Hard drive
| Track to track seek time (read/write) |
2 ms |
| Read seek |
8.9 ms |
| Average latency |
4.2 ms |
| Hard disk average seek time |
21 ms |
| Write seek |
10.9 ms |
| Hard drive capacity |
40 GB |
| Hard drive speed |
7200 RPM |
| Hard drive interface |
Serial ATA |
| Hard drive size |
3.5 " |
| Drive device, buffer size |
2 MB |
| Hard disk number of heads |
1 |
Other features
| Hard disk transfer rate |
150 Mbit/s |
| USB powered |
N |
| Internal |
Y |
HD Caviar SE 40GB SATA150 7200rpm 2MB Buffer 3 Year Warranty 20pk bulk
WD Caviar SATA 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.
Key Features
Fast 7200 RPM, 2 MB cache buffer
SATA - up to 150 MB/s burst transfer rates.
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: 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 from extended use of a hard drive.
Data Lifeguard Tools™ are software utilities designed for WD hard drives. They work with embedded Data Lifeguard features to make hard drive installation, diagnostics and repair simple and worry-free.
Shock Guard™ instantly protects the hard drive against damage from bumps and vibrations while it's running. It gives WD Caviar drives industry-leading shock protection.
