Other features
| Interface type |
Serial ATA |
| Internal |
Y |
Hard drive
| Hard drive capacity |
120 GB |
| Hard drive speed |
7200 RPM |
| Track to track seek time (read/write) |
2 ms |
| Read seek |
8.9 ms |
| Average latency |
4.2 ms |
| Write seek |
10.9 ms |
| Drive ready time |
9 s |
| Full stroke seek |
21 ms |
| Hard drive interface |
Serial ATA |
| Hard drive size |
3.5 " |
| Drive device, buffer size |
8 MB |
| Bytes per sector |
512 |
| Start/stop cycles |
50000 |
Additionally
| Transfer rate (Mbps) |
972 Mbit/s |
WD1200AAJS - WD Caviar Blue SATA HD 120 GB, SATA 3 Gb/s, 8 MB Cache, 7200 RPM
With SATA and EIDE interfaces, cache sizes ranging from 2 MB to 16 MB, WD Caviar Blue drives offer a full range of performance features. Pick the drive that suits your needs with the confidence in knowing that all WD Caviar Blue drives are built to the highest standards of quality and reliability.
To make drive selection simple, we've gathered all our popular WD Caviar SE16, WD Caviar SE, and WD Caviar drives under one umbrella we call WD Caviar Blue. Built to Western Digital's awarding winning quality standards, these drives are available in a full range of performance features.
SATA - Serial ATA (SATA) hard drives are quickly becoming the new standard. Motherboard manufacturers now include SATA inputs on their boards. Because of their considerably narrower cables, SATA hard drives provide increased airflow and less clutter and in the computer system compared to EIDE drives.
We understand the importance of your data, and we are committed to protecting that data with exceptionally reliable products, advanced data protection technology and superior customer support.
Keeping the drive cool enhances reliability. WD continues to develop new and innovative ways to keep drives cool while they are operating.
Calculates optimum seek speeds to lower power consumption, noise and vibration.
We perform tests on hundreds of systems and a multitude of platforms in our FIT Lab™ and Mobile Compatibility Lab to give our customers confidence that our drives will work in their systems.
- 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.
