| 12 VDC |
| Read/Write |
450 mA |
| Idle |
430 mA |
| Standby |
20 mA |
| Sleep |
20 mA |
| 5 VDC |
| Read/Write |
800 mA |
| Idle |
730 mA |
| Standby |
270 mA |
| Sleep |
250 mA |
| Power Dissipation |
| Read/Write |
9.50 Watts |
| Idle |
8.75 Watts |
| Standby |
1.60 Watts |
| Sleep |
1.50 Watts |
|
