WD Caviar EIDE hard drives are designed for mainstream desktop personal computers. They feature a fast 7200 RPM spindle speed, a 2 MB cache buffer, and up to 250 GB of storage. WD Caviar drives are built to the highest standards of quality and reliability by people who understand the importance of your data.
Features:
- Fast 7200 RPM, 2 MB cache buffer
- EIDE (Ultra ATA/100) - Up to 100 MB/s burst transfer rates.
- Quiet - Fluid Dynamic Bearing (FDB) technology - Less friction means more reliability; less heat, vibration, and noise.
Ideal For:
- Mainstream computer users who want a high-value, entry-level hard drive. Users seeking higher performance should consider WD Caviar SE or WD Caviar SE16 hard drives.
- How this WD hard drive protects your data
- Data Lifeguard is an exclusive set of data protection features, including shock protection, an environmental protection system and real-time embedded error detection and repair. WD's Data Lifeguard technology automatically finds, isolates, and repairs problems that may develop over the life of a hard drive.
- Data Lifeguard Tools are software utilities designed for WD hard drives that work with the embedded Data Lifeguard features to make hard drive installation,diagnostics and repair both simple and worry-free. (Download Data Lifeguard Tools)
- ShockGuard instantaneously protects the hard drive against damage from bumps and vibrations while it is running. This technology enables WD Caviar drives to achieve industry-leading shock specifications.
Specifications:
| Performance Specifications |
| Rotational Speed | 7,200 RPM (nominal) |
| Buffer Size | 2 MB |
| Average Latency | 4.20 ms (nominal) |
| Start/Stop Cycles | 50,000 minimum |
|
| 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 |
| Transfer Rate (Buffer To Disk) | 420 Mbits/s (Max) |
|
| Buffer to Host (EIDE) |
| Mode 5 Ultra ATA | 100 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 | 80,026 MB |
| Capacity | 80 GB |
| Interface | EIDE 100 MB/s |
| User Sectors Per Drive | 156,301,488 |
|
| |
| 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 | 0.60 kg |
|
| |
| Environmental Specifications |
| Shock |
| Operating Shock (Read) | 65G, 2 ms |
| Non-operating Shock | 350G, 2 ms |
|
| Acoustics |
| Idle Mode | 30 dBA (average) |
| Seek Mode 0 | 32 dBA (average) |
| Seek Mode 3 | 31 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 | 5-85% 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 | 5-500 Hz, 0.25 G (0 to peak) |
| Random | 10-300 Hz, 0.004 g? / 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 | 350 mA |
| Idle | 330 mA |
| Standby | 19 mA |
| Sleep | 19 mA |
|
| 5 VDC |
| Read/Write | 800 mA |
| Idle | 675 mA |
| Standby | 200 mA |
| Sleep | 50 mA |
|
| Power Dissipation |
| Read/Write | 8.00 Watts |
| Idle | 7.25 Watts |
| Standby | 1.20 Watts |
| Sleep | 0.50 Watts |
